Why SS Pipe Buyers in Saudi Arabia Choose pipingmaterial.sa Every Time?
ASTM & ASME Certified SS Pipes
A312 • A213 • A269 • A358 Seamless Stainless Pipes
Austenitic & Duplex SS Grades
304 • 316L • 321 • 347 • 904L • 2205 • 2507 Available
Saudi Aramco Approved Origin
Sandvik • Outokumpu • Nippon Steel • ArcelorMittal Mills
Hydrostatic & PMI Tested
UT • ET • PMI • IGC Test Per ASTM A312 & ASME SA312
EN 10204 3.2 MTC Available
Full Heat Traceability • Chemical • Mechanical Test Reports
Ex-Stock Saudi Arabia Delivery
Dammam • Jubail • Riyadh • Jeddah Same-Week Dispatch
Stainless Steel Pipe Abstract
  • Standards: ASTM A312, ASTM A213, ASTM A269, ASME SA312, EN 10216-5, DIN 17456
  • Size Range: 1/8" NPS to 24" NPS
  • Wall Thickness: Sch 5S, 10S, 40S, 80S, 160S as per ASME B36.19
  • Length: Single Random , Double Random , Fixed Cut
  • Grades: TP304, TP304L, TP316, TP316L, TP321, TP347, 904L, 2205 Duplex, 2507 Super Duplex
  • Tensile Strength: 485 MPa to 690 MPa depending on grade
  • Operating Temp: −196°C to +800°C (grade dependent)
  • End Finish: Plain End , Bevelled End, Threaded End
  • Surface Finish: 2B, No.4, BA, Pickled & Passivated, Electro-Polished
  • MTC: EN 10204 3.1 / 3.2 with Third-Party Inspection Available
  • PMI Testing: Available Per Customer Request
  • HSN Code: 73041110
Stainless Steel Pipe

Connect Directly with Stainless Steel Pipe Suppliers in Saudi Arabia

Aramco Approved Stainless Steel Seamless Pipes suppliers in Saudi Arabia

pipingmaterial.sa Links Project Engineers Directly To Trusted Stainless Steel Seamless Pipe Suppliers in Saudi Arabia Eliminating Intermediaries And Hidden Markups. Maintain Immediate Access To All Stainless Grades With Complete 3.1/3.2 Documentation, Pmi Testing, And Mill Test Certificates. Whether Your Requirement is Corrugated Stainless Steel Pipe For Flexible Runs, Or Sch 40s Stainless Pipe For Process Lines, Submit One Inquiry And Receive Competitive Quotes From Aramco-approved Stockists With Same-week Delivery From Dammam, Jubail, And Jeddah.pipingmaterial.sa connects Saudi industrial buyers directly to verified suppliers who keep real stock in hand. No middleman, no commission, no login needed. Just tell us what you need. Our team identifies 5-10 actual stockists. You get competing quotes with delivery dates, direct contact via email/ phone/WhatsApp, and the best deal.26 years sourcing industrial materials. Save your time. Save your money.

About This Guide

✎ Updated: June 16, 2026

Written by pipingmaterial.sa Expert Team: 26 years sourcing stainless steel pipes for Saudi oil & gas refineries

✓ 800+ seamless pipe installations in Aramco facilities, SABIC petrochemical plants & offshore platforms

✓ Direct access to verified suppliers holding Sandvik, Vallourec & Tenaris stainless inventory in KSA

Aramco Approved Suppliers SABIC Certified SEC Listed

Featured Product Categories

01. Seamless Pipe

Comprehensive Piping Solutions

Explore our complete range of seamless pipes designed for diverse industrial applications. From water transmission to high-pressure systems, our seamless pipes deliver reliability and performance you can trust.

  • All Grades Available
  • Multiple Sizes
  • ISO Certified
  • Fast Delivery
Explore All Products →

02. Stainless Steel Tube

Premium Quality Tubes

Premium stainless steel tubes engineered for superior corrosion resistance and durability. Perfect for pharmaceutical, food processing, and high-temperature applications requiring the highest standards.

Learn More →
Stock & Supply :
Riyadh Yanbu Al Khobar Madinah Dammam Tabuk Al Jubail Dhahran Rabigh NEOM Region Jeddah Ras Al-Khair
Certifications :
ASME SA312 PMI Tested ASTM A312 Ex-Stock Saudi Arabia SABIC Approved EN 10216-5 Saudi Aramco Approved MTC EN 10204 3.1 / 3.2

SS Seamless Pipe Specification

Every Inquiry On pipingmaterial.sa Goes Directly To Multiple Verified Stainless Steel Seamless Pipe Stockists in Saudi Arabia: Complete Technical Support From Inquiry To Delivery.

SS Seamless Pipe Size Range
  • NPS 1/8" to 24"
  • OD: 6.35mm to 609.6mm
  • Wall: Sch 5S / 10S / 40S / 80S / 160S
  • Length: SRL, DRL, Fixed Cut to 12m
Austenitic SS Pipe Grades
Pipe Stainless Delivery Condition
  • Annealed, Hardened,
  • Stress Relieved
  • Formed, Cold Drawn
  • Tempered
SS Pipe Special Grades
SS Flexible Pipe Origin
  • American
  • European
  • Japanese
  • Korean, Indian
Stainless Steel Exhaust Pipe Testing
  • Hydrostatic Test Per ASTM A312
  • PMI Test
  • IGC Test Per ASTM A262 Practice E
  • MTC EN 10204 3.1 & 3.2 Available

ASTM A312 Stainless Steel Pipe ready stock in Dammam with MTC EN 10204 Type 3.1

Types of Stainless Steel Seamless Pipe by Application

Stainless Steel Seamless Pipes are Manufactured and Classified By End-use Application, Surface Condition, and Forming Method. Refer The Common Types Supplied To Saudi Arabian Projects Below.

SS Hose Pipe
SS Hose Pipe
Stainless Steel Exhaust Pipe
Stainless Steel Exhaust Pipe
Corrugated Stainless Steel Pipe
Corrugated SS Pipe
Stainless Steel Flexible Pipe
Stainless Steel Flexible Pipe
Stainless Steel Water Pipe
Stainless Steel Water Pipe
Stainless Steel Threaded Pipe
Stainless Steel Threaded Pipe
Discover Our ASTM A312 SS Seamless Pipe Inventory in Africa
🌎 Countries South Africa  Nigeria  Ghana  Kenya  Cameroon  Gabon  Ivory Coast  Sudan  Niger  Rwanda  Togo  Benin  Congo  Chad  Equatorial Guinea  Republic of the Congo  West Africa
South Africa
Johannesburg
South Africa
Kenya
Nairobi
Kenya
Nigeria
Lagos
Nigeria
South Africa
Cape Town
South Africa
Ethiopia
Addis Ababa
Ethiopia
Nigeria
Abuja
Nigeria
South Africa
Durban
South Africa
Nigeria
Ogun
Nigeria

Which Grade to Choose SS 304 vs SS 316L?

Selecting Between SS 304 And SS 316l Stainless Pipe Depends Primarily On Chloride Exposure, Operating Temperature, and Corrosion Resistance Required For Your Application in Saudi Arabia.

SS 304 Seamless Pipe

  • Chromium 18% and Nickel 8% st
  • Excellent general-purpose corrosion resistance
  • Suitable for food processing, and water service
  • Not recommended for chloride-rich or marine environments
  • Available in sch 10S, 40S & 80S seamless profiles
  • Tensile strength 485 MPa minimum per ASTM A312
  • Most economical grade for stainless pipe applications

SS 316L Seamless Pipe

  • Chromium 16-18%, Nickel 10-14%, Molybdenum 2-3%
  • superior pitting resistance
  • Preferred for offshore, and chemical service
  • prevents sensitization after welding
  • Widely used in stainless steel vent pipe and process lines
  • Tensile strength 485 MPa minimum
  • extended service life in harsh environments

Get EPC Approved Stainless Steel Flex Pipe Stockists in Riyadh Who Supply With Custom Schedule and Sizes

SS Seamless Pipe Schedule Chart

Stainless Steel Seamless Pipe Schedules Follow ASME B36.19m. Wall Thicknesses Below Are In Millimetres.

SizeSCH 80SCH 160SCH 40SCH 5SCH 10
1/8″✔-✔✔✔
1/4″✔-✔✔✔
3/8″✔-✔✔✔
3/4″✔✔✔✔✔
2″✔✔✔✔✔
6″✔-✔✔✔
1″✔✔✔✔✔
1/2″✔✔✔✔✔
2 1/2″✔✔✔✔✔
5″✔-✔✔✔
1 1/2″✔✔✔✔✔
3″✔✔✔✔✔
1 1/4″✔✔✔✔✔
4″✔✔✔✔✔

Need SS Seamless Pipe in Stock? Request Grade, Size & Availability Now

Access ex-stock stainless steel seamless pipe in TP304, TP316L, TP321 with same-week dispatch from Saudi Arabia. Forward your NPS, schedule, grade, and quantity to contact@pipingmaterial.sa and receive a verified quote with MTC confirmation within 24 hours.

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SS Pipe Standard Size Chart

Stainless Steel Seamless Pipe is Manufactured As Per Special Order. Common Stocked Sizes From Stainless Steel Seamless Pipe Suppliers in Saudi Arabia Are Listed Below

OD (mm)WT (mm)in.Kg/m
21.342.111/21.02
13.723.021/40.81
26.672.113/41.30
17.153.203/81.12
21.343.731/21.65
88.907.62315.51
33.402.7712.13
26.673.913/42.23
42.164.851¼4.53
88.903.0536.56
48.262.771½3.16
60.333.9125.52
73.035.162½8.77
73.037.012½11.59
88.905.49311.47
88.9011.13321.67
60.338.74211.29
101.605.743½13.78
168.2814.27654.75
141.309.53531.44
114.303.0548.50
168.283.4614.04

Stainless Steel Exhaust Pipe & Flex Pipe Guide

Stainless Steel Exhaust Pipe and Stainless Steel Flexible Exhaust Pipe Are Widely Specified Across Automotive, Generator, and Industrial Exhaust Systems. Find SS Pipe Suppliers in Saudi Arabia Who Offer All Grades

Stainless Steel Exhaust Pipe Grades
TP304 SS Exhaust Pipe Up to 870 °C intermittent
TP321 SS Exhaust Pipe Ti-stabilised, sustained high-temp
TP409 SS Exhaust Ferritic, cost-effective automotive
4-inch SS Exhaust Pipe Heavy trucks & generator sets
SS Flexible Exhaust Pipe Types
Stainless Steel Flex Pipe
  • Corrugated inner liner with SS braid outer
  • Absorbs vibration and misalignment
  • Standard for automotive and generator exhaust
Annular SS Flexible Pipe
  • Higher flexibility than helical type
  • Lower pressure capacity
  • Preferred for complex routing applications
Helical SS Hose Pipe
  • Higher pressure rating than annular type
  • Reduced flexibility for straight runs
  • Used in high-pressure industrial exhaust
SS Flexible Exhaust Pipe - Range
  • Available DN25 to DN200 diameter
  • NPT or flanged end connections
  • Stocked ex-KSA for rapid despatch

Get Dealers and Distributors of ASTM A312 SS Seamless Pipe in Saudi Arabia

Find Most Genuine Stainless Steel Pipe Suppliers in Saudi Arabia here, Get Quote

  • Saudi Stainless Steel Co., Jubail
  • Al Yamamah Steel Industries, Riyadh
  • Rajhi Steel Industries, Dammam
  • National Metal Manufacturing Co., Jeddah
  • Gulf Stainless Steel Trading, Al Khobar
  • Arabian Pipes Company, Jubail Industrial City
Offer PMI Tested Corrugated Stainless Steel Pipe Online For Natural Gas and LPG Distribution

Corrugated Stainless Steel Pipe Applications

Corrugated Stainless Steel Pipe is a Flexible Gas Distribution Piping System. It Is Extensively Used In Residential and Commercial Gas Supply Installations Across Saudi Arabia.

Where Corrugated SS Pipe is Used?
  • In residential buildings natural gas and LPG distribution
  • gas appliances and rigid piping
  • in seismic zones earthquake-resistant gas piping
  • Industrial plant gas supply
  • District cooling and chilled water flexible connections
CSST Key Specifications
  • Material: SS 304 or SS 316L
  • Jacket: Yellow PE or HDPE
  • Size Range: DN15 to DN50 standard; up to DN100 available
  • Pressure Rating: Up to 30 bar
  • Standard: ANSI LC-1 / CSA 6.26 / ISO 15493

Stainless Steel Seamless Pipe Delivery Locations We Serve Regularly

Middle East Regular Delivery Locations
UAE
UAE
Saudi Arabia
Saudi Arabia
Iraq
Iraq
Oman
Oman
Qatar
Qatar
Turkey
Turkey
Lebanon
Lebanon
Jordan
Jordan
Also covers Yemen • Syria • Kuwait • Bahrain on request
MENA Countries
Morocco
Morocco
Casablanca
Egypt
Egypt
Cairo
Libya
Libya
Tripoli
Algeria
Algeria
Algiers
SCZone
SCZone
Suez Canal
Tunisia
Tunisia
Tunis
North Africa & Levant — regular sea freight schedules
GCC Countries
Kuwait
Kuwait
Bahrain
Bahrain
Qatar
Qatar
UAE
UAE
Saudi Arabia
Saudi Arabia
Oman
Oman
All 6 GCC member states covered — ex-stock & indent supply

Seamless vs Welded Stainless Steel Pipe

Understanding The Difference Between Seamless and Welded Stainless Pipe is Critical For Correct Specification. Both Manufactured Through Entirely Different Processes

Seamless SS Pipe

  • Produced by piercing a solid billet
  • Uniform wall thickness and grain structure
  • Preferred for high-pressure, high-temperature
  • Required by Saudi Aramco for critical process lines above Class 600
  • Available in sch 40S, 80S, 160S and XXS profiles
  • Higher material cost than welded equivalent
  • TP304, TP316L, TP321, duplex grades produced seamless

Welded SS Pipe

  • Formed from flat strip or plate rolled
  • Weld seam inspected by radiography or ultrasonic testing
  • Economical choice for low-pressure utility
  • Available in larger diameters more readily
  • Suitable for stainless steel water pipe and vent pipe
  • Lower cost than seamless
  • Stainless steel threaded pipe commonly supplied in welded form

Stainless Steel Seamless Pipe Schedule 40 Temperature Ratings

Allowable Operating Temperature and Pressure For Stainless Steel Seamless Pipe Varies By Grade, Wall Thickness, and Applicable Design Code.

Austenitic SS Pipe - Temperature Limits
Austenitic
−196 °C Minimum (cryogenic service)
+870 °C Maximum (continuous service)
  • General corrosion & cryogenic service
  • L-grade preferred for welded assemblies
Austenitic
−196 °C Minimum (cryogenic service)
+870 °C Maximum · better creep above 500 °C
  • Mo addition improves pitting resistance
  • Preferred for chloride & acid environments
Ti-Stabilised
−196 °C Minimum (cryogenic service)
+900 °C Maximum - best for exhaust & superheater
  • Titanium stabilised; resists sensitisation
  • Ideal for exhaust and superheater service
Nb-Stabilised
−196 °C Minimum (cryogenic service)
+900 °C Maximum - sustained high-temp service
  • Niobium stabilised for sustained creep
  • Excellent for refinery & power generation
High-Alloy Austenitic
−196 °C Minimum (cryogenic capable)
+400 °C Maximum - optimised for acid service
  • Optimised for sulphuric & phosphoric acid service
  • High nickel & molybdenum content

SS Pipe Wall Thickness Calculator

Use The Interactive Calculator Below To Estimate Minimum Required Wall Thickness For A Stainless Steel Seamless Pipe Under Internal Pressure Per Asme B31.3.

Pipe OD (mm) 114.3 mm
Design Pressure (bar) 100 bar
Cross-section: Outer Wall (blue) / Inner Bore (white)
Min. Wall Thickness
-
Recommended WT (+12.5%)
-
Est. Weight/m (kg)
-

SS Seamless Pipe Weight Chart

The Weight Per Metre For Stainless Steel Seamless Pipe is Calculated Using The Formula: W = 0.02466 × Wt × (Od − Wt).

NPSODWall ThicknessWeightWeight
-inmminmmkg/MtrLb/ft
1″1.315330.1333.3782.5011.679
0.1794.5473.3252.172
1/2″0.840210.1092.7691.2680.851
0.1473.7341.6211.088
2″2.375600.1543.9125.4413.653
0.2185.5377.4805.022
1 1/4″1.660420.1403.5563.3852.273
0.1914.8514.4642.997
1 1/2″1.900480.1453.6834.0482.718
0.2005.0805.4093.361
2 1/2″2.875730.2035.5168.6295.793
0.2767.01011.4117.661
3/4″1.050270.1132.8701.6841.131
0.1543.9122.1951.474
3″3.500890.2165.48611.2847.576
0.3007.62015.27210.253
6″6.6251680.1884.77519.25212.924
0.2807.11258.26318.974
0.3127.92531.33421.036
0.2035.51620.73913.923
0.50012.70048.71932.708
4″4.5001140.2376.02016.07310.790
0.3378.56022.31814.983
8″8.6252190.1884.77525.23316.940
0.2506.35033.30822.361
0.2195.56329.28619.661
0.40610.31253.08535.638
0.3228.17942.35228.554
0.3759.52549.21633.041

Request SS Pipe Price List for Saudi Arabia Projects - Aramco, SABIC & EPC Approved

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Stainless Steel Pipe Approved Suppliers

Find Saudi Aramco, SABIC, ADNOC, and QatarEnergy Approved Stainless Steel Seamless Pipe Suppliers On Pipingmaterial.sa With Full Mill Documentation, EN 10204 3.1/3.2 MTC, and Third-party Inspection Reports Available For All Grades.

Saudi Aramco Approved Suppliers

  • Nippon Steel Corporation, Japan
  • JFE Steel Corporation, Japan
  • Sumitomo Metal Industries, Japan
  • Salzgitter Mannesmann, Germany
  • Vallourec, France
  • Sandvik Materials Technology, Sweden

ADNOC Approved Suppliers

  • Ratnamani Metals & Tubes, India
  • Jindal SAW Limited, India
  • Maharashtra Seamless, India
  • Tenaris, Argentina
  • ISMT Limited, India
  • Tubacex, Spain
  • Benteler Steel, Germany

SABIC Approved Suppliers

  • Vallourec & Mannesmann, Germany
  • ArcelorMittal, Luxembourg
  • Tubos Reunidos, Spain
  • Outokumpu Stainless, Finland
  • Allegheny Technologies (ATI), USA
  • Acerinox, Spain

QatarEnergy Approved Suppliers

  • Nippon Steel Corporation, Japan
  • JFE Steel Corporation, Japan
  • Sumitomo Metal Industries, Japan
  • Vallourec, France
  • Sandvik Materials Technology, Sweden
  • Salzgitter Mannesmann, Germany

Stainless Pipe Testing Method

Stainless Steel Seamless Pipe Supplied For Saudi Aramco and SABIC Projects Must Comply With Stringent Testing Requirements.

Test TypeStandard or Method
Hydrostatic Pressure TestASTM A312 Para 14
PMI - Positive Material IdentificationXRF or OES method
Intergranular CorrosionASTM A262 Practice E
Ultrasonic TestingASTM E213 / ASME SA312
Eddy Current TestingASTM E309
Transverse Tensile TestASTM A312
Flattening TestASTM A312 Para 11

Corrosion Resistance of SS Pipe

Corrosion Mechanisms in SS Pipe

Pitting Corrosion

PREN value predicts resistance, higher PREN means better pitting resistance.

PREN Dependent

Crevice Corrosion

Lower oxygen concentration in confined spaces accelerates attack significantly.

Geometry Risk

Stress Corrosion Cracking

Duplex grades are far more resistant due to their two-phase microstructure.

Above 60 °C Risk
Grade Selection by Corrosion Risk
Low Chloride < 200 ppm
Risk Level
Low
Recommended Grades
Application
Adequate for most general process lines
Typical Service
Utilities, cooling water, mild chemical lines
Grade Family
Austenitic
Moderate Chloride 200 - 1000 ppm
Risk Level
Moderate
Minimum Grade
Aggressive Conditions
Consider 317L or 904L for elevated temp or acid presence
Typical Service
Process water, brackish cooling, mild brine
Grade Family
Austenitic
High Chloride > 1000 ppm
Risk Level
High
Mandatory Grades
Seawater Injection
2507 Super Duplex mandatory for injection lines
Typical Service
Produced water, brine disposal, chemical dosing
Grade Family
Duplex

Standard TP304 and TP316 austenitic grades are not suitable for raw seawater or high-chloride service above 60°C. Incorrect grade selection will result in rapid pitting failure. Always verify PREN value

Weekly Stainless Steel Seamless Pipe Shipment to Europe
Netherlands
Netherlands
Amsterdam
France
France
Paris
Azerbaijan
Azerbaijan
Baku
Belgium
Belgium
Brussels
Georgia
Georgia
Tbilisi
Italy
Italy
Rome
Armenia
Armenia
Yerevan
Germany
Germany
Berlin
Andorra
Andorra
Andorra la Vella

Which SS Seamless Pipe Grades Are Used For Food & Pharmaceutical Industry?

Stainless Steel Seamless Pipe Used in Food Processing, Dairy, Beverage, and Pharmaceutical Plants in Saudi Arabia Must Meet Specific Hygienic Standards For Surface Finish, Weld Quality, and Chemical Cleanliness

Required Grades
TP316L - Preferred Hygienic Grade
Food & Beverage
Preferred over TP304 for hygienic service
  • Molybdenum content resists product contamination
  • Lower corrosion risk than TP304
  • Suitable for direct food and beverage contact lines
Hygienic Grade
Low Sulphur Content Required
Material Specification
< 0.015%
Maximum sulphur for hygienic pipe
  • Ensures superior electro-polishing performance
  • Produces cleaner, more consistent weld quality
  • Reduces inclusion density that can harbour bacteria
S < 0.015%
ASTM A270 - Sanitary Standard
Applicable Standard
A270
Specific standard for sanitary SS tubes & pipes
  • Governs seamless and welded sanitary tubing
  • Mandates internal surface finish
  • For dairy service Required by 3-A Sanitary Standards
ASTM A270
Grade Verified
TP316L + ASTM A270
The combination of TP316L grade, sulphur content below 0.015%, and ASTM A270 specification is the industry baseline for all food, dairy, beverage, and pharmaceutical hygienic pipe systems in Saudi Arabia and internationally.
Surface Finish Requirements
Ra 0.8 µm 32 µin
Application
Food-Grade Pipe
Standard
3-A Sanitary Standard
Method
Mechanical polish - internal bore
Typical Service
Food processing, dairy, general beverage lines
Finish Level
Food Grade
No. 4 Brushed External
Application
Food & Beverage Pipe
Surface
External face only
Method
Directional abrasive polish - 120-180 grit
Typical Service
Visible pipework in breweries, dairies, kitchens
Finish Level
Industry Standard
Electro-Polished (EP) Highest Grade
Application
Ultra-Hygienic / Pharma
Benefit
Eliminates microscopic crevices that harbour bacteria
Method
Electrochemical removal of surface micro-peaks
Typical Service
WFI systems, clean steam, injectable drug manufacture
Finish Level
EP Certified

All hygienic SS seamless pipe supplied for food and pharmaceutical service should include material test reports, surface roughness certificates , and weld inspection records per ASTM A270

Discover SABIC Approved SS Hose Pipe As Per International Standards, Refer Chemical Composition

International Equivalent Grades for Stainless Steel Pipe

Projects in Saudi Arabia regularly source SS seamless pipe from European, Japanese, and Indian mills. The cross-reference table below maps ASTM grades to EN, DIN, JIS, and BS equivalents

SS GradeAFNORBSGOSTUNSWERKSTOFF NR.JISEN
316Z7CND17‐11‐02316S31 / 316S33-S316001.4401 / 1.4436SUS 316X5CrNiMo17-12-2 /
X3CrNiMo17-13-3
317---S317001.4449SUS 317X5CrNiMo1713
316H-316S51-S31609---
304Z7CN18‐09304S3108Х18Н10S304001.4301SUS 304X5CrNi18-10
304H–––S304091.4301––
304LZ3CN18‐103304S1103Х18Н11S304031.4306 / 1.4307SUS 304LX2CrNi18-9 / X2CrNi19-11
316LZ3CND17‐11‐02 / Z3CND18‐14‐03316S11 / 316S1303Ch17N14M3 / 03Ch17N14M2S316031.4404 / 1.4435SUS 316LX2CrNiMo17-12-2 /
X2CrNiMo18-14-3
310–310S2420Ch25N20S2S310001.4841SUS 310X15CrNi25-20
904LZ2 NCDU 25-20904S13STS 317J5LN089041.4539SUS 904LX1NiCrMoCu25-20-5
310S–310S1620Ch23N18S310081.4845SUS 310SX8CrNi25-21
317L---S317031.4438SUS 317LX2CrNiMo18-15-4
321---S321001.4541SUS 321X6CrNiTi18-10
347---S347001.4550SUS 347X6CrNiNb18-10
321H---S321091.4878SUS 321HX12CrNiTi18-9
410S---S410081.4516SUS410SX6CrNiTi12
347H---S347091.4961SUS 347HX6CrNiNb18-12
409---S409001.4512SUS409X2CrTi12

Stainless Steel Vent Pipe Chemical Composition

SS GradesChromiumManganeseSiliconPhosphorusCarbonSulfurNickelOther
32117-202030.750.040.480.039-13Ti 5XC-0.60
34717-202000.750.040.080.037-13Cb + Ta 10 XC-1
316H16-18I 20.7500400_04 0.100.03011-14Mo2-3
316L16-1820.750.040.0350.0310-15Mo 2-3
31718-2020.750.040.080.0311-14Mo 3-4
41612-141.2510.0660.150.15
31616-1820.750.0400080.03011- 4Mo2- 3
31024-2620.750.040.150.0319-22
30418-2020.0750.040.080.038-11
304H18-2020.750.040.04 0.10.038-11
304L18-2020.750.040.0350.038-13

Mechanical Properties Of Stainless Steel Threaded Pipe

SS GradeElongationTensileRockwell HardnessYield
3174590,000RB8540,000
3104595,000RB8545,000
304H5585,000RB8035,000
304L55
20
80000
105000
RB75
RB95
30000
75000
32155
20
90,000
105000
RB80
RB95
35000
75000
316H5085000RB8035000
3165085000RB8035000
316L5080000RB7530000
30455
20
85000
105000
RB80
RB95
35000
75000
3475095,000RB8540,000
4162075,000RB9535,000

Stainless Steel Water Pipe Uses

Stainless steel water pipe installations are growing rapidly across Saudi Arabia as construction specifications increasingly mandate SS for potable water, chilled water, and mechanical ventilation system

SS Water Pipe Applications
Potable Water Distribution
Hospitals, Hotels & Residential
Desalination Product Water Lines
TP304 / TP316L Press-Fit Systems
Chilled & Hot Water HVAC Recirculation
Underground Water Supply Pipe
Pickled & Passivated for Buried Service
SS Hose Pipe for Flexible Connections
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SS Pipe Grade Selection by Chloride Content in Saudi Arabia

Saudi Arabian Buyer Want to Know Which Stainless Steel Pipe Grade Should I Specify For A Given Chloride Level? This Visual Guide Maps Directly To The Correct SS Seamless Pipe Grade.

Chloride (ppm)
Recommended Grade
Corrosion Resistance (PREN)
Typical Saudi Use
< 200
PREN 18-24
Food processing, utility water
200-1,000
PREN 24-29
Cooling water, process lines
1,000-5,000
PREN 35-38
Offshore injection, sour service
> 5,000 (Seawater)
PREN 40-45+
Seawater injection, desalination

Stainless Steel Seamless Pipe Procurement Lead Times in Saudi Arabia

Saudi Arabia-based Buyers Planning Project Schedules For Stainless Steel Seamless Pipe Need Accurate Lead Time Forecasts By Grade and Size. This Interactive Planner Illustrates Typical Ex-stock Vs Mill-order Timelines.

Pipe Size (NPS) 3"
Quantity (tonnes) 10 MT
✓ TP304L / TP316L Ex-Stock KSA
3-5 days
⏰ 2205 Duplex - Mill Order
6-8 weeks
⏰ 904L / 2507 - Mill Order
8-12 weeks
↻ MTC & PMI Preparation
+2-3 days

ⓘ Lead times are indicative averages for Saudi Arabia ex-stock and European mill origin. Actual times vary by grade, wall thickness, and current mill loading.

Surface Finish Impact on SS Pipe Corrosion Performance

Saudi Arabia Buyers Of Stainless Steel Pipe For Desalination, Pharmaceutical, and Offshore Service Frequently Ask How Surface Finish Affects Corrosion Life. This Graphical Comparison Maps Finish Type To Ra Value

2B Mill Finish
Ra: 0.1-0.5 μm. Smooth, slightly reflective cold-rolled finish produced as standard on SS seamless pipe. Most economical and widely available ex-stock in Saudi Arabia.
General Purpose
No.4 Brushed Finish
Ra: 0.2-0.8 μm. Directional polish applied to external surface. Standard for food-grade and dairy stainless pipe. Reduces surface irregularities that trap bacteria.
Food & Dairy
Pickled & Passivated
Ra: similar to 2B. Chemical pickling removes heat tint and weld scale; passivation restores the chromium oxide layer.
Chemical / Offshore
Electro-Polished
Ra: 0.1-0.4 μm or better. Electrochemical process that removes surface micro-peaks, producing an ultra-smooth bore.
Pharma / Biotech
BA
Ra: <0.1 μm. Annealed in controlled hydrogen or nitrogen atmosphere, producing a mirror-bright, oxide-free surface. Used for high-purity gas and semiconductor applications.
High Purity Gas
Sand-Blasted
Ra: 1.5-6.0 μm. Abrasive blasting used to clean scale and improve coating adhesion before painting or thermal spray coating.
Structural / Buried

Buying Tips For ASTM A312 SS Seamless Pipe in KSA

Mill Test Certificate

Request EN 10204 3.2 MTC from your stockist. Cross-check the heat number against the pipe marking

PMI Testing

Demand PMI test confirmation before dispatch

PREN Value Check

Confirm the PREN value for duplex or high-alloy SS pipe before ordering

Schedule Designation

Sch 40S (ASME B36.19) has thinner walls than Sch 40 (B36.10) for most sizes

Pickle & Passivation

Include pickle-and-passivation in your purchase order

IGC Test Certificate

Request an intergranular corrosion (IGC) test certificate when ordering for high-temperature welded service.

Recent Stainless Steel Pipe Supply Projects Worldwide

Pipingmaterial.sa Has Supplied ASTM A312 Stainless Steel Seamless Pipe To Major Oil & Gas, Petrochemical, Desalination, And Power Projects Across Saudi Arabia

Desalination Plant Process Pipe
SS Seamless Pipe, SCH 40S
2" to 8" NPS, Pickled & Passivated · Saudi Water Authority - SWCC Standards
Jubail Industrial City, Saudi Arabia
Offshore Gas Platform Piping
Stainless Steel Exhaust Pipe, 1" to 6" NPS
NACE MR0175 Compliant · Saudi Aramco Approved Origin - Sumitomo Japan
Ras Tanura Offshore, Saudi Arabia
Refinery Process Lines - Hydrocracker
Stainless Steel Flex Pipe · OD 114.3mm × WT 8.56mm, HT Marked
Kuwait National Petroleum Co. (KNPC)
Mina Al-Ahmadi, Kuwait
LNG Plant Cryogenic Piping
Corrugated Stainless Steel Pipe, Impact Tested −196°C · 4" to 12" NPS SCH 80S
PWHT Certified · QatarEnergy LNG Train Expansion Project
Ras Laffan Industrial City, Qatar
Petrochemical Acid Service Piping
Flexible Stainless Pipe · 2" to 10" NPS, Electro-Polished Internal Bore
ADNOC Ruwais Refinery Expansion
Ruwais Industrial Complex, Abu Dhabi, UAE
Pharmaceutical Plant Hygienic Piping
Stainless Steel Water Pipe, Ra 0.4 µm EP · S < 0.015%, ASME BPE & FDA Compliant
SABIC Life Sciences - Riyadh Project
Riyadh Industrial Zone, Saudi Arabia

Where is SS Seamless Pipe Stocked in Saudi Arabia?

Stainless Steel Seamless Pipe For Saudi Arabian Oil, Gas, and Construction Projects is Warehoused At Industrial Hubs Across The Kingdom. Key Stockholding Cities Are Listed Below.

  • Al Jubail Industrial City : Petrochemical & SABIC-approved SS pipe
  • Dammam Port Area: Major import hub for European & Asian mill SS pipe
  • Al Khobar : Distribution centre for Aramco Eastern Province projects
  • Riyadh Second Industrial City:Water treatment & construction SS pipe
  • Jeddah Islamic Port : MENA distribution for SS pipe to GCC markets
  • Yanbu Industrial City : Refinery & petrochemical project SS pipe hub

Frequently Asked Questions

SMLS pipe is designation for seamless pipe. An SS seamless pipe is manufactured without a weld seam by hot or cold piercing a solid stainless steel billet
Sch 40S is a wall-thickness designation under ASME B36.19M, which governs stainless steel pipe dimensions.
For seawater injection service in Saudi Arabian offshore and onshore fields, 2507 super duplex stainless steel pipe is the preferred grade due to its PREN value above 40
PMI testing for SS seamless pipe verifies that the delivered pipe matches the specified grade by analysing its elemental composition using XRF or OES
Stainless steel seamless pipe is supplied in three standard length categories per ASTM A312: Single Random Length (SRL) ranging from 16 to 25 feet, Double Random Length from 25 to 40 feet and Fixed Cut Lengths to customer-specified dimensions

Send Your SS Seamless Pipe Specification via Email and Place Your Order Today

Get fast, verified responses from stainless steel pipe stockists in saudi arabia. Email your SS seamless pipe specification: grade, NPS, schedule, length, quantity, and project delivery location to contact@pipingmaterial.sa and receive competitive quotes with MTC, PMI confirmation, and ex-stock availability within 24 hours.

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