Why Choose pipingmaterial.sa for Alloy Steel Plates in Saudi Arabia
Aramco and ADNOC
Approved Vendor Status
EN 10204 3.1 MTC
TPI • NACE MR0175
2-Day Delivery KSA
From UAE Ex-Stock
Verified Ex-Stock
Dammam • Jubail • Riyadh
Multiple Quotes
No Commission • No Login
Cut to Size and MTC
Thickness 1–300 mm

Get Quote From ADNOC Approved 4130 Plate Suppliers in Saudi Arabia With MTC

Finding verified alloy steel plate suppliers in Saudi Arabia just got easier. PipingMaterial.sa connects you directly with trusted stockists, manufacturers, and distributors, All are ADNOC and Saudi Aramco approved. Get up to 10 competitive quotes, complete with Mill Test Certificates, delivery timelines, and direct supplier contacts.

Alloy Steel Plate Snapshot
  • Standard: ASTM A387, ASME SA387, ASTM A514, EN 10028
  • Common Grades: 4130, 4140, 4340, 6150, A387 Gr.11, Gr.22, Gr.91
  • Thickness Range: 1 mm to 300 mm
  • Width: 1000 mm to 4050 mm
  • Length: 2000 mm to 15000 mm
  • Finish: Hot Rolled , Cold Rolled , Quenched and Tempered
  • Surface: Mill scale, Pickled, Shot blast, Embossed, Brush finish
  • Origin: Japan, Korea, Europe, India, USA, China
  • MTC: EN 10204 3.1 / 3.2, NABL Lab Reports, TPI Available
  • Approvals: ADNOC, Saudi Aramco, SABIC, SABIC, PDO, KNPC
  • Company Regustration Details: VAT No: 312456767500003 | Al Khobar, Saudi Arabia
  • RFQ: contact@pipingmaterial.sa
Alloy Steel Plate
Supplied To:
Tabuk Dhahran Rabigh Sudair Madinah Dammam Al Jubail Riyadh Jeddah Yanbu Al Khobar Ras Al-Khair
Provide:
Saudi Aramco Approved ADNOC Approved SABIC Approved PDO and EDO Approved KNPC Approved EN 10204 3.1 MTC

Buy Cut to Length Chromoly Sheet Metal in Various Grades As Per ASTM A387, Refer Specification

Technical Specification of Alloy Steel Plate

Plate Sizes
Alloy Plate Sizes
  • Diameter: 900 to 2400 mm
  • Length: 3000 to 12000 mm
  • Custom Size Available
Sheet Sizes
Alloy Steel Sheet Sizes
  • Width:900 to 2400 mm
  • Thickness: 0.02 to 4.0 mm
  • Length:3000 to 12000 mm
Coil Sizes
Low Alloy Steel Coil Sizes
  • Diameter: 610-2000 mm
  • Length: Custom
  • Cut to Size
Strip Sizes
Chromoly Strip Sizes
  • Length: Custom
  • Size: 4mm to 3000mm
  • Cut to Length
Origin
4140 Steel Sheet Origin
  • Japanese, European
  • American, Korean
  • Indian
Welding
4340 Steel Plate Welding
  • GMAW, SAW
  • PLASMA
  • GTAW
Services
4130 Chromoly Plate Services
  • Blanking
  • Slitting
  • Polishing, Bending
Testing
Alloy Steel Sheet Testing
  • Chemical, Mechanical test
  • Third party inspection test
  • Visual inspection test
Finish
Low Alloy Steel Sheet Finish
  • Sandblasted
  • Glossy
  • Brushed, Mirror
Hardness
4140 Steel Sheet Hardness
  • Half Hard, Soft
  • Hard
  • Quarter
Process
Chromoly Sheet Metal Process
  • Cold Rolled
  • Forged
  • Hot Rolled
Types
Alloy Steel Plate Types
  • Sheet, Foil
  • Coil
  • Strip

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Types of Chromoly Sheet Metal Available in Stock

Buy Various Types of Plates from Alloy Steel Plate Stockists in Saudi Arabia

Alloy Sheet
Alloy Sheet
Alloy Steel Sheet Metal
Alloy Steel Sheet Metal
Low Alloy Steel Plate
Low Alloy Steel Plate
Chromoly Coil
Chromoly Coil
4130 Chromoly Strip
4130 Chromoly Strip
4140 Steel Perforated Sheet
4140 Steel Perforated Sheet
Alloy Foil
Alloy Foil
Alloy Steel Hot Rolled Plate
Alloy Steel Hot Rolled Plate
Low Alloy Steel Cold Rolled Plate
Low Alloy Steel Cold Rolled Plate

Alloy Steel Grades & Specifications

Low Alloy Steel Plates

  • ASTM A387 Grade 5, 9, 11, 12, 22, 91
  • Chrome-Moly (Cr-Mo) plates for pressure vessels
  • Used in boilers, reactors and heat exchangers
  • 4130, 4140 alloy steel plates
  • ASTM A514

High Alloy and Special Grades

  • 4340 Steel Plate
  • 6150 Alloy Steel Sheet
  • 4140 HT (Heat Treated) Plate
  • Chromoly Plate (Cr-Mo) for structural use
  • Cold Rolled Alloy Steel Sheet

Chemical Composition Alloy Steel Plate

GradeCrSiSMoCPMnV
Gr. 20.50-0.800.15-0.400.0250.45-0.600.05-0.210.0250.55-0.80-
Gr. 54.00-6.000.50.0250.45-0.650.150.0250.30-0.60-
Gr. 98.00-10.001.00 0.025 0.90-1.10 0.150.025 0.30-0.600.04 
Gr. 111.00-1.500.50-0.800.025 0.45-0.650.05-0.170.025 0.40-0.65-
Gr. 120.80-1.15 0.15-0.400.025 0.45-0.600.05-0.170.025 0.40-0.65-
Gr. 212.75-3.250.50.0250.90-1.100.05-0.150.0250.30-0.60-
Gr. 21L2.75-3.250.50.0250.90-1.100.100.0250.30-0.60-
Gr. 222.00-2.500.50.025 0.90-1.10 0.05-0.150.025 0.30-0.60-
Gr. 22L2.00-2.500.50 0.025 0.90-1.100.10.025 0.30-0.60-
Gr. 91*8.00-9.500.20-0.500.010 0.85-1.050.08-0.12 0.0200.30-0.60 0.18-0.25

Low Alloy Steel Sheet Mechanical Properties

Class 1 GradesYield (MPa)Tensile (MPa)Elong. (50mm)Reduc'n of Area*
2, 12230 min380 - 55022% min-
11240 min415 - 58522% min-
22, 21, 5, 9205 min415 - 58518% min40% min
21L, 22L 205 min415 - 58518% min40% min
Class 2 GradesYield (MPa)Tensile (MPa)Elong. (50 mm)Reduc'n of Area*
 2310 min485 - 62022% min-
11310 min515 - 69022% min -
12275 min450 - 58522% min-
22, 21, 5, 9310 min515 - 69018% min40% min
91415 min585 - 76018% min-

ADNOC, Saudi Aramco, SABIC and GCC Approved Alloy Steel Plate Suppliers

Saudi Aramco Approved Alloy Steel Sheet Stockists

  • Nippon Steel Corporation - Japan
  • JFE Steel Corporation - Japan
  • POSCO - South Korea
  • thyssenkrupp Steel Europe - Germany

ADNOC Approved Alloy Steel Sheet Stockists

  • Tata Steel - India
  • Jindal Steel & Power -India
  • Nippon Steel Corporation - Tokyo, Japan
  • JFE Steel Corporation - Tokyo, Japan

SABIC Approved Alloy Steel Plates Suppliers

  • Nippon Steel Corporation - Tokyo, Japan
  • JFE Steel Corporation - Tokyo, Japan
  • POSCO - Pohang, South Korea
  • Baoshan Iron & Steel Co. (Baosteel) - Shanghai, China

GCC Approved Alloy Steel Plates Suppliers

  • Nippon Steel Corporation - Tokyo, Japan
  • JFE Steel Corporation - Tokyo, Japan
  • POSCO - Pohang, South Korea
  • Hyundai Steel - Incheon, South Korea

Dimensional Tolerances of 4340 Steel Plate

Dimensional tolerances per ASTM A20 applicable to ASTM A387 and A514 alloy plates.

Nominal Thickness ( strip) /mmThickness Rolerance / at the following widths
1500~2000>750~1000600~750>1000~1500>2300~2700>2000~2300>2700~3000
>2.00~2.20±0.18±0.16±0.15±0.17
>2.50~3.00±0.20±0.18±0.17±0.19±0.23
>2.20~2.50±0.19±0.17±0.16±0.18
>3.00~3.50±0.22±0.19±0.18±0.20±0.26
>4.00~5.50+0.20 , -0.40+0.15 , -0.30+0.10 , -0.30+0.10 , -0.40+0.25 , -0.40
>3.50~4.00±0.26±0.22±0.21±0.24±0.30
>5.50~7.50+0.20 , -0.50+0.10 , -0.50+0.10 , -0.40+0.10 , -0.50+0.25 , -0.60
>10.0~13.0+0.30 , -0.70+0.10 , -0.70+0.10 , -0.70+0.20 , -0.70+0.35 , -0.70
>0.50~0.60±0.06±0.06
>0.35~0.50±0.05±0.05
>0.60~0.75±0.07±0.07
>0.90~1.10±0.09±0.09
>0.75~0.90±0.08±0.08
>1.10~1.20±0.11±0.10±0.11
>1.30~1.40±0.12±0.11±0.12
>1.20~1.30±0.12±0.11±0.12
>1.40~1.60±0.13±0.12±0.13
>1.80~2.00±0.17±0.15±0.14±0.16
>1.60~1.80±0.14±0.13±0.14
>7.50~10.0+0.20 , -0.70+0.10 , -0.70+0.10 , -0.70+0.20 , -0.70+0.25 , -0.70

4130 Plate Thickness Chart Thickness Chart

Dimension Thickness is in inches
0.025"4"0.75"
0.032"3.5"0.875"
0.036"0.109"1"
0.095"0.5"3"
0.063"0.19"1.5"
0.04"0.125"1.125"
0.05"0.16"1.25"
0.09"0.375"2.5"
0.071"0.25"1.75"
0.08"0.3125"2"
Discover Our Ready Inventory in Africa
🌎 Countries Nigeria  South Africa  Kenya  Congo  Chad  Togo  Benin  Gabon  Rwanda  Ivory Coast  Ghana  Niger  Cameroon  Equatorial Guinea  Sudan  West Africa  Republic of the Congo
Nigeria
Lagos
Nigeria
Nigeria
Abuja
Nigeria
Ogun Nigeria
Ogun
Nigeria
South Africa
Johannesburg
South Africa
South Africa
Cape Town
South Africa
South Africa
Durban
South Africa
Kenya
Nairobi
Kenya
Ethiopia
Addis Ababa
Ethiopia

Low Alloy Steel Sheet Weight Chart in kg/m²

Weight calculated using density of alloy steel = 7.85 g/cm³ (7850 kg/m³). Formula: Weight (kg) = Thickness (mm) × Width (m) × Length (m) × 7.85

Plates Thickness (mm)Weight (kg/m2)
2.015.7
1.612.6
323.6
2.519.6
3.225.1
539.3
431.4
647.1
1078.5
862.8
12.598.1
20157
15118
22.5177
30236
25196
32251
40314
35275
45353
55432
50393
60471
70550
65510
75589
90707
80628
100785
120942
110864
1501178
1301051
1601256
2001570
1801413
2501963

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Alloy Steel Sheet American and European Standards

Alloy Steel Sheet American and European Standards
  • ASTM A387
  • ASME SA387
  • A516 Grade 70
  • A514 / A517
  • A387 Grade 11/22
  • AR400 / AR500
  • AH36 / DH36
  • BS 1501: 620B, 621B, 622B
  • EN 13CrMo45, 10CrMo010

HSN Code of Alloy Steel Plate

HSN CodeDescription
7308909060mmx40mmx5mm Thk Non AS Plate
72107000iron or non- alloy Flat- rolled products of a width of 600 mm

List of Locations Where We Have Frequent Deliveries

Middle East Regular Delivery Locations
Saudi Arabia
Saudi Arabia
UAE
UAE
Qatar
Qatar
Oman
Oman
Jordan
Jordan
Lebanon
Lebanon
Iraq
Iraq
Turkey
Turkey
Also covers Syria • Yemen • Iraq • Turkey on request
GCC Countries
Saudi Arabia
Saudi Arabia
UAE
UAE
Qatar
Qatar
Kuwait
Kuwait
Oman
Oman
Bahrain
Bahrain
All 6 GCC member states covered — ex-stock & indent supply
MENA Countries
Egypt
Egypt
Cairo
Morocco
Morocco
Casablanca
Algeria
Algeria
Algiers
Tunisia
Tunisia
Tunis
Libya
Libya
Tripoli
SCZone
SCZone
Suez Canal
North Africa & Levant — regular sea freight schedules
Find Embossed and Brush Finish 4140 HT Plate Ready Stocks in Dammam Ideal For Construction of Bridges

Applications of Alloy Steel Plate in Saudi Arabia

Oil and Gas
Petrochemical
Pressure Vessels
Bridge Construction
Boilers and Heat Exchangers
Power Plants
Desalination Plants
Mining and Earth Moving
Heavy Machinery
Offshore Structures
Construction and Infrastructure
Aerospace and Defense
Discover Wide Range Of 4340 Steel Plate Online in Hot and Cold Rolled Form With Complete Documentation

4340 Steel Plate Documentations

Get connected with Trusted Alloy Steel Plate Suppliers in Saudi Arabia who supply third-party inspection reports

  • Quality Assurance Plan (QAP)
  • Certificate of Origin
  • Fumigation Certificates
  • Raw Material Test Reports
  • Material Traceability Records
  • Heat Treatment Charts
  • Material Test Certificates (MTC)
  • Test Certificates certifying NACE MR0103, NACE MR0175

Quality Control Tests for Alloy Steel Plate

Chemical Analysis

Spectroscopic heat analysis per ASTM A387 / A514.

Tensile Testing

Yield strength, tensile strength and elongation per ASTM A370.

Impact (CVN) Test

Charpy V-Notch impact at specified temperature.

Hardness Test

Brinell (BHN) or Rockwell hardness per ASTM E10 / E18.

Ultrasonic Testing (UT)

100% UT per ASTM A435 or A578 for internal defect detection.

EN 10204 3.1 MTC

Material Test Certificate issued by manufacturer, verified by authorized inspector.

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Naypyidaw

Alloy Steel Plate Price and Delivery to Saudi Arabia

Indicative Price Range

  • 4130 Alloy Steel Sheet (3–12 mm): ~SAR 12–22 / kg
  • 4140 HT Plate (10–50 mm): ~SAR 14–26 / kg
  • 4340 Steel Plate (25–100 mm): ~SAR 16–30 / kg
  • ASTM A387 Gr.11 (6–50 mm): ~SAR 10–18 / kg
  • ASTM A387 Gr.22 (6–100 mm): ~SAR 12–22 / kg
  • Chromoly Wear Plate: ~SAR 18–35 / kg

Stock and Supply Highlights

  • Ex-stock in UAE - 2–3 day delivery KSA
  • Dammam and Al Jubail local ex-stock available
  • European origin
  • Japan origin
  • India origin
  • Weekly shipments to Dammam and Jubail port

Transit and Delivery of Alloy Steel Plate to Saudi Arabia

Origin CountryDestination PortSea Freight (Days)Air Freight (Days)
🇦🇪 UAE (Ex-Stock)Dammam / Jubail1–2 Days (Truck)Same Day
🇮🇳 IndiaDammam Port10–14 Days1–2 Days
🇰🇷 South KoreaDammam Port18–22 Days2–3 Days
🇯🇵 JapanDammam Port18–24 Days2–3 Days
🇩🇪 Germany / EuropeDammam Port22–28 Days2–3 Days
🇨🇳 ChinaDammam Port20–26 Days3–4 Days
🇺🇸 USADammam Port38–45 Days4–5 Days
Fast-track option: Alloy steel plates available from UAE Jebel Ali ex-stock with truck delivery to Dammam and Al Khobar within 1–2 days.

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Alloy Steel Plate Projects in Saudi Arabia

Alloy steel plates supplied to verified industrial projects across Saudi Arabia, UAE and the GCC region through the pipingmaterial.sa stockist network.

Petrochemical Reactor
Alloy steel plate (50 mm thickness)
Sipchem–LyondellBasell Petrochemical Complex
Saudi Arabia
Bridge Construction
4140 heat treated alloy steel plate (25 mm, brush finish)
Rambungan Bridge
Malaysia
Oil Refinery Upgrade
Cold rolled 4130 chromoly sheet metal (6 mm and 10 mm)
Sipchem–LyondellBasell Petrochemical Complex
South Africa
Power Plant
Low Alloy Steel Plates (40 mm thick)
Natref Modernization & Reliability Projects
Italy
Mining Equipment
Hot rolled AISI 4340 alloy steel plate (32 mm)
Sipchem–LyondellBasell Petrochemical Complex
Germany
Offshore Platform
Embossed alloy steel wear plate
Masirah Offshore Exploration Area
Oman

What is the Difference Between 4130, 4140 and 4340 Alloy Steel Plate?

SAE 4130
Carbon Content
0.28 – 0.33%
Chromium
0.80 – 1.10%
Molybdenum
0.15 – 0.25%
Nickel
Not Present
Tensile Strength
670 – 910 MPa
Weldability
Excellent
Best For
Aerospace tubing, structural frames, hydraulic lines
SAE 4340 HIGH STRENGTH
Carbon Content
0.38 – 0.43%
Chromium
0.70 – 0.90%
Molybdenum
0.20 – 0.30%
Nickel
1.65 – 2.00% ✓
Tensile Strength
1080 – 1280 MPa
Weldability
Difficult (high preheat)
Best For
Aircraft landing gear, crankshafts, heavy-duty axles
Weekly Shipment to Europe
Germany
Germany
Berlin
Belgium
Belgium
Brussels
France
France
Paris
Italy
Italy
Rome
Andorra
Andorra
Andorra la Vella
Azerbaijan
Azerbaijan
Baku
Armenia
Armenia
Yerevan
Georgia
Georgia
Tbilisi
Netherlands
Netherlands
Amsterdam

Low Alloy Steel Plates Gauge Chart

Gauge NumberSize InchesSize MM
8.16444.175
7.17934.554
10.13453.416
9.14953.797
11.11963.038
14.07471.897
12.10462.656
16.05981.518
20.0359.911
18.04781.214
22.0299.759
26.0179.454
24.0239.607
28.0149.378

Which Alloy Steel Plate Grades Are Used in Saudi Arabia's Oil and Gas Sector?

🔵 Grade 2 (½Cr–½Mo)
Lowest Cr-Mo content.
⚙️ Grade 5 (5Cr–½Mo)
5% Chromium provides good oxidation and corrosion resistance.
🟢 Grade 9 (9Cr–1Mo)
High Cr content offers excellent resistance.
✅ Grade 11 (1¼Cr–½Mo)
One of the most common A387 grades globally.
🟡 Grade 12 (1Cr–½Mo)
Intermediate between Gr 11 and Gr 22.
🔴 Grade 22 (2¼Cr–1Mo)
Most widely used A387 grade in the oil and gas sector worldwide.

4340 Steel Plate Surface Finish

Width (max mm)Thickness (mm)Plate Surface finish
20320.4-8.02E - Cold rolled, heat treated, mechanically descaled plate
15240.5-4.0Polished, brushed plate
20320.25-8.02B - Cold rolled, heat treated, pickled, skin passed plate
15240.25-3.52R - Cold rolled, bright annealed plate
15240.4-6.352H - Work hardened plate
15240.4-6.352D - Cold rolled, heat treated, pickled plate

Tips on Choosing and Ordering the Right Alloy Steel Plate from Trusted Stockists

6 Key Selection Criteria
🌡️

Operating Temperature

Design Pressure / Stress

🔧

Weldability Requirements

📏

Thickness & Tolerances

📋

Required Certifications

💰

Cost vs. Performance

Alloy Steel Plate Equivalent

Genuine Alloy Steel Plate Suppliers in Saudi Arabia , offering a wide range of products designed to meet international standards

GradesUNS NOGermanKorean/ Japanese
DIN TypeDIN NumberMaterial NOKS/JIS SymbolKS/JIS Number
Grade 5 Class 1K4154512Cr Mo 19 5-1.7362SCMV6/SCMV603543/G4109
Class 2-12Cr Mo 19 5-1.7362--
Grade 11 Class 1K11789---SCMV3/SCMV303543/G4109
Class 2------
Grade 12 Class 1K1175713CrMo 44171551.7335SCMV2/SCMV203543/G4109
Class 2-13CrMo 44171551.7335--
Grade 21 Class 1K31545---SCMV5/SCMV503543/G4109
Class 2------
Grade 22 Class 1K2159010CrMo 9 10-1.7380SCMV4/SCMV403543/G4109
Class 2-10CrMo 9 10-1.7380--

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