- Pipe Size:Seamless Pipe: 6 - 630 mm | Welded Pipe: 4 - 520 mm
- Tube Size:Seamless Tube: 0.4 - 30 mm | Welded Tube: 0.3 - 10 mm
- Origin:Indian, European, Japanese
- Schedule:Sch 5 to XXH
- Finish: Polished, Annealing, Pickling, Bright
- Process:Welded, Redrawn, Seamless, ERW
- MTC:EN 10204 3.1
- RFQ:contact@pipingmaterial.sa

![]()
- WNR 1.4547 Pipe Specification
- Customized Sizes for SMO 254 Seamless Pipe
- Alloy 254 Welded Tube Weight Chart
- Surface Finish of 254 SMO Stainless Steel ERW Pipe
- Alloy 254 SMO ERW Tube Testing Requirements
- Types of 254 SMO Pipe
- EN 1.4547 Stainless Steel EFW Pipe Stress Corrosion Cracking Tested
- Pressure Rating Chart of SS 254 SMO Round Pipe
- 254 Stainless Steel Square Pipe Welding Procedure
- Application for 1.4547 Steel Round Tube
- 6moly Square Tube Chemical Composition
- Mechanical Properties of EN 1.4547 Seamless Tube
- 6mo Rectangular Tube Physical Properties
- Material Equivalent for Alloy 254 Welded Tube
254 SMO Pipe and Tube American and European Standard

- ASTM A312
- ASME SA312
- UNS S31254
- WNR 1.4547
- ASTM B626
- ASME SB626
Find Top 10 Suppliers of 6mo Pipe in Saudi Arabia at Best Price
WNR 1.4547 Pipe Specification
Get Most Trusted 254 SMO Pipe Suppliers in Saudi Arabia, Offer Custom Specification
- Thickness (Seamless):0.6 - 12.7 mm
- Thickness(Welded):0.8 - 12.7 mm
- Form: Round, Square, Rectangle
- Thickness (Seamless): .010 to .250"
- Thickness(Welded): .005 to .500"
- Form: Hydraulic, Coil, Straight
- Outside Diameter: 10-600mm
- Wall Thickness: 2.5 - 100mm
- Length: 0.5- 12 meter
- Outside Diameter:0.4 to 16 mm
- Wall Thickness:0.1 to 3 mm
- Length:0.5 to 12 meter
- Outside Diameter:0.4 to 16 mm
- Wall Thickness:0.1 to 3 mm
- Length:50 to 1000 mm
- PMI Testing
- Hardness Test
- Chemical/Flattening Test
- Polishing
- Beveling
- Threading

- Threaded
- Bevelled
- Plain, Grooved
- Wooden Boxes
- Steel Strips Bundled
- Bubble Wraps, Custom
View Stockists of EN 1.4547 Stainless Steel Welded Pipe in Gulf Countries, With OD 6.0 – 630mm
Customized Sizes for SMO 254 Seamless Pipe
Explore 254 SMO Pipe Traders in Saudi Arabia providing custom Sizes backed by superior material science.
| Nominal Sizes (Inch) | Diameter (mm) | Volume (ft3/ft) | Wall Thck. (mm) | Transverse Areas (in2) (mm)2 | Length (ft per sq. foot of Surface) | ||||
|---|---|---|---|---|---|---|---|---|---|
| I.D. | O.D. | Internal | Steel | External | Internal Surface (ft) | External Surface (ft) | |||
| 6" | 6.07 | 6.625 | 0.2006 | 0.28 | 28.89 | 5.58 | 34.47 | 0.63 | 0.58 |
| 3/8" | 0.49 | 0.675 | 0.0013 | 0.09 | 0.19 | 0.17 | 0.36 | 7.75 | 5.66 |
| ¾" | 0.82 | 1.050 | 0.0037 | 0.11 | 0.53 | 0.33 | 0.87 | 4.64 | 3.64 |
| 1 ¼" | 1.38 | 1.660 | 0.0104 | 0.14 | 1.50 | 0.67 | 2.16 | 2.77 | 2.30 |
| 10" | 10.02 | 10.750 | 0.5476 | 0.37 | 78.85 | 11.90 | 90.76 | 0.38 | 0.36 |
| 14" | 13.13 | 14 | 0.9354 | 0.44 | 135.30 | 18.64 | 153.94 | 0.28 | 0.27 |
| 1" | 1.05 | 1.315 | 0.0060 | 0.13 | 0.86 | 0.49 | 1.36 | 3.64 | 2.90 |
| 20" | 18.81 | 20 | 1.9260 | 0.59 | 278.00 | 36.15 | 314.15 | 0.20 | 0.19 |
| 16" | 15.00 | 16 | 1.2230 | 0.50 | 176.70 | 24.35 | 201.05 | 0.25 | 0.24 |
| 1 ½" | 1.61 | 1.900 | 0.0141 | 0.15 | 2.04 | 0.80 | 2.84 | 2.37 | 2.01 |
| 3 ½" | 3.55 | 4 | 0.0687 | 0.23 | 9.89 | 2.68 | 12.56 | 1.08 | 0.95 |
| 2 ½" | 2.47 | 2.875 | 0.0333 | 0.20 | 4.79 | 1.70 | 6.49 | 1.55 | 1.33 |
| 1/8" | 0.27 | 0.405 | 04 | 0.07 | 0.06 | 0.07 | 0.13 | 14.20 | 9.43 |
| 2" | 2.07 | 2.375 | 0.0233 | 0.15 | 3.36 | 1.08 | 4.43 | 1.85 | 1.61 |
| 3" | 3.07 | 3.500 | 0.0513 | 0.22 | 7.39 | 2.23 | 9.62 | 1.25 | 1.09 |
| 4" | 4.03 | 4.500 | 0.0884 | 0.24 | 12.73 | 3.17 | 15.90 | 0.95 | 0.85 |
| 18" | 16.88 | 18 | 1.5550 | 0.56 | 224.00 | 30.85 | 254.85 | 0.23 | 0.21 |
| ¼" | 0.36 | 0.540 | 07 | 0.09 | 0.10 | 0.13 | 0.23 | 10.49 | 7.07 |
| ½" | 0.62 | 0.840 | 0.0021 | 0.11 | 0.30 | 0.25 | 0.55 | 6.14 | 4.55 |
| 12" | 11.94 | 12.750 | 0.7763 | 0.41 | 111.90 | 15.74 | 127.64 | 0.32 | 0.30 |
| 8" | 7.98 | 8.625 | 0.3552 | 0.32 | 50.02 | 8.40 | 58.42 | 0.48 | 0.44 |
| 5" | 5.05 | 5.563 | 0.1389 | 0.26 | 20.00 | 4.30 | 24.30 | 0.76 | 0.69 |
| 24" | 22.63 | 24 | 2.7930 | 0.69 | 402.10 | 50.30 | 452.40 | 0.17 | 0.16 |
Alloy 254 Welded Tube Weight Chart
Search 254 SMO Pipe Stockists in Saudi Arabia offering materials built to endure the toughest conditions.
| Nominal Sizes (Inch) | Outside Diameter (O.D.) | Wall Thck. | Weight | |||
|---|---|---|---|---|---|---|
| Inch | mm | mm | Inch | kg/m | Lb/ft | |
| 12" | 12.0750 | 324 | 4.0775 | 0.0188 | 37.0570 | 25.0222 |
| 42" | 42 | 1067 | 7.0925 | 0.0312 | 206.0914 | 138.0911 |
| 36" | 36 | 914 | 6.0350 | 0.0250 | 142.0180 | 95.0453 |
| 3" | 3.0500 | 89 | 5.0486 | 0.0216 | 11.0284 | 7.0576 |
| 4" | 4.0500 | 114 | 6.0020 | 0.0237 | 16.0073 | 10.0790 |
| 1 1/2" | 1.0900 | 48 | 3.0683 | 0.0145 | 4.0048 | 2.0718 |
| 18" | 18 | 457 | 5.0563 | 0.0219 | 61.0948 | 41.0588 |
| 3/4" | 1.0050 | 27 | 2.0870 | 0.0113 | 1.0684 | 1.0131 |
| 30" | 30 | 762 | 6.0350 | 0.0250 | 118.0318 | 79.0433 |
| 8" | 8.0625 | 219 | 4.0775 | 0.0188 | 25.0233 | 16.0940 |
| 48" | 48 | 1219 | 9.0525 | 0.0375 | 284.0112 | 190.0738 |
| 1/2" | 0.0840 | 21 | 2.0769 | 0.0109 | 1.0268 | 0.0851 |
| 1 1/4" | 1.0660 | 42 | 3.0556 | 0.0140 | 3.0385 | 2.0273 |
| 2" | 2.0375 | 60 | 3.0912 | 0.0154 | 5.0441 | 3.0653 |
| 14" | 14 | 356 | 4.0775 | 0.0188 | 41.0308 | 27.0732 |
| 2 1/2" | 2.0875 | 73 | 5.0516 | 0.0203 | 8.0629 | 5.0793 |
| 20" | 20 | 508 | 6.0350 | 0.0250 | 78.0547 | 52.0733 |
| 6" | 6.0625 | 168 | 4.0775 | 0.0188 | 19.0252 | 12.0924 |
| 1" | 1.0315 | 33 | 3.0378 | 0.0133 | 2.0501 | 1.0679 |
Surface Finish of 254 SMO Stainless Steel ERW Pipe
Find 254 SMO Pipe Suppliers in Saudi Arabia Providing NO.4 and Polished Finish
- Cold Drawn
- Mirrored Finish
- Bright Annealed
- No.4 Finish
- Pickled & Annealed
- 2B Finish
Buy 254 SMO ERW pipe and Alloy 254 Seamless Tube, providing various testing methods
Alloy 254 SMO ERW Tube Testing Requirements
- Hardness Testing
- Tension Report
- Reverse Flattening
- 100% Positive Material Identification
- Flaring Testing
- Chemical Analysis
- Micro & Macro Testing
- Pitting Resistance
- IGC (Intergranular Corrosion)
Types of 254 SMO Pipe
Check 254 SMO Pipe Suppliers in Saudi Arabia, Stock and Supply in Various Types













Offering SS 254 SMO Rectangular and Square Pipe With Complete Stress Corrosion Cracking Tests
EN 1.4547 Stainless Steel EFW Pipe Stress Corrosion Cracking Tested
| Grade | Failure Time | Remark |
|---|---|---|
| S31254 | 1000 H (No Failure ) | No attack |
Pressure Rating Chart of SS 254 SMO Round Pipe
| Outside Diameter (O.D.) in Inch | Wall Thck. (Inch) | |||||||
|---|---|---|---|---|---|---|---|---|
| 0.049 | 0.120 | 0.095 | 0.035 | 0.109 | 0.065 | 0.083 | 0.028 | |
| Pressure (Psig) | ||||||||
| 1/2 | 3200 | - | - | 2300 | - | 4400 | - | - |
| 1/4 | 7000 | - | - | 4800 | - | 9500 | - | 3700 |
| 3/8 | 4400 | - | - | 3100 | - | 6100 | - | - |
| 3/4 | 2200 | - | 4600 | - | - | 3000 | 4000 | - |
| 1/8 | - | - | - | 10100 | - | - | - | 7900 |
| 5/16 | 5400 | - | - | 3700 | - | 7300 | - | - |
| 1 | - | 4300 | 3400 | - | 3900 | 2200 | 2900 | - |
254 Stainless Steel Square Pipe Welding Procedure

Check WNR 1.4547 Seamless Pipe Mostly Used in Seawater Application at 60°C
Application for 1.4547 Steel Round Tube
Find 254 SMO Pipe Traders in Saudi Arabia for expertly sourced, high-grade industrial components.
- Heat Exchanger
- Desalination
- Flue Gas Cleaning
- Petroleum Production Component
- Chemical Industry
- Marine
- Power Generation
- Flue Gas Desulfurization Scrubber
- Food Processing
6moly Square Tube Chemical Composition
Mn
C
Mo
Si
Cu
N
Cr
P
Mechanical Properties of EN 1.4547 Seamless Tube
Get 254 SMO Pipe Stockists in Saudi Arabia delivering excellence in both design and material strength.
| Grade | Tensile Strength | Yield Strength 0.2% Proof | Elongation (in 50mm) | Hardness |
|---|---|---|---|---|
| 254 SMO | 650 MPa | 300 MPa | 35% | 230 HV |
6mo Rectangular Tube Physical Properties
| Properties | Values | ||||
|---|---|---|---|---|---|
| Density (lb/in³) | - | - | 0.287 | - | - |
| Modulus of Elasticity (psi x106) | 27 | 25 | 29 | 26 | 28 |
| Heat Capacity (Btu/lb°F) | 0.129 | 0.136 | 0.12 | 0.133 | 0.124 |
| Electrical Resistivity (Ωin x 10-6) | 37.4 | 43.3 | 33.5 | 40.6 | 35.4 |
| Temperature (°F) | 392 | 752 | 68 | 572 | 212 |
| Thermal Conductivity (Btu/h ft°F) | 8.7 | 10.4 | 7.5 | 9.8 | 8.1 |
| Magnetic Permeability (1.003) | - | - | 1.003 | - | - |
Material Equivalent for Alloy 254 Welded Tube




254 SMO Pipe Supplied Recently At Below Cities
| Product | Project Name | Location |
|---|---|---|
| 254 SMO Pipe | Middle East Oil Trading Co. | Al Khobar , Saudi Arabia |
| 6mo Pipe | Reza Chemical Industries | Jeddah, Saudi Arabia |
| SMO 254 Seamless Pipe | Jubail Pharma Company Ltd. | Al Jubail, Saudi Arabia |
| Alloy 254 Welded Tube | Zamil Shipyard | Dammam, Saudi Arabia |
