What an EN 10204 3.1 mill test certificate contains, how it differs from 3.2, and what Sakshi Forge supplies with every EP pipe order. Sample MTC available.
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Sakshi Forge manufactures electropolished stainless steel pipes and tubes adhering to ASTM A270, ASTM A312, ASTM A269, and ASME BPE SF4 standards. Our internal electropolishing process guarantees roughness values down to Ra 0.38 µm (15 µin).
| Nominal Size (NB / OD) | Outside Diameter (mm / inch) | Wall Thickness (SWG / mm) | Internal Finish (Ra) | Standard Length |
|---|---|---|---|---|
| 1/4" OD (6.35 mm) | 6.35 mm (0.250 in) | 0.89 mm / 1.0 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 1/2" OD (12.7 mm) | 12.70 mm (0.500 in) | 1.24 mm / 1.65 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 3/4" OD (19.05 mm) | 19.05 mm (0.750 in) | 1.65 mm (16 SWG) | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 1" OD (25.4 mm) | 25.40 mm (1.000 in) | 1.65 mm (16 SWG) | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 1.5" OD (38.1 mm) | 38.10 mm (1.500 in) | 1.65 mm / 2.11 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 2" OD (50.8 mm) | 50.80 mm (2.000 in) | 1.65 mm / 2.11 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 3" OD (76.2 mm) | 76.20 mm (3.000 in) | 2.11 mm / 2.77 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| 4" OD (101.6 mm) | 101.60 mm (4.000 in) | 2.11 mm / 2.77 mm | Ra ≤ 0.38 µm (15 µin) | 6 Metres (20 ft) |
| Grade | Carbon (C) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) |
|---|---|---|---|---|---|---|---|
| SS 316L (UNS S31603) | ≤ 0.030% | ≤ 2.00% | ≤ 0.045% | 0.005-0.017%* | 16.0-18.0% | 10.0-14.0% | 2.00-3.00% |
| SS 304L (UNS S30403) | ≤ 0.030% | ≤ 2.00% | ≤ 0.045% | ≤ 0.030% | 18.0-20.0% | 8.0-12.0% | - |
* Sulfur content for ASME BPE EP tubing is strictly controlled between 0.005% and 0.017% to promote optimal orbital welding penetrations.
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