ASTM A234 WPB covers wrought carbon steel butt-welding fittings for moderate and elevated temperature service. Elbows, tees, reducers and caps are forged or formed from A106 / A53 pipe or plate and then heat treated, giving a fitting whose chemistry, strength and wall schedule match the connecting pipe exactly - the reason A234 WPB is specified on almost every carbon steel piping line.
Sarovar Tube Industries manufactures, stocks and exports ASTM A234 WPB Pipe Fittings from Mumbai to customers across the Middle East, South East Asia, Europe, Africa and the Americas. Every heat is verified by in-house testing before despatch and supported by complete documentation, so the material you receive is exactly the material you specified.
The table below sets out the standard manufacturing range for ASTM A234 WPB Pipe Fittings. Sizes and finishes outside this range are produced against firm orders.
| Parameter | Details |
|---|---|
| Size Range | 1/2 inch to 48 inch (seamless up to 24 inch, fabricated above) |
| Wall Thickness | Sch 10 to Sch 160, XS, XXS - matched to connecting pipe |
| Types | 90 and 45 degree elbows (LR / SR), equal and reducing tees, concentric and eccentric reducers, caps, stub ends, crosses |
| Dimensional Standard | ASME B16.9, B16.28, MSS SP-43, MSS SP-75 |
| End Connection | Butt weld (bevelled to ASME B16.25), socket weld, threaded |
| Manufacturing | Seamless and welded, hot / cold formed and heat treated |
| Surface | Black, oiled, epoxy painted, galvanised |
| Marking | Heat number, grade, size, schedule and standard stamped on each piece |
| Description | Details |
|---|---|
| Primary Standard | ASTM A234 / ASME SA234 WPB, dimensions to ASME B16.9 / B16.28 / MSS SP-43 |
| Grade Designation | ASTM A234 WPB |
| Equivalent Grades | EN 10253-2 P235GH/P265GH, DIN 2605 St 37.0, JIS B2311/B2312 |
| Product Category | Carbon Steel - Pipe Fittings |
| Certification | EN 10204 3.1 as standard, 3.2 with third party inspection on request |
| NPS (inch) | OD (mm) | 90 deg LR Elbow C-to-E (mm) | 45 deg LR Elbow C-to-E (mm) | Equal Tee C-to-E (mm) |
|---|---|---|---|---|
| 1/2 | 21.3 | 38 | 16 | 25 |
| 3/4 | 26.7 | 38 | 19 | 29 |
| 1 | 33.4 | 38 | 22 | 38 |
| 1 1/4 | 42.2 | 48 | 25 | 48 |
| 1 1/2 | 48.3 | 57 | 29 | 57 |
| 2 | 60.3 | 76 | 35 | 64 |
| 2 1/2 | 73.0 | 95 | 44 | 76 |
| 3 | 88.9 | 114 | 51 | 86 |
| 3 1/2 | 101.6 | 133 | 57 | 95 |
| 4 | 114.3 | 152 | 64 | 105 |
| 5 | 141.3 | 190 | 79 | 124 |
| 6 | 168.3 | 229 | 95 | 143 |
| 8 | 219.1 | 305 | 127 | 178 |
| 10 | 273.0 | 381 | 159 | 216 |
| 12 | 323.8 | 457 | 190 | 254 |
| 14 | 355.6 | 533 | 222 | 279 |
| 16 | 406.4 | 610 | 254 | 305 |
| 18 | 457.0 | 686 | 286 | 343 |
| 20 | 508.0 | 762 | 318 | 381 |
| 22 | 559.0 | 838 | 343 | 419 |
| 24 | 610.0 | 914 | 381 | 432 |
Centre-to-end dimensions per ASME B16.9, NPS 1/2 inch to 24 inch. Short radius, reducing and special fittings supplied to MSS SP-43 or customer drawing.
Composition limits in weight percent as required by ASTM A234 / ASME SA234 WPB, dimensions to ASME B16.9 / B16.28 / MSS SP-43. Every heat is verified by spectrographic analysis and positive material identification.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.30 max |
| Manganese (Mn) | 0.29 - 1.06 |
| Phosphorus (P) | 0.050 max |
| Sulphur (S) | 0.058 max |
| Silicon (Si) | 0.10 min |
| Chromium (Cr) | 0.40 max |
| Copper (Cu) | 0.40 max |
| Molybdenum (Mo) | 0.15 max |
| Nickel (Ni) | 0.40 max |
| Vanadium (V) | 0.08 max |
Minimum room temperature properties in the supplied condition. Results for the actual heat supplied are recorded on the mill test certificate.
| Property | Value |
|---|---|
| Tensile Strength | 415 - 585 MPa (60,000 - 85,000 psi) |
| Yield Strength | 240 MPa (35,000 psi) min |
| Elongation (longitudinal) | 22% min |
| Hardness | 197 HB max |
| Density | 7.85 g/cm3 |
Material is released only after the following checks are completed and recorded:
ASTM A234 WPB Pipe Fittings is specified across the following industries and services:
All material is manufactured and tested to ASTM A234 / ASME SA234 WPB, dimensions to ASME B16.9 / B16.28 / MSS SP-43. Equivalent grades include EN 10253-2 P235GH/P265GH, DIN 2605 St 37.0, JIS B2311/B2312. The governing standard is printed on every mill test certificate.
Every consignment ships with an EN 10204 3.1 mill test certificate covering heat-wise chemical analysis and mechanical properties. Type 3.2 certification with third party inspection by TUV, SGS, BV or Lloyd's is available when specified at the enquiry stage.
Yes. Beyond the standard range shown above we manufacture to customer drawings and specifications, including special lengths, non-standard wall thickness and machined profiles. Share your drawing with the enquiry and our technical team will confirm feasibility and lead time.
Stock items are despatched within three to five working days of order confirmation. Made-to-order material typically takes four to six weeks depending on grade, size and heat treatment requirements. Export documentation and packing are handled in house.
Custom fabrication, special sizes and complete export documentation are handled in house. Send us your drawing or specification and our technical team will come back with a detailed offer, usually within one working day.