ASTM A234 WPB pipe caps are made of ASTM A234 WPB standard steel, which is a commonly used standard specification for American standard pipe fittings, suitable for carbon steel and alloy steel materials in medium and high temperature environments. ASTM A234 WPB is a specific carbon steel grade in the A234 standard, commonly used in carbon steel materials for elbows, tees, reducers, pipe caps and other products.
ASTM A234 WPB Pipe Cap Chemical Composition
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | V | Nb |
| WPB | 0.3 | 0.29-1.06 | 0.05 | 0.058 | 0.1min | 0.4 | 0.15 | 0.4 | 0.4 | 0.08 | 0.02 |
| WPC | 0.35 | 0.29-1.06 | 0.05 | 0.058 | 0.1min | 0.4 | 0.15 | 0.4 | 0.4 | 0.08 | 0.02 |
| WP11 CL1 | 0.05-0.15 | 0.30-0.60 | 0.03 | 0.03 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | - | - | - | - |
| WP11 CL2/3 | 0.05-0.20 | 0.30-0.80 | 0.04 | 0.04 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | - | - | - | - |
ASTM A234 WPB Cap Specification
| ASTM A234 Gr WPB Pipe Cap size | CS ASTM A234 Seamless Pipe Cap: 1/2" - 10" CS ASTM A234 gr WPB Welded Pipe Cap: 1/2" - 48" |
|---|---|
| A234 Grade WPB Cap Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Carbon Steel sch 40 A234 Pipe Cap Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| ASTM A234 WPB Carbon Steel Cap Type | DN15-DN1200 |
| Grade WPB Pipe Cap | Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO |
| CS ASTM A234 Pipe Cap Manufacturing process | Push, Press, Forge, Cast, etc. |
SA234 WPB Pipe Caps, Beveled Ends

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