ASTM A234 Gr. WPB ASME B16.9 Carbon Steel End Cap
ASTM A234 Gr. WPB ASME B16.9 Carbon Steel End Cap
A Welded Carbon Steel End Cap is a type of pipe fitting that is used to close the end of a pipe. It is welded onto the pipe to block off the end of a line in a piping system.
End caps are typically made of carbon steel, a durable and robust material commonly used in piping systems due to its strength and resistance to corrosion.
Welded Carbon Steel End Caps are available in a range of sizes to fit different pipe diameters and specifications.
Product Information
| Product Name | Carbon Steel End Cap |
| Size Range | 1/2” to 48” |
| Wall Thickness | SGP STD SCH5S SCH10S SCH40S SCH 80S SCH160S XS XXS |
| Standards | ASTM A234 |
| Grade | WPB |
| Manufacturing Standards | ASME B16.9 MSS-SP-43 |
| Coating | Rust-proof black oil or hot galvanized, Transparent oil |
Applications:
Piping Systems: End caps are used in various industries and applications where the end of a pipe needs to be closed off securely.
Pressure and Temperature: Suitable for applications with moderate to high pressure and temperature conditions.
ASTM A234 WPB B16.9 End Cap Dimensions (mm)
The cap is used to seal an open end of the pipe. In piping engineering, the cap made in accordance with ASME B16.9 will be welded to the end and need not be included in the length dimension of the run of pipe.
| NPS | O.D mm inch |
E [NOTE(1)] mm inch |
E mm inch |
E1 [NOTE(2)] mm inch |
| 1/2 | 21.3 0.84 |
25 1.00 |
4.57 0.18 |
25 1.00 |
| 3/4 | 26.7 1.05 |
25 1.00 |
3.81 0.15 |
25 1.00 |
| 1 | 33.4 1.32 |
38 1.50 |
4.57 0.18 |
38 1.50 |
| 1-1/4 | 42.2 1.66 |
38 1.50 |
4.83 0.19 |
38 1.50 |
| 1-1/2 | 48.3 1.90 |
38 1.50 |
5.08 0.20 |
38 1.50 |
| 2 | 60.3 2.38 |
38 1.50 |
5.59 0.22 |
44 1.75 |
| 2-1/2 | 73.0 2.88 |
38 1.50 |
7.00 0.28 |
51 2.00 |
| 3 | 88.9 3.50 |
51 2.00 |
7.62 0.30 |
64 2.50 |
| 3-1/2 | 101.6 4.00 |
64 2.50 |
8.13 0.32 |
76 3.00 |
| 4 | 114.3 4.50 |
64 2.50 |
8.64 0.34 |
76 3.00 |
| 5 | 141.3 5.56 |
76 3.00 |
9.65 0.38 |
89 3.50 |
| 6 | 168.3 6.62 |
89 3.50 |
10.92 0.43 |
102 4.00 |
| 8 | 219.1 8.62 |
102 4.00 |
12.70 0.50 |
127 5.00 |
| 10 | 273.0 10.75 |
127 5.00 |
12.70 0.50 |
152 6.00 |
| 12 | 323.8 12.75 |
152 6.00 |
12.70 0.50 |
178 7.00 |
| 14 | 355.6 14.00 |
165 6.00 |
12.70 0.50 |
191 7.50 |
| 16 | 406.4 16.00 |
178 7.00 |
12.70 0.50 |
203 8.00 |
| 18 | 457.0 18.00 |
203 8.00 |
12.70 0.50 |
229 9.00 |
| 20 | 508.0 20.00 |
229 9.00 |
12.70 0.50 |
254 10.00 |
| 22 | 559.0 22.00 |
254 10.00 |
12.70 0.50 |
254 10.00 |
| 24 | 610.0 24.00 |
267 10.50 |
12.70 0.50 |
305 12.00 |
| 26 | 660.0 26.00 |
267 10.50 |
… | … |
| 28 | 711.0 28.00 |
267 10.50 |
… | … |
| 30 | 762.0 30.00 |
267 10.50 |
… | … |
| 32 | 813.0 32.00 |
267 10.50 |
… | … |
| 34 | 864.0 34.00 |
267 10.50 |
… | … |
| 36 | 914.0 36.00 |
267 10.50 |
… | … |
| 38 | 965.0 38.00 |
305 12.00 |
… | … |
| 40 | 1016.0 40.00 |
305 12.00 |
… | … |
| 42 | 1067.0 42.00 |
305 12.00 |
… | … |
| 44 | 1118.0 44.00 |
343 13.50 |
… | … |
| 46 | 1168.0 46.00 |
343 13.50 |
… | … |
| 48 | 1219.0 48.00 |
343 13.50 |
… | … |
*NPS: Nominal Pipe Size; O.D: Outside Diameter at Bevel; E: Length [NOTE(1)]; E1: Limiting Wall Thickness for Length; E: Length[NOTE(2)].
ASTM A234 WPB CAP Chemical Compositions (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | V | Nb |
| WPB | ≤0.30 | 0.29-1.60 | ≤0.050 | ≤0.058 | ≥0.10 | ≤0.40 | ≤0.15 | ≤0.40 | ≤0.40 | ≤0.08 | 0.02 |
*For ASTM A234 Gr. WPB, the carbon equivalent (C.E.), based on heat analysis and the following formula, shall be no greater than 0.50. C.E. = C + Mn / 6 + (Cr + Mo + V) / 5 + (Ni + Cu) / 15. The C.E. values shall be reported on the test report.
*ASTM A234 WPB fittings made from bar or plate may have 0.35 max carbon and that made from forgings may have 0.35 max carbon and 0.35 max silicon with no minimum.
*For each reduction of 0.01% below the specified carbon maximum, an increase of 0.06% manganese above the specified maximum will be permitted, up to a maximum of 1.65%.
*The sum of copper, nickel, chromium, and molybdenum shall not exceed 1.00%
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