A234 Butt Weld Pipe Cap
A234 Butt Weld Pipe Cap
Item #: A234 Butt Weld Pipe Cap
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Governing Standards
| ASTM A234 | Specification covers seamless and welded fitting made from wrought carbon steel and alloy steel. Fittings for use in pressure piping and pressure vessel fabrication. | |
| ASME B16.11 | Covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings. These fittings are designated as Class 2000, 3000, and 6000 for threaded end fittings and Class 3000, 6000, and 9000 for socket-weld end fittings. | |
| Per ASTM A234-A234M-24 |
Chemical Properties
| Per ASTM A234 WPB | Element | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Copper | Nickel | Chromium | Molybdenum | Vanadium |
| Composition, % | 0.3 | 0.29-1.06 | 0.050 | 0.058 | 0.10 min | 0.40 | 0.40 | 0.40 | 0.15 max | 0.08 |
- 1. The sum of copper, nickel, chromium, and molybdenum shall not exceed 1.00%
- Note: For each reduction of 0.01% below the specified carbon maximum, an increase of 0.006% manganese above the specified maximum will be permitted up to a maximum of 1.35%.
Mechanical Properties
| Grade A105 | Tensile Strength | Yield Strength | Elongation in 4D | Hardness |
| Min ksi [MPa] | Min ksi [Mpa] | Min % | Max | |
| 60 [415] | 34 [240] | 22 | 197 |
Dimensional Specifications
| Outside Diameter | Inside Diameter (I.D.) | Wall Thickness (T) | Height | Aprrox. Weight in Pounds | ||||
| Pipe Size | (O.D.) | Schedule 40 | Schedule 80 | Schedule 40 | Schedule 80 | (H) | Schedule 40 | Schedule 80 |
| 1/2 | 0.84 | 0.622 | 0.546 | 0.109 | 0.147 | 1.00 | 0.08 | 0.10 |
| 3/4 | 1.05 | 0.824 | 0.742 | 0.113 | 0.154 | 1.00 | 0.50 | 0.16 |
| 1 | 1.32 | 1.054 | 0.962 | 0.113 | 0.179 | 1.50 | 0.70 | 0.28 |
| 1 1/4 | 1.66 | 1.380 | 1.278 | 0.140 | 0.191 | 1.50 | 1.00 | 0.45 |
| 1 1/2 | 1.90 | 1.610 | 1.500 | 0.145 | 0.200 | 1.50 | 1.30 | 0.61 |
| 2 | 2.38 | 2.072 | 1.944 | 0.154 | 0.218 | 1.50 | 1.50 | 1.20 |
| 2 1/2 | 2.88 | 2.474 | 2.328 | 0.203 | 0.276 | 1.50 | 1.75 | 2.00 |
| 3 | 3.50 | 3.068 | 2.900 | 0.216 | 0.300 | 2.00 | 3.00 | 3.30 |
| 3 1/2 | 4.00 | 3.548 | 3.364 | 0.226 | 0.318 | 2.50 | 5.00 | 4.50 |
| 4 | 4.50 | 4.026 | 3.826 | 0.237 | 0.337 | 2.50 | 9.00 | 6.20 |
| 5 | 5.56 | 5.044 | 4.810 | 0.258 | 0.375 | 3.00 | 16.00 | 10.50 |
| 6 | 6.62 | 6.060 | 5.756 | 0.280 | 0.432 | 3.50 | 22.50 | 17.00 |
| 8 | 8.62 | 7.976 | 7.620 | 0.322 | 0.500 | 4.00 | 45.00 | 34.30 |
| 10 | 10.75 | 10.020 | 9.562 | 0.365 | 0.594 | 5.00 | 80.00 | 150.00 |
| 12 | 12.75 | 11.938 | 11.374 | 0.406 | 0.688 | 6.00 | 160.00 | 200.00 |
| 14 | 14.00 | 13.124 | 12.500 | 0.438 | 0.750 | 6.50 | 270.00 | 337.50 |
| 16 | 16.00 | 15.000 | 14.312 | 0.500 | 0.844 | 7.00 | 260.00 | 450.00 |
| 18 | 18.00 | 16.876 | 16.124 | 0.562 | 0.938 | 9.00 | 490.00 | 612.50 |
| 20 | 20.00 | 18.812 | 17.938 | 0.594 | 1.031 | 10.00 | 615.00 | 768.75 |
| 24 | 24.00 | 22.624 | 21.562 | 0.688 | 1.219 | 12.00 | 775.00 | 968.75 |