ASTM A105 End Cap specification
| Material | Sizes | Connection Types |
|---|---|---|
| ASTM A105 |
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| Threads | ASME/ANSI | Test Certificates |
| NPT, BSPT, BSPP |
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| Types | Forging Methods | Surface |
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Types of ASTM A105 end cap
ASTM A105 carbon steel forged cap
ASTM A105 pipe socket cap
ASTM A105 end threaded cap
A105n square forged cap
SA105 carbon steel round socket caps
A105 carbon steel threaded cap
SA105 socket weld pipe cap dimensions

Class 3000 |
Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| B | 3/4 | 7/8 | 1 1/16 | 1 1/4 | 1 1/2 | 1 13/16 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 5/16 | 5 1/2 | |
| C | 0.420 | 0.555 | 0.690 | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | 2.906 | 3.535 | 4.545 | |
| D | 7/16 | 7/16 | 7/16 | 1/2 | 9/16 | 5/8 | 11/16 | 3/4 | 7/8 | 7/8 | 1 | 1 1/8 | |
| F | 11/16 | 3/4 | 3/4 | 7/8 | 1 | 1 1/16 | 1 3/16 | 1 1/4 | 1 1/2 | 1 9/16 | 1 13/16 | 2 1/16 | |
| Wt | 0.063 | 0.063 | 0.125 | 0.188 | 0.313 | 0.375 | 0.813 | 1.125 | 1.688 | 3.000 | 3.625 | 6.688 | |
Class 6000 |
B | - | - | - | 1 1/2 | 1 3/4 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 1/4 | 5 | 6 1/4 |
| C | - | - | - | 0.855 | 1.065 | 1.330 | 1.675 | 1.915 | 2.406 | 2.906 | 3.535 | 4.545 | |
| D | - | - | - | 1/2 | 9/16 | 5/8 | 11/16 | 3/4 | 7/8 | 7/8 | 1 | 1 1/8 | |
| F | - | - | - | 1 | 1 1/16 | 1 1/4 | 1 5/16 | 1 3/8 | 1 5/8 | 1 11/16 | 1 15/16 | 2 5/16 | |
| Wt | - | - | - | 0.375 | 0.500 | 1.125 | 1.125 | 2.250 | 3.500 | 5.625 | 6.000 | 13.500 |
A105N carbon steel threaded cap dimensions

| Class 3000 | Nominal Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 |
| B | 3/4 | 3/4 | 7/8 | 1 1/8 | 1 3/8 | 1 3/4 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 1/4 | 5 1/2 | |
| D | 15/16 | 1 | 1 | 1 1/4 | 1 7/16 | 1 5/8 | 1 3/4 | 1 3/4 | 1 7/8 | 2 3/8 | 2 9/16 | 2 11/16 | |
| Wt | 0.031 | 0.063 | 0.125 | 0.250 | 0.313 | 0.500 | 1.000 | 1.625 | 3.125 | 5.000 | 8.500 | 14.000 | |
Class 6000 |
B | 7/8 | 1 | 1 1/4 | 1 1/2 | 1 3/4 | 2 1/4 | 2 1/2 | 3 | 3 5/8 | 4 1/4 | 5 | 6 1/4 |
| D | 1 | 1 1/16 | 1 | 1 5/16 | 1 1/2 | 1 11/16 | 1 13/16 | 1 7/8 | 2 | 2 1/2 | 2 11/16 | 2 15/16 | |
| Wt | 0.125 | 0.125 | 0.188 | 0.313 | 0.438 | 0.750 | 1.313 | 1.688 | 3.250 | 8.100 | 11.700 | 14.250 |
SA105 end cap chemical composition
| C | Si | Mn | Cu | S | V | P | Cr | Mo | Ni |
| 0.35 | 0.10–0.35 | 0.60–1.05 | 0.40 | 0.040 | 0.08 | 0.035 | 0.30 | 0.12 | 0.40 |
ASTM A105 threaded cap mechanical properties
| Elongation | Tensile Properties | HB max |
|---|---|---|
| 22 % | 485(N/mm2) | 187 |