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1. Tubería de acero sin costura
3. Productos tubulares para campos petrolíferos
4. Tubería de acero de aleación
5. Productos de acero inoxidable
6. Tubería de acero galvanizado
7.Accesorios de tubería y brida
8. Sección de acero estructural
9. Tubería de acero al carbono recubierta
| Composition, % | ||||
| Element | Grades A, B and D | Grace C | ||
|
Heat Analysis |
Product Analysis |
Heat Analysis |
Product Analysis |
|
|
Carbon, max |
0.26 | 0.30 | 0.23 | 0.27 |
|
Manganese, max |
... | ... | 1.35 | 1.40 |
|
Phosphorus, max |
0.035 | 0.045 | 0.035 | 0.045 |
|
Sulfur, max |
0.035 | 0.045 | 0.035 | 0.045 |
|
Copper, when copper steel is specified, min |
0.20 | 0.18 | 0.20 | 0.18 |
Tensile Requirements of ASTM A500
| Round Structural Tubing | ||||
| Grade | Grade A | Grade B | Grade C | Grade D |
|
Tensile strength, mn, ps (MPa) |
45 000 (310) |
58 000 (400) |
62 00 (427) |
58 000 (400) |
|
Yield strength, mn, psi (MPa) |
33 000 (228) |
42 000 (290) |
46 000 (317) |
36 000 (250) |
|
Elongation in 2 in. (50.8 mm), min, %A |
25B | 23C | 21D | 23C |
| Shaped Structural Tubing | ||||
| Grade | Grade A | Grade B | Grade C | Grade D |
|
Tensile strength, mn, ps (MPa) |
45 000 (310) |
58 000 (400) |
62 00 (427) |
58 000 (400) |
|
Yield strength, mn, psi (MPa) |
39 000 (269) |
46 000 (317) |
50 000 (345) |
36 000 (250) |
|
Elongation in 2 in. (50.8 mm), min, %A |
25B | 23C | 21D | 23C |
