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Seamless Steel Pipe
1. Size range: 6mm*1mm-813mm*20mm
2. Standard specification&steel grade:
| ASTM: | ASTM A53 Gr.A, Gr.B, ASTM A106 Gr.A,Gr.B, Gr.C, ASTM A333 Gr.1, Gr6, Gr.9, ASTM A334 Gr1, Gr3, Gr9 |
| EN: | EN 10294-1 E355,E355J2,E470,E470J2, EN 10297-1 E235,E275,E355,E470 |
| DIN: | DIN 1629 ST37 ST44 ST52, DIN 1630 St37.4, St 44.4, St 52.4 |
| JIS: | JIS G3445 STKM 11A,11B,11C,12A,12B,12C,13A,13B,13C |
3. Manufacture method: Hot rolled, cold rolled, cold drawn
4. Delivery condition:
| +C | +LC | +SR | +A | +N | +AR | Q+T |
| Cold rolled | Cold drawn | Stress relieved | Annealed | Normalized | As rolled | Quenched+Tempered |
5. End finish: bevelled ends or plain ends with square cuts, free of burrs.
6. Chemical composition:
| Element | C | Si | Mn | P | S |
|
|
| A106 Gr.A | ≤ 0.25 | ≥ 0.10 | 0.27-0.93 | ≤ 0.035 | ≤ 0.035 |
|
|
| A106 Gr.B | ≤ 0.30 | ≥ 0.10 | 0.29-1.06 | ≤ 0.035 | ≤ 0.035 |
|
|
| A106 Gr.C | ≤ 0.35 | ≥ 0.10 | 0.29-1.06 | ≤ 0.035 | ≤ 0.035 |
|
|
7. Mechanical properties:
|
| Gr.A | Gr.B | Gr.C |
| Tensile Strength: | ≥ 330 Mpa | ≥ 415 Mpa | ≥ 485 Mpa |
| Yield Strength: | ≥ 205 Mpa | ≥ 240 Mpa | ≥ 275 Mpa |
| Elongation: | ≥ 35% | ≥ 30% | ≥ 30% |
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July 19, 2023
May 08, 2023
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