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| Properties of Steel Pipe | ||||
| Steel Grade | Yield（MPa） | Tensile （Mpa） |
Elongation （%） |
Hardness (HRC) |
| 45Mn2 | — | — | — | HRC≥50 Hot rolling delivery, HRC should be more than or equal to 50 after heat treatment |
| HS-1 | — | — | — | HRC≥55 Hot rolling delivery, HRC should be more than or equal to 55 after heat treatment |
| 65Mn | — | — | — | HRC≥58 Hot rolling delivery, HRC should be more than or equal to 58 after heat treatment |
| H65 | — | — | — | HRC≥60 Hot rolling delivery, HRC should be more than or equal to 60 after heat treatment |
| NM50 | ≥420 | ≥750 | ≥14% | HRC≥50 HRC should be more than or equal to 50 after heat treatment |
| NM55 | ≥450 | ≥780 | ≥13% | HRC≥55 HRC should be more than or equal to 55 after heat treatment |
| NM60 | ≥530 | ≥880 | ≥12% | HRC≥60 HRC should be more than or equal to 60 after heat treatment |
| NM62 | ≥550 | ≥990 | ≥12% | HRC≥62 HRC should be more than or equal to 62 after heat treatment |
Contact Person: Miss Liu
Sales Head Office：+0086 734 8875516 E-mail: hysteel@hysteeltube.com
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