Standard | GOST9567 Precision steel tubes |
Material | 10, 20, 35, 45, 40X, 30ХГСА |
Size | WT: 1-15mm; OD: 6-168mm; Length: max 12000mm |
Manufacturer | Pipes shall be made by the Cold Drawn seamless process. |
Applications | For Automobile, Machinery Engineering, Autoparts etc. |
Test | Tension Test, Flaring Test, Flange Test, Reverse Test, Hardness Test, Hydrostatic or Nondestructive Electric Test etc |
Chemical Composition
Steel Grade | C | Si | Mn | Cr | Ni | Mo | S | P | Cu |
10 | 0.07-0.14 | 0.17-0.37 | 0.35-0.65 | 0.15 | 0.3 | - | - | - | - |
20 | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.25 | 0.25 | - | 0.03 | 0.025 | 0.3 |
35 | 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | 0.25 | 0.3 | - | 0.04 | 0.035 | 0.3 |
45 | 0.42-0.45 | 0.17-0.37 | 0.50-0.80 | 0.25 | - | - | - | - | - |
40X | 0.36-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 | 0.3 | - | 0.035 | 0.035 | 0.3 |
30ХГСА | 0.28-0.34 | 0.90-1.20 | 0.80-1.10 | 0.80-1.10 | 0.3 | - | 0.005 | 0.25 | - |
Mechanical Properties
Steel Grade | Tensile strength, N/mm2 (min) | Yield strength, N/mm 2 (min) | Elongation, %(min) |
10 | 343 | 206 | 24 |
20 | 412 | 245 | 21 |
35 | 510 | 294 | 17 |
45 | 589 | 323 | 14 |
40X | 618 | - | 14 |
30ХГСА | 491 | - | 18 |