| Application: | DIN17175 Heat Resistant Tubos de Acero al Carbón Sin Costura is Used for pipelines of boiler industry | |||||||||||
| Size (mm): | O.D.: 10.0∼325.0; W.T: 1∼70; L: max 12000 | |||||||||||
| Standard | Grade | Chemical Composition | Mechanical Properties | |||||||||
| C | Si | Mn | P≤ | S≤ | Cr | Mo | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) | |||
| DIN17175 | St35.8 | ≤0.17 | 0.10~ | 0.40~ | 0.03 | 0.03 | / | / | 360~480 | ≥235 | ≥25 | |
| 0.35 | 0.8 | |||||||||||
| St45.8 | ≤0.21 | 0.10~ | 0.40~ | 0.03 | 0.03 | / | / | 410~530 | ≥255 | ≥21 | ||
| 0.35 | 1.2 | |||||||||||
| 15Mo3 | 0.12~ | 0.1 | 0.40~ | 0.03 | 0.03 | / | 0.25~ | 460~600 | ≥270 | ≥20 | ||
| 0.2 | ~0.35 | 0.8 | 0.35 | |||||||||
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