Seamless Steel Pipe, SMLS Steel Pipe, SMLS Steel Tube
Chemical Composition(%):
Steel Grade | Chemical Analysis % | |||||
Grade | Material NO. | C max. | Si max. | Mn | P max. | S max. |
St 30 Si | 1.0211 | 0.1 | 0.3 | ≤0.55 | 0.025 | 0.025 |
St 30 Al | 1.0212 | 0.1 | 0.05 | ≤0.55 | 0.025 | 0.025 |
St 35 | 1.0305 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 45 | 1.0408 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 |
St 52 | 1.058 | 0.22 | 0.55 | ≤1.60 | 0.025 | 0.025 |
Can join the alloy elements: Nb:≤0.03%;Ti:≤0.03%;V:≤0.05%;Nb+Ti+V:≤0.05% |