Product Name: Seamless Tube (DIN 2391)
Material: ST 35, ST 45, ST 52
Application: For Auto use, machinery use, Oil cylinder tube, Motorcycle shock reducer steel tubes, Auto shock reducer inner cylinder
Size(mm): O. D.: 6.0-224.0 W. T.: 1-15 L: Max 12000
Grade | ChemicalComposition( % ) | ||||
C max | Si max | Mn | P max | S max | |
St 35 | 0.17 | 0.35 | ≥ 0.40 | 0.025 | 0.025 |
St 45 | 0.21 | 0.35 | ≥ 0.40 | 0.025 | 0.025 |
St 52 | 0.22 | 0.55 | ≤ 1.60 | 0.025 | 0.025 |
Mechanical Properties (Mpa):
Steel grade | cold drawing lucencyhardness | cold drawing lucencyhardness | drawing lucency | Anneal | Normalization | |||||||
Tensile Strength Rm | Elongation % | Tensile Strength Rm | Elongation % | Tensile Strength Rm | Yield Strength | Elongation % | Tensile Strength Rm | Elongation % | Tensile Strength Rm | Yield Strength | Elongation % | |
St35 | 480 | 6 | 420 | 10 | 420 | 315 | 14 | 315 | 25 | 340-470 | 235 | 25 |
St45 | 580 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440-570 | 235 | 21 |
St52 | 640 | 4 | 580 | 7 | 580 | 420 | 10 | 490 | 22 | 490-630 | 355 | 22 |