Chemical Composition
Mechanical Properties
Steel Grade | C | Si | Mn | P max | S max |
20# | 0.18-0.23 | 0.15-0.35 | 0.30-0.60 | 0.030 | 0.030 |
Mechanical Properties
Steel Grade | Delivery Conditions | |||
BK | BKS | |||
Tensile Strength | Elongation | Tensile Strength | Elongation | |
≥ | ||||
10# | 410 | 6 | 335 | 12 |
20# | 510 | 5 | 430 | 10 |
35# | 590 | 4 | 520 | 8 |
45# | 645 | 4 | 610 | 7 |