China · Baosteel Q/BQB
S28C
Q/BQB 615:2004 — Q/BQB 615
Chemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.25 | 0.31 | ||
| Mn | 0.6 | 0.9 | ||
| P | 0.03 | |||
| S | 0.035 | |||
| Si | 0.15 | 0.35 |
China · Baosteel Q/BQB
Q/BQB 615:2004 — Q/BQB 615
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.25 | 0.31 | ||
| Mn | 0.6 | 0.9 | ||
| P | 0.03 | |||
| S | 0.035 | |||
| Si | 0.15 | 0.35 |