|
|
|
( 14-176-5-2005)
. - , , . , . , . , .
| | |
| | 0.5–3.0 |
| | 20730 |
| | ±0.05 |
| | 0.2 |
| | 100-1500 |
| | 500 |
| % | |
| | C | Si | Mn | P | S | % | Mpa | Mpa |
| Q195 | 0.06-0.12 | ≤ 0.30 | 0.25-0.50 | ≤ 0.045 | ≤ 0.050 | ≥ 33 | ≥ 195 | 315-430 |
| Q215 | 0.09-0.15 | ≤ 0.30 | 0.25-0.55 | ≤ 0.045 | ≤ 0.050 | ≥ 31 | ≥ 215 | 335-450 |
| Q235 | 0.14-0.22 | ≤ 0.30 | 0.30-0.65 | ≤ 0.045 | ≤ 0.050 | ≥ 26 | ≥ 235 | 375-500 |
| SPHC | 0.01-0.06 | ≤ 0.05 | 0.19-0.50 | ≤ 0.03 | 0.001-0.007 | ≥ 46 | ≥ 305 | ≥ 370 |
|
|