钢材:d ≤ 16mm;t ≤ 8mm |
淬火+回火(+QT) |
1250~1450 |
≥1050 |
≥9 |
≥40 |
|
|
钢材:16mm ≤ d ≤ 40mm;8mm ≤ t ≤ 20mm |
淬火+回火(+QT) |
1250~1450 |
≥1050 |
≥9 |
≥40 |
|
≥30 |
钢材:40mm ≤ d ≤ 100mm;20mm ≤ t ≤ 60mm |
淬火+回火(+QT) |
1100~1300 |
≥900 |
≥10 |
≥45 |
|
≥35 |
钢材:100mm ≤ d ≤ 160mm;60mm ≤ t ≤ 100mm |
淬火+回火(+QT) |
1000~1200 |
≥800 |
≥11 |
≥50 |
|
≥45 |
钢材:160mm ≤ d ≤ 250mm;100mm ≤ t ≤ 160mm |
淬火+回火(+QT) |
1000~1200 |
≥800 |
≥11 |
≥50 |
|
|