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
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≥900
|
≥10
|
≥45
|
|
≥35
|
钢材:100mm ≤ d ≤ 160mm;60mm ≤ t ≤ 100mm
|
淬火+回火(+QT)
|
1000~1200
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≥800
|
≥11
|
≥50
|
|
≥45
|
钢材:160mm ≤ d ≤ 250mm;100mm ≤ t ≤ 160mm
|
淬火+回火(+QT)
|
1000~1200
|
≥800
|
≥11
|
≥50
|
|
≥45
|