牌號
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AISI相似牌號
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規格(mm)
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化 學 成 分(熔煉分析)
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C
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Mn
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P
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S
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Si
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Alt
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其他Other
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SWRCH8A
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1008
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φ5.5~φ40
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≤0.10
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≤0.60
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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SWRCH10A
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1010
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0.08~0.13
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0.30~0.60
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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SWRCH18A
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1018
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0.15~0.20
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0.60~0.90
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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SWRCH22A
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1022
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0.18~0.23
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0.70~1.00
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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SWRCH22K
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1022
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0.18~0.23
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0.70~1.00
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≤0.030
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≤0.030
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0.10~0.35
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——
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SWRCH35K
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1035
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0.32~0.38
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0.60~0.90
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≤0.030
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≤0.030
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0.10~0.35
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——
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SWRCH45K
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1045
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0.42~0.48
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0.60~0.90
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≤0.030
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≤0.030
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0.10~0.35
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——
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SCM435
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4135
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0.33~0.38
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0.60~0.90
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≤0.030
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≤0.030
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0.15~0.35
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——
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Cr:0.90~1.20 Mo:0.15~0.30
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SCM440
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4140
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0.38~0.43
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0.60~0.90
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≤0.030
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≤0.030
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0.15~0.35
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——
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Cr:0.90~1.20 Mo:0.15~0.30
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10B21
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10B21
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0.18~0.23
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0.70~1.00
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≤0.030
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≤0.030
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≤0.10
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——
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B:0.0005~0.0035
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ML20Cr
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5120
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0.17-0.23
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0.60-0.90
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≤0.030
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≤0.030
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≤0.20
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——
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Cr:0.90-1.20
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ML40Cr
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5140
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0.38~0.45
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0.60~0.90
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≤0.030
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≤0.030
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≤0.20
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——
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Cr:0.90~1.20
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ML20MnTiB
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10B21
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0.19~0.24
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1.30~1.60
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≤0.030
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≤0.030
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≤0.30
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≥0.02
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Ti:0.04~0.10 B:0.0005~0.0035
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10B10
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10B10
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0.08~0.13
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0.30~0.60
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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B: 0.0008~0.0030
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10B18
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10B18
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0.08~0.13
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0.30~0.60
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≤0.030
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≤0.030
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≤0.10
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≥0.02
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B: 0.0008~0.0030
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10B20
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10B20
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0.18~0.23
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0.30~0.60
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≤0.030
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≤0.030
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0.15~0.35
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0.0008~0.0030
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AISI4140
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AISI4140
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0.38~0.43
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0.75~1.00
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≤0.030
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≤0.030
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0.15~0.35
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Cr:0.80~1.10 Mo:0.15~0.25
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注:鋼中殘余元素Cr、Ni、Cu各不大于0.20%;
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