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... STEEL GRADE
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RANGE
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.SWCH6A
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2.0-20mm
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.SWCH8A
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2.0-20mm
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.SWCH10A
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2.0-20mm
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.SWCH15A
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2.0-20mm
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.SWCH18A
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2.0-20mm
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.SWCH22A
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2.0-20mm
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.SWCH35K
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2.00 以上
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SWCH45K
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2.00 以上
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SCM435
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2.0-32mm
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SCM440
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2.0-32mm
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.10B21
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2.0-32mm
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.10B33
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2.0-32mm
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| Carbon Steel Wire Rod for Cold Heading and Cold Forging |
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Class Symbol
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C
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Si
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Mn
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P max
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S max
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Others
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SWRCH6A
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≤0.08
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0.10 max
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≤0.6
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0.03max
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0.035max
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A1≥0.02
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SWRCH8A
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≤0.10
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0.10 max
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≤0.6
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0.03max
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0.035max
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A1≥0.02
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SWRCH10A
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0.08-0.13
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0.10 max
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0.30-0.60
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0.03max
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0.035max
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A1≥0.02
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SWRCH15A
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0.13-0.18
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0.10 max
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0.30-0.60
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0.03max
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0.035max
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A1≥0.02
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SWRCH18A
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0.15-0.20
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0.10 max
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0.60-0.90
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0.03max
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0.035max
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A1≥0.02
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SWRCH22A
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0.18-0.23
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0.10 max
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0.70-1.00
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0.03max
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0.035max
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A1≥0.02
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SWRCH35K
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0.32-0.38
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0.10-0.35
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0.6-0.9
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0.03max
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0.035max
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A1≥0.02
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SWRCH45K
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0.42-0.48
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0.10-0.35
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0.6-0.9
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0.03max
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0.035max
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A1≥0.02
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SCM435
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0.33-0.38
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0.15-0.35
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0.60-0.85
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0.03max
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0.03max
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Cr:0.90-1.20 Mo:0.15-0.30
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SCM440
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0.38-0.43
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0.15-0.35
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0.60-0.85
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0.03max
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0.03max
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Cr:0.90-1.20 Mo:0.15-0.30
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10B21
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0.18-0.23
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0.10 max
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0.71-1.00
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0.030
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0.035
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B:0.0005 min
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10B33
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0.32-0.36
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0.15-0.35
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0.70-1.00
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0.030
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0.035
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B:0.0005 min
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