服务咨询热线
18963564888
服务咨询热线
18963564888
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标准
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牌号
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化学成分（%）
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C
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Si
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Mn
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P
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S
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Cr
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Ni
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Cu
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Mo
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V
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Al
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ASTM
A333
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Grade 1
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≤0.30
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0.40-1.06
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≤0.025
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≤0.025
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Grade 3
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≤0.19
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0.18-0.37
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0.31-0.64
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≤0.025
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≤0.025
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3.18-3.82
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Grade 4
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≤0.12
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0.18-0.37
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0.50-1.05
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≤0.025
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≤0.025
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0.44-1.01
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0.47-0.98
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0.40-0.75
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0.04-0.30
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Grade 6
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≤0.30
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≥0.10
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0.29-1.06
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≤0.025
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≤0.025
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Grade 7
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≤0.19
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0.13-0.32
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≤0.90
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≤0.025
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≤0.025
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2.03-2.57
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Grade 8
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≤0.13
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0.13-0.32
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≤0.90
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≤0.025
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≤0.025
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8.40-9.60
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Grade 9
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≤0.20
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0.40-1.06
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≤0.025
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≤0.025
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1.60-2.24
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0.75-1.25
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Grade 10
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≤0.20
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0.10-0.35
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1.15-1.50
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≤0.03
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≤0.015
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≤0.15
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≤0.25
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≤0.015
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≤0.50
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≤0.12
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≤0.06
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Grade 11
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≤0.10
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≤0.35
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≤0.6
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≤0.025
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≤0.025
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≤0.50
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35.0-37.0
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≤0.50
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电话：0635-2991778 
手机：18963564888、18963564777 
地址：山东聊城开发区汇通物流园区 