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索引编号
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国别
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标准号
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牌号
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|
牌号
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C
|
Si
|
Mn
|
P
|
S
|
Pb
|
Cr
|
Mo
|
V
|
B
|
W
|
Co
|
其它
|
E001
|
中国
|
GB1298-86
|
T7
|
0.65~0.74
|
≤0.35
|
≤0.40
|
≤0.035
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≤0.030
|
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≤0.25
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|
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Cu≤0.30
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|
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Ni≤0.20
|
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日本
|
JIS G4401-83
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SK7
|
0.60~0.70
|
≤0.35
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≤0.50
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≤0.030
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≤0.030
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≤0.30
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|
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Ni≤0.25
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Cu≤0.25
|
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英国
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BS970Part1-
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060A67
|
0.65~0.70
|
0.15~0.35
|
0.50~0.70
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≤0.050
|
≤0.050
|
|
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|
|
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|
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1991
|
060A72
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0.70~0.75
|
0.15~0.35
|
0.50~0.70
|
≤0.050
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≤0.050
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|
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德国
|
DIN17350-80
|
C70W2
|
0.65~0.74
|
0.10~0.30
|
0.10~0.35
|
≤0.030
|
≤0.030
|
|
|
|
|
|
|
|
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法国
|
NF A35-590
|
C70E2U
|
0.65~0.74
|
0.10~0.30
|
0.10~0.40
|
≤0.020
|
≤0.020
|
|
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:1992
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|
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国际标准化
|
ISO4957:1980
|
TC70
|
0.65~0.74
|
≤0.35
|
≤0.40
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≤0.035
|
≤0.030
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|
|
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|
|
|
|
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组织ISO
|
|
|
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|
|
|
|
|
|
|
|
|
|
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E002
|
中国
|
GB1298-1986
|
T8
|
0.75~0.84
|
≤0.35
|
≤0.40
|
≤0.035
|
≤0.030
|
|
≤0.25
|
|
|
|
|
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Cu≤0.30
|
|
|
|
|
|
|
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4.00~5.00
|
0.7 0~1.00
|
4.75~5.35
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|
11.5~13.0
|
4.50~5.20
|
|