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公司基本資料信息
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成分
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C
|
Si
|
Mn
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P
|
S
|
Ni
|
Cr
|
Mo
|
Nb
|
Ti
|
B
|
|
Q690D
|
≤0.18
|
≤0.60
|
≤2.0
|
≤0.030
|
≤0.025
|
≤0.80
|
≤1.00
|
≤0.30
|
≤0.11
|
≤0.020
|
≤0.004
|
|
牌號
|
檢測項目
|
結(jié)果描述
|
結(jié)果或測定值
|
|
Q690D
|
Rp0.2
|
Mpa
|
≥640
|
|
Rm
|
Mpa
|
≥730
|
|
|
A50
|
%
|
≥14
|
|
|
180°冷彎
|
d=3a
|
完好
|
|
|
﹣20°C沖擊功
|
J
|
47
|
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