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 Domestic-steel-plate >> Low-alloy-high-strength-steel >> Q345E
　
   　
Number:
 Q345E
Name:
 Q345E
Spec:
 Complete
Memo:
 Teng heavy industry and trade
Class:
 Domestic-steel-plate
 
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The Q345E The chemical composition

Implementation of the chemical composition of the new national standards GB/1591-2008 follows
Q345E Chemical composition s, b (mass fraction) /%
C ≤ 0.18
Si ≤ 0.50
Mn ≤ 1.70
P 0.025
S 0.020
Nb 0.07
V 0.15
Ti 0.20
Cr 0.30
Ni 0.50
Cu 0.30
N 0.012
Mo 0.10
B -
Als 0.015

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