P355NL1/2钢板化学成分分析以及钢板力学性能
发布时间:2022-11-19
P355NL1/2钢板化学成分分析
牌号:P355NL1
C:≤0.18 Si:≤0.50 Mn:1.10-1.70
P:≤0.025 S:≤0.008 Alt:≥0.020
N:≤0.012 Cr:≤0.30 Cu:≤0.30
Mo:≤0.08 Nb:≤0.05 Ni:≤0.50
Ti:≤0.03 V≤0.10
牌号:P355NL2
P355NL2钢板碳含量C:≤0.20
P355NL2钢板硅含量Si:≤0.60
P355NL2钢板锰含量Mn:1.10-1.70
P355NL2钢板磷含量P:≤0.020
P355NL2钢板硫含量S:≤0.005
P355NL2钢板氮含量N:≤0.012
P355NL2钢板钒含量V:≤0.10
P355NL2钢板镍含量Ni:≤0.50
P355NL2钢板钼含量Mo:≤0.08
P355NL2钢板钛含量Ti:≤0.10
P355NL2钢板铬含量Cr:≤0.30
P355NL2钢板铜含量Cu:≤0.30
P355NL2铌含量Nb:≤0.05
P355NL1/2钢板力学性能:
牌号:P355NL1/2
屈服强度:≥355MPa;
抗拉强度:≥490-630MPa;
伸长率:≥22;
冲击功AKV(J)-20:≥30
PS:成品具体的化学成分应在钢厂材质书中注明。