●P275NH化学成份范围值:
注:实际化学成分以钢厂质保书为准。
C≤0.160%
Si≤0.400%
Mn0.800%-1.500%
P≤0.025%
S≤0.015%
Nb≤0.050%
V≤0.020%
Al≤0.02%
N≤0.012%
Cu≤ 0.300%
Cr≤0.300%
Ni≤0.500%
Ti ≤0.030%
Mo ≤0.080%
●P275NH力学性能范围值:
注:实际力学性能以钢厂质保书为准。
P275NH抗拉强度(σb/MPa):390-510
P275NH NH断后伸长率(δ5/%):≧24
P275NH冲击功Akv(J):-20 ≥ 30
P275NH试样尺寸:试样毛坯尺寸为18mm
●交货状态:热轧或正火+回火