Сталь  1.0426 / P280GH 

Химический состав стали 1.0426

Element	Min	Max
V	—	0.0200
Si	—	0.4000
S	—	0.0150
P	—	0.0250
Ni	—	0.3000
Nb	—	0.0100
Mo	—	0.0800
Mn	0.9000	1.5000
Cu	—	0.3000
Cr+Cu+Mo	—	0.5000
Cr	—	0.3000
C	0.0800	0.2000

 

Механические свойства стали 1.0426

 

Yield Rp0.2 (MPa)	Tensile Rm (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
534 (≥)	638 (≥)	24	21	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	434