Сталь  1.2746 / 45NiCrMoV16-6 

Химический состав стали 1.2746

  

C	Si  ≤	Mn  ≤	P ≤	S ≤	Cr	Ni	Mo	Other
0.41-0.49	0.15-0.35	0.60-0.80	0.025	0.020	1.40-1.60	3.80-4.20	0.73-0.85	V   0.45-0.55

Механический свойства стали 1.2746

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)
288 (≥)	243 (≥)	44	32	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	424