1.6579

Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Cr-Ni-Mo with Mo < 0.4% + Ni < 0.2%

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	P, %	C, %	S, %	Mo, %
	94.225–96.13	< 0.6	0.6–1	1.4–1.7	1.4–1.7	< 0.025	0.32–0.38	< 0.02	0.15–0.35

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{0.2}$$, $$MPa$$	$$\epsilon_L$$, %	$$KV_{L}$$, $$J$$	Treatment
				moderate hardening	800–1050	650–800	10–12	30–45
				normalization				31

Parameter	Units of measurement	Description
$$\sigma_{0.2}$$	$$MPa$$	Tensile stress required to produce a total elongation of 0.2%
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength
$$\epsilon_L$$	%	Elongation at break (longitudinal)
$$KV_{L}$$	$$J$$	Impact energy (longitudinal)