1.7230

Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Cr-Mo with Mo < 0.35%, Cr-Mo-B

Standard	Fe, %	Si, %	Mn, %	Cr, %	P, %	C, %	S, %	Mo, %
	96.685–98.25	< 0.6	0.5–0.8	0.8–1.2	< 0.025	0.3–0.37	< 0.02	0.15–0.3

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{0.2}$$, $$MPa$$	$$\epsilon_L$$, %	$$KV_{L}$$, $$J$$	Treatment
				moderate hardening	620–980	330–650	10–12	16–35

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)