1.1165 (GS-30Mn5)

Country	Section	Category
Germany	Non-alloy Special Steels	Structural Pressure Vessel and Engineering Steels with C < 0,5%

Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %
	97.215–98.55	< 0.6	1.2–1.8	< 0.035	0.25–0.32	< 0.03

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{0.2}$$, $$MPa$$	$$\epsilon_L$$, %	$$KV_{L}$$, $$J$$	Treatment
				normalization	520–670	260	18	27
				moderate hardening	600–850	450–550	10–14	31–35

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)