1.0485 (21Mn6)

Country	Section	Category
Country	Section	Category
Germany	Non-alloy Steels	Steels with Average 0,12% =< C < 0,25% or 400 MPa = < Rm < 500 MPa

Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %
	97.48–98.85	< 0.6	1.15–1.6	< 0.045	< 0.23	< 0.045

Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$KU$$, $$J$$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$$\sigma _{U}$$, $$MPa$$	$$\sigma_{Y}$$, $$MPa$$	$$\epsilon_L$$, %	$$KU$$, $$J$$	Treatment
					510–650	> 335	< 19	> 31	After quenching and tempering or tempering

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$$\sigma_{Y}$$	$$MPa$$	Yield strength
$$\sigma _{U}$$	$$MPa$$	Ultimate tensile strength
$$\epsilon_L$$	%	Elongation at break (longitudinal)
$$KU$$	$$J$$	Impact energy