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