1.1133 (20Mn5)

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

Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Ni, %	Al, %	P, %	C, %	S, %	Mo, %
	96.88–98.81	< 0.4	1–1.5	< 0.4	< 0.4	> 0.02	< 0.035	0.17–0.23	< 0.035	< 0.1

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\epsilon_T$ , %	$R_{eH}$ , $MPa$	$\psi$ , %	$KV_{L}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\epsilon_T$ , %	$R_{eH}$ , $MPa$	$\psi$ , %	$KV_{L}$ , $J$	Treatment
		< 100		normalization	530	22	20	300	55	55
		100–250		normalization	520			280
		250–500		normalization	500			260
		500–750		normalization	490			250

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$\epsilon_T$	%	Elongation at break (transverse)
$R_{eH}$	$MPa$	Upper yield point
$\psi$	%	Reduction in cross section on fracture
$KV_{L}$	$J$	Impact energy (longitudinal)