1.5423 (16Mo5)

Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Mo, Nb, Ti, V, W

Standard	Fe, %	Si, %	Mn, %	P, %	C, %	S, %	Mo, %
	97.77–98.78	0.15–0.5	0.5–0.8	< 0.04	0.12–0.2	< 0.04	0.45–0.65

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$KU$ , $J$	Treatment
					450–590	> 265	< 21	> 41	After quenching and tempering or tempering

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