1.6563 (41NiCrMo7-3-2)

Classification

Country	Section	Category
Country	Section	Category
Germany	Structural, Pressure Vessel and Engineering Steels	Cr-Ni-Mo with Mo < 0.4% + Ni < 0.2%

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
Standard	Fe, %	Si, %	Mn, %	Cr, %	Cu, %	Ni, %	P, %	C, %	S, %	Mo, %
	94.86–96.52	< 0.3	0.6–0.9	0.7–0.9	< 0.25	1.65–2	< 0.025	0.38–0.44	< 0.025	0.15–0.3

Information on suppliers

Wish to advertise here?

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	$KV_{L}$ , $J$	$KV_{T}$ , $J$	Treatment
				annealing, carbide spheroidization	720			58
		< 8		moderate hardening	1150	950	9	50	35–45	25–27
		8–20		moderate hardening	1050	870	10
		20–50		moderate hardening	1000	800	11
		50–80		moderate hardening	900	750	12
		< 100		moderate hardening			16
		100–160		moderate hardening			15

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
		annealing, soft	248–255

Standards

Standard	Description
Standard	Description
EN 10263-4
EN 19269
EN 10297-1

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cr	%	Chrome
Cu	%	Copper
Ni	%	Nickel
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur
Mo	%	Molybdenum

Description of mechanical properties

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)
$\psi$	%	Reduction in cross section on fracture
$KV_{L}$	$J$	Impact energy (longitudinal)
$KV_{T}$	$J$	Impact energy (transverse)