X12CrMnNiN17-7-5 (1.4372) Austenitic - Engineersfield

X12CrMnNiN17-7-5 (1.4372) Austenitic

Name Designation EN	X12CrMnNiN 17-7-5
Number	1.4372
AISI ASTM	201
Grades	Austenitic

Chemical Composition (Cast Analysis)
C	Si	Mn	Pmax	S	N	Cr	Mo	Ni	Others
≤0.15	≤1.00	5.50 to 7.50	0.045	≤0.015	0.05 to 0.25	16.00 to 18.00		3.50 to 5.50

Mechanical Properties
Thickness (Max)	Heat Treatment	Hardness (Max)		Proof Strength	Tensile Strength	Elongation after fracture		Impact Energy
[mm]		HRB	HB or HV	Rp 0.2 [MPa)	Rm [MPa]	A80mm [%] min	A [%] min	KV [J] min
[mm]				transverse		th < 3mm (tri & long)	th ≥ 3mm (tr. & long.)	long.	transv.
8	AT	90	241	350	750 – 950	45	45
13.5				330		40	40	100	60
75				330		45	45	100	60

Physical Properties
Density @ 20degC	Modulus of Elasticity 20⁰C	Mean Coefficient of Thermal Expansion 10^-6 xK^-1		Thermal Conductivity @ 20⁰C	Specific Heat @ 20⁰C	Electrical Resistivity @ 20⁰C
[kg/dm^3	[GPa]	20⁰C – 200⁰C	20⁰C – 400⁰C	[W/(mxK)]	[J/(kgxK)]	[Ωxmm^2/m]
7.8	200	15.7	17.5	15	500	0.7

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