16MnCr5 | 1.7131 - assemblean

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Materials

16MnCr5 | 1.7131

16MnCr5 bzw. 1.7131 is a alloyed case-hardening steel for parts requiring a hard surface layer and a tough core.
The material is commonly used for gears, shafts and heavily loaded drive components where wear resistance and core toughness are both required.
With good machinability and suitability for case hardening, 16MnCr5 is a classic material in machine and transmission engineering.

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Materials

Normen und Bezeichnungen

Steel designation	EC	Material No.	AISI
16MnCr5	80	1.7131	5115

Materials

Chemische Zusammensetzung

%	C	Mn	Cr	Si	Mo	P	S
min.	0,14	1,0	0,80	-	0,15	-	-
max.	0,19	1,3	1,1	0,40	0,30	0,025	0,035

Materials

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Materials

Physikalische Eigenschaften 20°C

Density kg/dm³	Electrical resistivity (Ω mm2)/m	Thermal conductivity W/(m K)
7,81	0,12	41

Specific heat capacity J/kg K	Magnetizability
430	★★★

Materials

Mechanische Eigenschaften 20°C

Hardness HB	Yield strength Rp N/mm²	Tensile strength Rm N/mm²
179	440 - 635	640 - 1180

Impact energy KV2 in J	Elongation at break	Elastic modulus KN/MM²
≥ 30	9 - 11	210

Materials

Warmumformbarkeit

Soft annealing	Stress-relief anneal	(Core) hardening	Tempering	Carburizing	Case hardening (powder/bath)
650 - 700°C	650 - 680°C	860 - 890°C	200 - 550°C	880 - 980°C	870 - 930°C