EN 10088-1 X70CrMo15: Soft Annealed Grade for Cutting Tools & Industrial Applications

Material X70CrMo15 is comparable to X 65 CrMo 14 acc. to Key to steel 1995 and Register of European steels 1994. Hardenable steel for cutting tools, such as industrial butchers and centrifugal knives as well as for piston rings.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.7 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	215 GPa
	100.0 °C	212 GPa
	200.0 °C	205 GPa
	300.0 °C	200 GPa
	400.0 °C	190 GPa

Hardness, Brinell	20.0 °C	280 [-]
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Martensitic Stainless Steel
Shear modulus	23.0 °C	77 GPa	Typical for Martensitic Stainless Steel
Tensile strength	20.0 °C	900 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.05E-5 1/K
	200.0 °C	1.1E-5 1/K
	300.0 °C	1.1E-5 1/K
	400.0 °C	1.15E-5 1/K

Melting point		1370 - 1530 °C	Typical for Martensitic Stainless Steel
Specific heat capacity	20.0 °C	460 J/(kg·K)
Thermal conductivity	20.0 °C	30 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	6.5E-7 Ω·m

Chemical properties

Property	Value
Carbon	0.65 - 0.75 %
Chromium	14 - 16 %
Manganese	1 %
Molybdenum	0.4 - 0.8 %
Phosphorus	0.04 %
Silicon	0.7 %
Sulfur	0.015 %

EN 12163: Grade CuZn33 M – High-Strength Unhardenable Wrought Copper Alloy SEW 385 Ni42 Soft-Annealed Alloy (+A) – Low-Expansion, High-Performance Material

Metal