EN 12168 Grade CuZn37Mn3Al2PbSi – H150 Unhardenable Copper Alloy with Superior Strength and Corrosion Resistance

CuZn37Mn3Al2PbSi (CW713R former CuZn40Al2) is an unhardenable copper alloy. High hardness and strength parameter are achievable by cold forming only. Strength properties, corrosion resistance and oxidation resistance are increasable by Al-addition. CuZn37Mn3Al2PbSi shows a high wear resistance and is favorable resistant to atmospheric corrosion, to low aggressive water and gas, insensitive to oil corrosion. Processing properties: warm forming: very good cold forming: unfavorable machinability: moderately hard soldering: moderately soft soldering: unfavorable TIG-welding: moderately burnishing: very good Application for construction parts in machine engineering, for friction bearings, valve guides, transmission parts and piston rings.

Properties

General

Property	Temperature	Value
Density	20.0 °C	8.1 - 8.12 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	93 GPa
Hardness, Brinell	20.0 °C	150 - 220 [-]
Hardness, Vickers	20.0 °C	160 - 210 [-]
Shear modulus	23.0 °C	40 GPa	Typical for Wrought Copper Brass
Tensile strength	20.0 °C	540 MPa
Yield strength Rp0.2	20.0 °C	280 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.95E-5 1/K
	300.0 °C	2.04E-5 1/K

Melting point		875 - 1075 °C	Typical for Wrought Copper Brass
Specific heat capacity	20.0 °C	377 J/(kg·K)
Thermal conductivity	20.0 °C	63 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	20.0 °C	7.80E+6 S/m
Specific Electrical conductivity		13 - 13.4 % IACS

Chemical properties

Property	Value
Aluminium	1.3 - 2.3 %
Copper	56.5 - 59 %
Iron	1 %
Lead	0.2 - 0.8 %
Manganese	1.4 - 3 %
Nickel	1 - 2 %
Silicon	0.3 - 1.3 %
Tin	0.4 - 0.5 %

EN 10272 X17CrNi16-2 Stainless Steel – Quenched & Tempered (QT800) for Pressure Vessel Rods EN 12164 Grade CuZn37Mn3Al2PbSi H170 – High-Strength, Corrosion-Resistant Copper Alloy

Metal