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EN 12449 Grade CuZn38Pb2 H105 Copper Alloy Tubes – High-Quality, Seamless Round Tubes

Seamless, round tubes from copper alloy for general purposes.

Properties

General

Property	Temperature	Value
Density	20.0 °C	8.4 - 8.44 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	102 GPa
Hardness, Brinell	20.0 °C	100 - 135 [-]
Hardness, Vickers	20.0 °C	105 - 140 [-]
Poisson's ratio	20.0 °C	0.34 [-]
Shear modulus	23.0 °C	40 GPa	Typical for Wrought Copper Brass

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	2E-5 1/K
	300.0 °C	2.1E-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	109 - 110 W/(m·K)

Electrical

Property	Temperature	Value
Electrical conductivity	20.0 °C	1.39E+7 - 1.40E+7 S/m
Specific Electrical conductivity		24 % IACS

Chemical properties

Property	Value
Aluminium	0.05 %
Copper	60 - 61 %
Iron	0.2 %
Lead	1.6 - 2.5 %
Nickel	0.3 %
Tin	0.2 %

EN 10277‑4 Grade 20NiCrMoS₂‑2 – Soft Annealed & Cold Drawn Steel (+A+C) EN 10269 42CrMo4 Steel – Annealed for Spheroidized Carbides (+AC)

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