EN 12451 Grade CuZn28Sn1As O50

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Description

CuZn28Sn1As (CW706R former identification: CuZn28Sn1) is an unhardenable copper alloy. High hardness and strength parameter are achievable by cold forming only. Tin increases corrosion resistance and improves sliding qualities. CuZn28Sn1As is dezincification resistant and resistant to river and industrial water. Processing properties: warm forming: good cold forming: moderately machinability: moderately hard soldering: moderately soft soldering: very good TIG-welding: good burnishing: very good This special brass material is predominantly applicated in the form of tubes for freshwater carrying pipes or for heat-exchanger. To the operating conditions applies that the content of solute substances in cooling water is not allowed to exceed 0,1% and the pH-value for water is not allowed to decrease below 7,0. In the case of corrosion attack due to sedimentations tubes made of CW706R are more resistant than tubes of binary copper-zinc alloys. The material is applicable for water speeds up to 2m/s. Further application for bottoms and plates for condenser and other heat-transformer, ribbed tubes as well as for cooler in on shore appliances.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

Property	Temperature	Value
Densidad	20.0 °C	8.56 g/cm³ Show Material materials with Densidad of 8.56 g/cm³

Mecánica

Property	Temperature	Value
Dureza Vickers	20.0 °C	60 [-] Show Material materials with Dureza Vickers of 60 [-]
Elongación	20.0 °C	55 % Show Material materials with Elongación of 55 %
Límite elástico Rp 0,2	20.0 °C	100 MPa Show Material materials with Límite elástico Rp 0,2 of 100 MPa
Módulo de cizallamiento	20.0 °C	41 GPa Show Material materials with Módulo de cizallamiento of 41 GPa
Módulo elástico	20.0 °C	110 GPa Show Material materials with Módulo elástico of 110 GPa
Resistencia a la tracción	20.0 °C	320 MPa Show Material materials with Resistencia a la tracción of 320 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Calor específico	20.0 °C	377 J/(kg·K) Show Material materials with Calor específico of 377 J/(kg·K)
Coeficiente de dilatación térmica	200.0 °C	1.95E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.95E-5 1/K
Conductividad térmica	20.0 °C	109 W/(m·K) Show Material materials with Conductividad térmica of 109 W/(m·K)
Temperatura de fusión		875 - 1075 °C Show Material materials with Temperatura de fusión of 875 - 1075 °C	Typical for Wrought Copper Brass

Eléctrico

Property	Temperature	Value
Conductividad eléctrica	20.0 °C	1.41E+7 S/m Show Material materials with Conductividad eléctrica of 1.41E+7 S/m
Resistividad eléctrica	20.0 °C	7.1E-8 Ω·m Show Material materials with Resistividad eléctrica of 7.1E-8 Ω·m

Chemical properties

Property	Value
Arsénico	0.02 - 0.035 % Show Material materials with Arsénico of 0.02 - 0.035 %
Cobre	70 - 72.5 % Show Material materials with Cobre of 70 - 72.5 %
Estaño	0.9 - 1.3 % Show Material materials with Estaño of 0.9 - 1.3 %
Fósforo	0.01 % Show Material materials with Fósforo of 0.01 %
Hierro	0.07 % Show Material materials with Hierro of 0.07 %
Manganeso	0.1 % Show Material materials with Manganeso of 0.1 %
Níquel	0.1 % Show Material materials with Níquel of 0.1 %
Plomo	0.07 % Show Material materials with Plomo of 0.07 %

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