EN 12452 Grade CuZn20Al2As O60

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Description

CuZn20Al2As (CW702R former identification: CuZn20Al2) is an unhardenable copper alloy. High hardness and strength values are achievable by cold forming only. Strength properties, corrosion resistance and oxidation resistance are increasable by Al-addition. CuZn20Al2As is seawater and dezincification resistant, and insensitive to stress corrosion in stress-relieved condition. Processing properties: warm forming: moderately cold forming: moderately machinability: moderately hard soldering: moderately soft soldering: unfavorable TIG-welding: good burnishing: very good The material is predominantly suitable for smooth and ribbed tubes and for heat-exchanger in condenser construction as well as for seawater pipelines. It is due to its favorable corrosion and erosion behaviour a reliable material in cooling water with salinities of more than 0,2%, e.g. in brack and seawater at water speed up to 2,5 m/s. In the case of a natural protective oxide film damage occurs a self-healing process.

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	8.33 g/cm³ Show Material materials with Densidad of 8.33 g/cm³

Mecánica

Property	Temperature	Value
Dureza Brinell	20.0 °C	65 - 95 [-] Show Material materials with Dureza Brinell of 65 - 95 [-]
Dureza Vickers	20.0 °C	60 - 110 [-] Show Material materials with Dureza Vickers of 60 - 110 [-]
Elongación	20.0 °C	40 - 55 % Show Material materials with Elongación of 40 - 55 %
	100.0 °C	50 - 56 % Show Material materials with Elongación of 50 - 56 %
	150.0 °C	56 % Show Material materials with Elongación of 56 %
	200.0 °C	43 - 50 % Show Material materials with Elongación of 43 - 50 %
	250.0 °C	22 % Show Material materials with Elongación of 22 %
	300.0 °C	42 % Show Material materials with Elongación of 42 %
	400.0 °C	23 % Show Material materials with Elongación of 23 %
	500.0 °C	35 % Show Material materials with Elongación of 35 %

Estricción	100.0 °C	69 % Show Material materials with Estricción of 69 %
	150.0 °C	63 % Show Material materials with Estricción of 63 %
	200.0 °C	37 % Show Material materials with Estricción of 37 %
	250.0 °C	23 % Show Material materials with Estricción of 23 %
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Límite elástico Rp 0,2	20.0 °C	89 - 150 MPa Show Material materials with Límite elástico Rp 0,2 of 89 - 150 MPa
	100.0 °C	180 MPa Show Material materials with Límite elástico Rp 0,2 of 180 MPa
	150.0 °C	180 MPa Show Material materials with Límite elástico Rp 0,2 of 180 MPa
	200.0 °C	65 - 175 MPa Show Material materials with Límite elástico Rp 0,2 of 65 - 175 MPa
	250.0 °C	170 MPa Show Material materials with Límite elástico Rp 0,2 of 170 MPa
	300.0 °C	60 MPa Show Material materials with Límite elástico Rp 0,2 of 60 MPa
	400.0 °C	55 MPa Show Material materials with Límite elástico Rp 0,2 of 55 MPa
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Límite elástico Rp 1,0	100.0 °C	195 MPa Show Material materials with Límite elástico Rp 1,0 of 195 MPa
	150.0 °C	195 MPa Show Material materials with Límite elástico Rp 1,0 of 195 MPa
	200.0 °C	195 MPa Show Material materials with Límite elástico Rp 1,0 of 195 MPa
	250.0 °C	190 MPa Show Material materials with Límite elástico Rp 1,0 of 190 MPa
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Módulo de cizallamiento	20.0 °C	42 GPa Show Material materials with Módulo de cizallamiento of 42 GPa
Módulo elástico	20.0 °C	110 - 112 GPa Show Material materials with Módulo elástico of 110 - 112 GPa
	50.0 °C	110 - 130 GPa Show Material materials with Módulo elástico of 110 - 130 GPa
	100.0 °C	108 - 128 GPa Show Material materials with Módulo elástico of 108 - 128 GPa
	150.0 °C	107 - 126 GPa Show Material materials with Módulo elástico of 107 - 126 GPa
	200.0 °C	106 - 123 GPa Show Material materials with Módulo elástico of 106 - 123 GPa
	250.0 °C	105 - 120 GPa Show Material materials with Módulo elástico of 105 - 120 GPa
	300.0 °C	118 GPa Show Material materials with Módulo elástico of 118 GPa
	350.0 °C	115 GPa Show Material materials with Módulo elástico of 115 GPa
	400.0 °C	112 GPa Show Material materials with Módulo elástico of 112 GPa
	450.0 °C	109 GPa Show Material materials with Módulo elástico of 109 GPa
	500.0 °C	105 GPa Show Material materials with Módulo elástico of 105 GPa
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Resistencia a la tracción	20.0 °C	340 - 420 MPa Show Material materials with Resistencia a la tracción of 340 - 420 MPa
	100.0 °C	395 - 410 MPa Show Material materials with Resistencia a la tracción of 395 - 410 MPa
	150.0 °C	385 MPa Show Material materials with Resistencia a la tracción of 385 MPa
	200.0 °C	365 - 375 MPa Show Material materials with Resistencia a la tracción of 365 - 375 MPa
	250.0 °C	310 MPa Show Material materials with Resistencia a la tracción of 310 MPa
	300.0 °C	355 MPa Show Material materials with Resistencia a la tracción of 355 MPa
	400.0 °C	280 MPa Show Material materials with Resistencia a la tracción of 280 MPa
	500.0 °C	130 MPa Show Material materials with Resistencia a la tracción of 130 MPa
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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	1.85E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.85E-5 1/K
Conductividad térmica	20.0 °C	100 W/(m·K) Show Material materials with Conductividad térmica of 100 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	1.34E+7 S/m Show Material materials with Conductividad eléctrica of 1.34E+7 S/m
Resistividad eléctrica	20.0 °C	7.5E-8 Ω·m Show Material materials with Resistividad eléctrica of 7.5E-8 Ω·m

Chemical properties

Property	Value
Aluminio	1.8 - 2.3 % Show Material materials with Aluminio of 1.8 - 2.3 %
Arsénico	0.02 - 0.06 % Show Material materials with Arsénico of 0.02 - 0.06 %
Cobre	76 - 79 % Show Material materials with Cobre of 76 - 79 %
Fósforo	0.01 % Show Material materials with Fósforo of 0.01 %
Hierro	0.07 % Show Material materials with Hierro of 0.07 %
Magnesio	5E-3 % Show Material materials with Magnesio of 5E-3 %
Manganeso	0.1 % Show Material materials with Manganeso of 0.1 %
Níquel	0.1 % Show Material materials with Níquel of 0.1 %
Plomo	0.05 - 0.5 % Show Material materials with Plomo of 0.05 - 0.5 %

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