EN 12451 CuZn28Sn1As R320 Alloy – Ideal for Heat Exchangers & Desalination Tubes
The material according this standard is used for seamless, round tubes for heat exchangers, condensers, evaporators and desalination equipment.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 8.56 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -253.0 °C | 119 GPa | |
-195.0 °C | 116 GPa | ||
-100.0 °C | 112 GPa | ||
20.0 °C | 108 - 110 GPa | ||
50.0 °C | 108 GPa | ||
100.0 °C | 108 GPa | ||
150.0 °C | 101 GPa | ||
200.0 °C | 94 GPa | ||
250.0 °C | 87 GPa | ||
Elongation | 20.0 °C | 55 % | |
Shear modulus | 23.0 °C | 40 GPa | Typical for Wrought Copper Brass |
Tensile strength | 20.0 °C | 320 MPa | |
Yield strength Rp0.2 | 20.0 °C | 100 MPa | |
Yield strength Rp1.0 | 20.0 °C | 105 MPa | |
50.0 °C | 105 MPa | ||
100.0 °C | 103 MPa | ||
150.0 °C | 100 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.7E-5 - 2.1E-5 1/K | Typical for Wrought Copper Brass |
Melting point | 875 - 1075 °C | Typical for Wrought Copper Brass | |
Specific heat capacity | 23.0 °C | 371 - 418 J/(kg·K) | Typical for Wrought Copper Brass |
Thermal conductivity | 20.0 °C | 109 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical conductivity | 20.0 °C | 1.41E+7 S/m |
Specific Electrical conductivity | 24 % IACS |
Chemical properties
| Property | Value |
|---|---|
Arsenic | 0.02 - 0.06 % |
Copper | 70 - 72.5 % |
Iron | 0.07 % |
Lead | 0.05 % |
Manganese | 0.1 % |
Nickel | 0.1 % |
Phosphorus | 0.01 % |
Tin | 0.9 - 1.3 % |
Metal
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