Cu - Alloy (bronze) are alloys based on copper with aluminum, tin or silicon, often with alloying elements of iron, nickel and manganese. These alloys are mainly used in shipbuilding, mining, pulp and paper industry and the chemical industry, wherever a wear-resistant, low friction weld surface is required.
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Chemical composition (average values in % of the welding consumable)
Mechanical properties of the untreated weld material (average values) at room temperature [20°C]
ALUNOX | Mat. No. | Tensile Strength Rm (N/mm²) | Yield Strength (N/mm²) | Stretching limit % | Hardness HB |
---|---|---|---|---|---|
CnSn | 2.1006 | 220 | 30 | 60 | |
Cu Sn 6 | 2.1022 | 300 | 150 | 20 | 80 |
CuAl 8 | 2.0921 | 430 | 200 | 40 | 100 |
CuSi 3 | 2.1461 | 360 | 150 | 40 | 80 |
CuSn 12 | 2.1056 | 350 | 200 | 30 | 100 |
CuAl 8 Ni 2 | 2.0922 | 530 | 270 | 30 | 140 |
CuAl 9 Ni 5 FE | 2.0923 | 500 | 380 | 10 | 150 |
CuAl 9 Fe | 2.0937 | 430 | 200 | 40 | 100 |
CuAg | 2.1211 | 220 | 680 | 18 | 60 |