DAIKOWM CuSn

GMAW
  • COPPER ALLOYS
Cu

Description

Tin bronze alloy solid wire
Oxygen-free copper alloy with alloyed elements such as silicon, tin and manganese suitable for copper alloys welding. The alloyed elements improve the weldability without reducing the electrical conductivity. Phosphorus and silicon have a deoxidizer action. Suitable for joining OF-copper and copper materials subject to high strain. Easily workable. In case of high thickness, it is recommended to preheat to 300 °C.
Specifications
EN ISO 24373
S Cu 1898 (CuSn1)
AWS A5.7
ERCu
DIN 1733
SG-CuSn
Shielding
I1, I3
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
Drums, B300, D200 and D100 spools.
Asme qualifications
F-No (QW432)
31
A-No (QW442)
-

Hardness

60HB
Chem. Comp. %
DEFAULT
Al
0.001
Sn
0.9
P
0.01
Si
0.01
Zn
0.01
Mechanical Properties
min
variant
Tensile strength Rm MPa
170
190
Yield strength Rp0.2 MPa
-
70
Elongation A (L0=5d0) %
0
33
Impact Charpy ISO-V
-
-
Impact Charpy ISO-V
-
-
Welding Parameters
1.0 mm
1.2 mm
Ampere
130A - 200A
185A - 245A
Voltage
24V - 28V
26V - 30V
Packaging
Ø 0,8÷1,6mm
Ø 0,8÷1,6mm
Packaging Type
Drums, B300, D200 and D100 spools.
Drums, B300, D200 and D100 spools.
Cu
Description

Application

This wire produces a deposit of deoxidized pure copper, ensuring maximum thermal and electrical conductivity. The main applications include plates for chemical plants and molds, distillers, radiators, rods and wires for electrical components, as well as tubes for heat exchangers. A preheating phase is necessary, except for very thin materials with thicknesses less than 3 mm. The required preheating varies: around 100 °C for a thickness of 6 mm, up to 400-500 °C for materials with a thickness of 15 mm.

Alloy Type

Deoxidized pure copper.

Microstructure

Single phase (fcc).

Materials

Oxygen free copper.

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