DAIKOWT CuSn

GTAW
  • COPPER ALLOYS
Cu

Description

Tin bronze alloy rod
Oxygen-free copper alloy with alloying elements such as silicon, tin, and manganese, specifically for welding copper alloys. The alloying elements improve weldability without compromising electrical conductivity. Phosphorus and silicon serve a deoxidizing function. Suitable for joining copper and copper-based materials subjected to high stress. It is easy to work with. In the case of high thicknesses, preheating to 300 °C is recommended.
Specifications
EN ISO 24373
S Cu 1898 (CuSn1)
AWS A5.7
ERCu
DIN 1733
SG-CuSn
Shielding
I1
Positions
PA, PB, PC, PD, PE, PF
Current
DC-
Packaging Type
5kg carton tube
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
1.6 mm
2.4 mm
Ampere
110A - 150A
175A - 250A
Voltage
-
-
Packaging
Ø 1,6÷4,0 mm
Ø 1,6÷4,0 mm
Packaging Type
5kg carton tube
5kg carton tube
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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