DAIKOWT CuSn

GTAW
  • COPPER ALLOYS
Cu

Description

Tin bronze alloy solid rod
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
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

It generates a deoxidized pure copper deposit, ensuring optimal thermal and electrical conductivity. Common applications encompass plates for chemical plants and molds, as well as stills, calorifiers, rods, and wires for electrical components, along with tubes for heat exchangers. With the exception of very thin materials (<3mm thick), a preheat becomes necessary. The specified preheat varies, ranging from approximately 100°C for 6mm thick materials to around 400/500°C for materials measuring 15mm in thickness.

Alloy Type

Deoxidized pure copper.

Microstructure

Single phase (fcc).

Materials

Oxygen free copper.

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