DAIKOWM CuSn12

GMAW
  • COPPER ALLOYS
CuSn

Description

Tin bronze alloy solid wire
This wire rod is used for welding a range of copper base alloys to themselves and to carbon steels or cast irons. The higher tin content increases strength and wear resistance and increases the solidification temperature range during deposition of the weld metal (lower preheating to about 200°C is required). Also suitable for weld overlays on steel component. Not suitable for stainless steels because Cr pick‐up cause embrittlement.
Specifications
EN ISO 24373
S CuSn12P (Cu 5410)
DIN 1733
SG-CuSn12
Shielding
I1, I3
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
Drums, B300, D200 and D100 spools.

Hardness

120HB
Chem. Comp. %
DEFAULT
Al
0.001
Sn
12.5
P
0.2
Zn
0.01
Pb
0.01
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
320
Yield strength Rp0.2 MPa
-
140
Elongation A (L0=5d0) %
-
5
Impact Charpy ISO-V
-
-
Impact Charpy ISO-V
-
-
Welding Parameters
1 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
product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.Drums, B300, D200 and D100 spools.
product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.product.packaging_types.Drums, B300, D200 and D100 spools.
Description

Application

CuSn is used for welding a wide range of copper-based alloys, both with each other and with C-Mn steels or cast iron. It is also ideal for repair and joining of castings. When a low dilution is obtained, the material is suitable for overlays aimed at providing support surfaces and/or corrosion-resistant coatings on steel components, such as shafts and other mechanical parts. However, it is not suitable for stainless steels because the chromium released during the process can cause embrittlement. Tin bronze welding metal tends to stasis due to its wide melting range. Preheating to approximately 200 °C can improve fluidity in welding thick sections. To prevent hot cracking, it is advisable to keep the interpass temperature below 200 °C.

Alloy Type

Tin bronze alloy wire for welding similar tin bronze (phosphor bronze) alloys.

Microstructure

A multi phase copper base structure with complex eutectoids.

Materials

Tin bronze up to 10%Sn+0.5%P. Cu + 20-25%Sn. Cu + 40%Zn, manganese bronze.

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