DAIKOWM CuSn9

GMAW
  • COPPER ALLOYS
CuSn

Description

Tin bronze alloy solid wire
This wire rod is intended for build-up welding on cast iron, particularly suitable for welding deep drawing sheets like body sheets. Its good flow characteristics allow it to be used for closing large welding gaps, especially highly recommended for furnace brazing. Suitable for example bronze with 10-12% Sn, copper-zinc alloys, copper tin zinc-lead alloys and cast alloys. Weld surfacing on cast iron. Preheating of the base material is usually not required. Pulsed argon arc welding is recommended for multilayer hard facing on steel.
Specifications
EN ISO 24373
S CuSn10MnSi (Cu 5211)
DIN 1733
-
Shielding
I1, I3
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
Drums, B300, D200 and D100 spools.

Hardness

115HB
Chem. Comp. %
DEFAULT
Mn
0.25
Al
0.001
Sn
9.5
P
0.01
Si
0.25
Fe
0.01
Zn
0.01
Pb
0.01
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
290
Yield strength Rp0.2 MPa
-
130
Elongation A (L0=5d0) %
-
14
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.Drums, B300, D200 and D100 spools.
product.packaging_types.product.packaging_types.product.packaging_types.Drums, B300, D200 and D100 spools.
CuSn
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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