qh_chung2-05_master-8

qh_chung1-09_master-3

OK 94.25

Electrode for welding copper and bronzes, especially tin bronzes. It is also suitable for cladding steels and for small-scale repair work in weldable cast irons. For the repair and construction of parts in casting such as: – valves – pumps – housings – bearing surfaces.

SKU: CuSn7-1 Categories: Copper Welding, Repair Welding

Description

Typical Tensile Properties

ISO *As welded*
Elongation	Tensile Strength	Yield Strength
25 %	330-390 MPa	235 MPa

Typical Charpy V-Notch Properties

ISO *As welded*
Impact Value	Testing Temperature
25 J	20 °C
20 J	0 °C

Typical Weld Metal Analysis %

Mn	Cu	Sn
0.4 %	93 %	6.5 %

Deposition Data

Diameter	Current	Deposition Rate	Fusion time per electrode at 90% I max	kg weld metal/kg electrodes	Number of electrodes/kg weld metal	Voltage
2.5 x 350 mm	60-90 A	1.20 kg/h	39 sec	0.71 kg	77.0	22 V
4.0 x 350 mm	125-170 A	2.90 kg/h	41 sec	0.74 kg	30.5	25 V
3.2 x 350 mm	90-125 A	1.90 kg/h	40 sec	0.72 kg	46.0	24 V

Approvals:	Seproz, UNA 272581
Classifications:	EN ISO 17777, E Cu Z (CuSn7)

Approvals are based on factory location. Please contact ESAB for more information.

Alloy Type:	Copper alloy
Coating Type:	Basic
Welding Current:	DC+