OK 94.25

Mô tả

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.

Applications:

For the repair and construction of parts in casting such as:

• valves
• pumps
• housings
• bearing surfaces

 

Classifications:	DIN 1733:(EL-CuSn7)
Approvals:	Seproz UNA 272581

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

 

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

 

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
ISO
As welded	235 MPa	330-390 MPa	25 %

 

Typical Charpy V-Notch Properties
Condition	Testing Temperature	Impact Value
ISO
As welded	20 °C	25 J
As welded	0 °C	20 J

 

Typical Weld Metal Analysis %
Mn	Cu	Sn
0.4	93	6.5

 

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