OK 94.25

Electrode for welding copper and bronzes, especially tin-bronzes. It is also suitable for cladding steels and for smaller repair work of weldable cast irons.

Specifications

Specifications
Classifications	EN ISO 17777 : E Cu Z (CuSn7)

Welding Current	DC+
Alloy Type	Copper alloy
Coating Type	Basic

Typical Tensile Properties
Condition	Yield Strength	Tensile Strength	Elongation
ISO
As Welded	235 MPa	360 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	Efficiency (%)	Fusion time per electrode at 90% I max	Deposition Rate
2.5 x 350.0 mm	60-90 A	22 V	71 %	39 sec	1.2 kg/h
3.2 x 350.0 mm	90-125 A	24 V	72 %	40 sec	1.9 kg/h
4.0 x 350.0 mm	125-170 A	25 V	74 %	41 sec	2.9 kg/h

Ordering

Description

Product number

Product number: 94252530L0

Product number: 94253230L0

Product number: 94254030G0

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Factsheets

OK 94.25

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OK 94.25

Specifications

Ordering

Documents

Factsheets

Additional Documents

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