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Cast Iron Electrode Castmat NiFe 2.5mm

Cast Iron Electrode Castmat NiFe 2.5mm

Part No. 925825

Our Price:

£81.98 inc VAT
£68.32 ex VAT

OK 92.58
SMAW
Type Basic-special high graphite

A nickel-iron-cored electrode for producing high strength welds when joining normal grades of cast iron, such as grey, ductile and malleable irons. The weld deposit has good ductility and is machineable.

OK 92.58 is recommended for the reclamation of faulty/damaged castings and the joining of castings to all cast or composite fabrications. Typical components are machine bases, engine blocks, gears and transmission housings.Deposition is performed on cold or slightly preheated cast iron. The weld metal is stronger and more resistant to impurities than the nickel-cored type.

When welding cast iron without preheat, the smallest electrode diameter and the lowest current should be used in order to limit the width of the heat affected zone. When welding thick sections and malleable irons, preheating to about 300C is advisable to minimise shrinkage stresses and cracking. During welding the joint can be lightly peened and on completion the workpiece should be allowed to cool slowly.

Welding current:

AC, DC+/- Min OCV 50 V

Packaging - VacPac

2.5mm x 300mm x 0.7Kgs

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ClassificationsApprovalsTypical all weld metal composition, %Typical mech. properties all weld metal
SFA/AWS A5.15
ENiFe-CI-A
EN ISO 1071
E C NiFe-Cl-A 1
Seproz UNA 272581
C1,5
Si0,7
Mn0,8
Ni51
Al1,4
Fe46
P0,006
S0,003
Tensile strength, MPa
375
Weld metal hardness, a w
180 HB
Machinability
Good
Redrying temperature, °C
200
Redrying time, hours
2
Recovery
105

Diameter, mm2,53,2
Length, mm300350
Welding current, A55-7575-100
N. Kg weld metal/kg electrodes0,700,70
B. No. of electrodes/kg weld metal9045
H. Kg weld metal/hour arc time0,60,9
T. Burn-off time, s/electrode7090
Weight of rods/box, kg1,63,2
Cast Iron Electrode Castmat NiFe Safety Data Sheet (MSDS)
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