LQ257 hardfacing wire

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LQ257

CLASSIFICATION

EN14700   DIN 8555
T Fe9          MF 7 200-KNP

 

CHARACTERISTICS

LQ257 is open arc or gas shielding flux cored wire, it is “hardfield” manganese type alloy, austenitic deposit is tough, crack free and work harden, keep cool during welding, do not preheating, keep interepass temperature as low as possible. Deposit can be multi-layered.


APPLICATION

Crushers, swing hammaers, manganese dredge components such as buckets and tumblers, railroad sections, bucket teeth and lips, repair manganese steel castings.


TYPICAL ALL WELD METAL ANALYSIS

C

Mn

Si

Cr

Fe

1.0

14

0.4

4.0

Bal.

Hardness: >200HB    Recovery: over 90%     Welding Position: Flat


PARAMETER

Diameter

Voltage

Amps

1.2mm

25-29V

180-280A

1.6mm

25-29V

220-300A

2.0mm

27-31V

250-350A

2.4mm

28-31V

300-400A

2.8mm

28-32V

350-450A


PACKING

1.6mm: 15kg/spool
Over 2.0mm:  25kg/Coil, 50kg/Coil 250kg/Drum


Product