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