Hardfacing wire LM551
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CLASSIFICATION
EN14700 DIN 8555
T Fe 7 MF 6-55-PT
CHARACTERISTICS
LM551 is submerged arc hardfacing flux cored wire, flux: HJ260/HJ107, deposit metal is chromium tungsten carbide, has excellent red hardness, metal to metal wear resistance at high temperature working condition, preheating and tempering are essential.
APPLICATION
Used for hardfacing pinch roller, Coiler assistant roller and hot rolling cogging roll
TYPICAL ALL WELD METAL ANALYSIS
|
C |
Mn |
Si |
Cr |
W |
Fe |
|
0.4 |
1.5 |
0.9 |
3.5 |
7.0 |
Bal. |
Hardness: 53-59HRC Recovery: over 90% Welding Position: Flat
PARAMETER
|
Diameter |
Voltage |
Amps |
|
3.2mm |
28-32V |
350-500A |
PACKING
50kg/Coil, 250kg/Drum