Hardfacing wire LM552
views:18443
CLASSIFICATION
EN14700 DIN 8555
T Fe 7 MF 6-55-PT
CHARACTERISTICS
LM552 is submerged arc hardfacing flux cored wire, flux: HJ260/HJ107, deposit metal has high red hardness, excellent metal to metal wear resistance and tempering resistance. 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 |
Ni |
Mo |
V |
Fe |
|
0.4 |
0.6 |
1.0 |
9.0 |
4.0 |
1.0 |
1.0 |
Bal. |
Hardness: 54-60HRC Recovery: over 90% Welding Position: Flat
PARAMETER
|
Diameter |
Voltage |
Amps |
|
3.2mm |
28-32V |
350-500A |
PACKING
50kg/Coil, 250kg/Drum