SK 400-O unalloyed, fine grained and low alloyed steels
Classifications open arc flux cored wire
DIN 8555
MF 1-GF-40-P
Characteristics
Open-arc wire designed for rebuilding and hardfacing of Carbon steel parts subjected to
adhesive wear with impacts.
Microstructure: Bainite + Martensite
Machinability: Good
Oxy-acetylene cutting: Cannot be flame cut
Deposit thickness: Depends upon application and procedure used
Field of use
Crawler tractor rollers and idlers, shafts, cylinders, mine car wheels, crane wheels.
Typical analysis in %
C Mn Si Cr Fe
0,13 0,7 0,6 2,4 balance
Typical mechanical properties
Hardness as welded: 40 HRC
Form of delivery and recommended welding parameters
Wire diameter (mm) Amperage Voltage Stick-Out
1,6 180 – 200 26 – 30 35 – 40
