SK 820-O high alloyed steels
Classifications open arc metal cored wire
DIN 8555
MF 10-GF-60-G
Characteristics
Hardfacing Chromium carbide alloy recommended for applications combining moderate
stress abrasion with moderate impact. The deposit will readily show stress relief cracks.
Microstructure: Primary carbides and eutectic carbides, austenite
Machinability: Grinding only
Oxy-acetylene cutting: Cannot be flame cut
Deposit thickness: 2 to 3 layers maximum
Field of use
Wear plates, screw conveyors, shovel bucket teeth and lips, etc.
Typical analysis in %
C Mn Si Cr B Fe
4,0 0,1 0,1 20,0 0,45 balance
Typical mechanical properties
Hardness as welded: 59 HRC
Form of delivery and recommended welding parameters
Wire diameter (mm) Amperage Voltage Stick-Out
1,2 120 – 150 26 – 30 35 – 40
1,6 150 – 250 26 – 30 35 – 40
