JIS Z3251 DF2A-250-R
Notes on Usage
Welding Positions:
1. Hardfacing large size cast steel and forging, low alloy steel and high carbon steel requires preheating at 150℃(302℉) and more than that.
2. The groove repairing is prone to slag inclusion. Adjust the holding angle of the electrodes.
3. Dry the electrodes at 70~100℃(158~212℉) for 60 minutes before use
Applications
JIS Z3251 DF2A-250-R. Hardfacing of rollers, gears, crane wheels and abrasive parts of various machines.
Characteristics on Usage
Very stable arc. Good covering property and excellent removability of slag. Beautiful bead finish and low spatter loss. Loss abrasivere sistance, medium impact resistance and fairly good cutting property
Typical Chemical Composition of All-weld Metal(wt%)
Typical Mechanical Properties of All-Weld Metal
Available sizes and Recommended Current