BC-D256
Product Application
● Welding of impact prone and wear-resistant parts such as crushers, rails, bulldozers, etc
Characteristics and advantages
● D256 is a low hydrogen potassium coating welding rod for surfacing welding
● The weld metal is austenitic high manganese steel
● Has the characteristics of work hardening, toughness, and wear resistance
● Dual use of AC and DC
● Hardness of deposited metal：HB≥170
Compliant with standards
● GB/T 984 EDMn-A-16
Chemical composition of deposited metal
| C | Si | Mn | Other | |
| Standard value | ≤1.10 | ≤1.30 | 11.0-16.0 | ≤5.00 |
| Example value | 0.8 | 0.50 | 13.30 | — |
Mechanical properties of deposited metal
| Welding Technology | Diameter（mm） | 2.5 | 3.2 | 4.0 | |
| length（mm） | 300 | 350 | 400 | ||
| Current（A） | 60-80 | 70-90 | 100-140 | ||
