AKM-100
Standard:
EN ISO 18276- A:T 89 4Mn2NiMo M M21 1
AWS A5.28 E120C-K4
GB/T 17493 E120C-K4
Description: The deposited metal has an ultra-low and seamless structure make the diffusible hydrogen content as low as 3ml/100g; the arc is soft and stable, with less spatter, beautiful shape, almost no slag, the least smoke and dust, and high deposition efficiency; Excellent low temperature impact performance.
Application: Suitable for welding of ultra-high strength stee.
Typical Chemical Composition(%):
C:0.15 Mn:0.75-2.25 P:0.025 S:0.025 Si:0.8 Ni: 0.50-2.50 Mo：0.15-0.65 Cr:0.15-0.65
Typical Mechanical Properties(%):
Test Item Tensile strength (MPa) Yield Stress (MPa) Elongation (%) Impact values (J)
Standard ≥1000 ≥890 ≥15 ≥27J/-20℃/-40℃/-50℃
Typical Value 1100 950 15 115J/78J/62J
Recommended welding parameters:
1.2mm:20-32V / 180-300A
1.6mm:25-35V / 250-350A
