AK-556NiCrCu
Standard:
EN ISO 2560-B E5516 G A
AWS A5.5 E8016-G
GB/T 5118-1995 E5516-G
Description: AK556NiCrCu is an ultra-low hydrogen and high toughness electrode with low hydrogen sodium type coating. It can be welded in all positions. It adopts DC reverse connection andhas good operation technology. The weld metal has good plasticity and toughness.
Application: For welding of important bridge corrosion-resistant steel Q420-NH.
Typical Chemical Composition(%):
C:0.10 Mn:1.60 P:0.025 S:0.020 Si:0.60 Cr:0.30-0.90 Ni:0.20-0.60 Cu: 0.20-0.40
Typical Mechanical Properties(%):
Test Item Tensile strength (MPa) Yield Stress (MPa) Elongation (%) Impact values (J)
Standard ≥540 ≥440 ≥22 ≥47J/-40℃
Typical Value 620 510 26 130
Recommended welding parameters：
0.8mm：F-70-110A / V(OH)-50-80A
1.0mm：F-100-140A / V(OH)-80-110A
1.2mm：F-140-180A / V(OH)-130-170A
