AK-W907Ni
Standard:
EN ISO 2560-B:E 8015-2
AWS A5.5 E8015-C2
GB/T 5117 E5515-N7
Description: AK-W907Ni is a low-temperature steel electrode with a low-hydrogen sodium coating containing Ni, DC reverse
connection, and can be welded in all positions. The deposited metal still has good impact toughness at -90℃.
Application: Welding 3.5Ni low-temperature low-alloy steel structures working at –90℃.
Typical Chemical Composition(%):
C:0.12 Si:0.80 Mn:1.25 S:0.030 P:0.030 Ni:3.0-3.75
Typical Mechanical Properties(%):
Tensile strength (MPa) : ≥550
Yield Stress (MPa) : ≥460
Elongation (%) : ≥17
Impact values (J) : ≥27J/-90℃
Recommended welding parameters:
2.5mm: 60-100A
3.2mm: 80-130A
4.0mm: 140-200A
5.0mm: 180-240A
