AK-55M
Standard:
EN ISO 17632- A:T 46 4 P M21 1 H5
AWS A5.36 E71T1-M21 A2-CS1
GB/T 17493 E551T-1M
Description: It is a rutile-type seamless flux-cored wire, containing 1% Ni, and the deposited metal has ultra-low diffusible hydrogen content( ≤ 3ml/100g);the arc is soft and stable, with less spatter, beautiful shape, good slag removal performance, and excellent Welding process performance;excellent low temperature impact performance.
Application: It is suitable for welding of bridges, port machinery, shipbuilding, offshore platforms, LPG storage tank cryogenic equipment, etc. of the same strength level, such as welding of 1Ni steel, etc.
Typical Chemical Composition(%):
C:0.12 Mn:1.50 P:0.04 S:0.03 Si:0.8 Ni: 0.80-1.10 Cr：0.15 Mo：0.35
Typical Mechanical Properties(%):
Test Item Tensile strength (MPa) Yield Stress (MPa) Elongation (%) Impact values (J)
Standard 550-690 ≥470 ≥19 ≥27J/-30℃/-40℃/-60℃
Typical Value 606 540 25 142J/130J/92J
Recommended welding parameters:
1.2mm:20-32V / 180-300A
1.6mm:25-35V / 250-350A
