AK-707Q

Standard:

EN ISO 18275 B E 6918 N3M2 A

AWS A5.5 E10018M

GB/T 5118-1995 E7015-G

Description: AK707Q is an ultra-low hydrogen and high toughness electrode with low-hydrogen sodium type coating, which adopts DC reverse connection. All-position welding is possible, with good overall performance

Application:  lt is used for important low alloy seel bridge welding structures.

Typical Chemical Composition(%):

C:0.10    Si:0.6    Mn:1.0-2.0    S:0.015    P:0.020

Ni:0.8-1.7    Mo:0.10-0.40   

Typical Mechanical Properties(%):

Tensile strength (MPa) : ≥690

Yield Stress (MPa) :  ≥590

Elongation (%) :  ≥15J

Impact values (J)  :  ≥47J/-40℃

Recommended welding parameters: 

2.5mm:  F/H-70-110A    V/OH-50-80A

3.2mm:  F/H-90-130A    V/OH-80-110A

4.0mm:  F/H-140-180A  V/OH-130-170A

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