Low Temperature Steel Welding Electrode W707 GB/T E5015-G AWS A5.5 E7015-G Description: W707 is a low-temperature steel electrode with low-hydrogen sodium coating. Use DCEP (direct current electrode positive) and can welded in all positions. The deposited metal still has good impact toughness at -70°C. Application: Used for welding low temperature steel such as 2.5Ni. Chemical composition of weld metal(%):

C	Mn	Si	Ni	S	P
≤0.08	≤1.25	≤0.60	2.00 ~ 2.75	≤0.020	≤0.025

Mechanical properties of weld metal:

Test item

Tensile strength

Mpa

Yield strength

Mpa

Elongation

Impact value (J)

-70℃

Guaranteed

≥490

≥390

≥22

≥27

Diffusion hydrogen content of deposited metal: ≤6.0mL/100g (glycerin method) or ≤10mL/100g (mercury or gas chromatography method) X-ray inspection: I grade Recommended current:

（mm）

Rod diameter

2.0

2.5

3.2

4.0

5.0

（A）

Welding Current

40 ~ 70

70 ~ 100

90 ~ 120

140 ~ 180

170 ~ 210

Notice: 1. The electrode must be baked for 1 hour at 350℃ before welding operation; 2. Try to use small line energy when welding, multi-layer and multi-pass welding.

AWS E7015-G Low Temperature Steel Welding Electrode W707 Low-Temperature Steel Stick Welding Rods

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