AWS E7015-C2L Low Temperature Steel Welding Electrode W107 Welding Rods Low Hydrogen Electrode ARC Stick Welding

W107 (AWS E7015-C2L) 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 -100°C.

Products Details

Low Temperature Steel Welding Electrode W107                                                          GB/T E5015-C2L AWS  A5.5 E7015-C2L  Description: W107 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 -100°C.  Application: Used for welding low temperature steel such as 3.5Ni.    Chemical composition of weld metal(%):

C

Mn

Si

Ni

S

P

≤0.05

≤1.25

≤0.60

3.00 ~ 3.75

≤0.020

≤0.025

  Mechanical properties of weld metal:

 

Test item

 

Tensile strength

Mpa

 

Yield strength

Mpa

Elongation%

Impact value (J)-100℃

 

Guaranteed

≥490

≥390

≥22

≥27

  Diffusion hydrogen content of deposited metal: ≤4.0mL/100g (glycerin method) or ≤7.0mL/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 ~ 90

90 ~ 130

140 ~ 180

180 ~ 240

    Notice:
  1. The electrode must be baked for 1 hour at 350℃ before welding operation;
  2. It is essential to clean up rusty, oil scale, water, and impurities on welding parts before welding;
  3. Try to use small line energy when welding, multi-layer and multi-pass welding.
 

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