GB/ T5117 E4315(J427) 1.Dc reverse connect, all position of welding 2.Plasticity, toughness, anti-cracking well

  1GB/ T5117 E4315(J427) carbon steel welding rod

Index

Melt the deposited metal chemical composition

C	Mn	Si	Cr	Ni	Mo	V	S	P
-	≤1.2	≤0.9	≤0.2	≤0.03	≤0.03	≤0.08	≤0.035	≤0.040

Melt the deposited metal mechanics performance

Test items	Tensile strength	The yield strength	Elongation	Impact   tapping
Guaranteed general results	≥420 450-530	≥330 ≥330	≥22 25-33	≥27 80-180

Melt the deposited metal diffusion hydrogen content:≤8.0mL/100(Glycerin method)

X-ray detection  1level

Reference current(DC)

Electrode diameter(mm)	2.5	3.2	4.0	5.0
The welding current(A)	60-90	90-120	140-180	170-210

 

Note:

1.   The welding rods should be baked around 1 hour s at 350 before use.

2.  It is good to remove the rust ,oil stain and water before use.

3.  Short arc and narrow welding line.

Low-sodium hydrogen drug skin carbon steel covered electrode E4315(J427)