Carbon steel electrode

Carbon steel electrode(HTJ507)
In accordance with: GB E5017
Equivalent: AWS E7017

Carbon steel electrode

 

Instruction: HTJ507 is lowhydrogen & natrium type coating carbon steel electrode, which has good plasticity, toughness and resistance to cracking . It has excellent welding performance, such as little splash, good welding seam, strong slag removability, and also has the capability for all-position welding work.

Application: For the welding of medium carbon steel, lowalloy steel such as 16Mn, and the A, B, D, E grade steel used in shipbuilding, also suitable for the steel structure of boiler, pressure vessel, pipes, etc.

 

Chemical composition of deposited metal(%)

C	Mn*	Si	S	P	Cr*	Ni*	Mo*	V*
	≤  1.60	≤ 0.75	≤   0.035	≤   0.040	≤ 0.20	≤ 0.30	≤ 0.30	≤ 0.08

The * elements total content ≤ 1.75%

 

Mechanical Properties of deposited metal:

Yield  Point (MPa)	Tensile Strength (MPa)	Elongation A(%)	-30 Impact Value Akv(J)
≥400	≥490	≥22	≥27

    

The coatings water content ≤ 0.6%

 

Xrays requirement to fault detection: grade.

 

Referenced Current: (DC+)

Diameter(mm)	2.0	2.5	3.2	4.0	5.0	5.8
Length(mm)	300	300	350	400	400	400
Current (A)	5080	70110	100140	140180	180230	220260

   

Notice:

1. The electrode should be dried for 1 hour at 350 prior to use, after that which shall be used as soon as possible.

2. The inclusion such as oil, rust, water, etc must be cleared from the weldment.

3. Adopt short arc operation, and bead welding method.