Carbon steel electrode J506 / E7016 / E5016

Carbon steel electrode J506
In accordance with: GB E5016
Equivalent: AWS E7016

Carbon steel electrode J506

 

Instruction: J506 is lowhydrogen & kalium type coating carbon steel electrode, it has excellent mechanical properties and crack resistance, be suitable for AC&DC operation, and also has the capability for allposition welding work.

Application: For the welding of medium carbon steel, lowalloy steel such as 16Mn, 09Mn2Si,etc, and the A, B, D, E grade steel used in shipbuilding, also suitable for the alike strength structure of traffic, building, bridge, 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: (AC/DC+)

Diameter(mm)	2.5	3.2	4.0	5.0	5.8
Length(mm)	300	350	400	400	400
Current (A)	70110	100140	150180	180230	220260

   

Notice:

1. Before welding, the electrode should be dried for 1 hour at 350,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