High Quality 7018ac - Z308  Pure nickel cast iron electrode GB / T 10044 EZNi-1 AWS ENi-C1 JIS DFCNi – Tianqiao

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High Quality 7018ac - Z308  Pure nickel cast iron electrode GB / T 10044 EZNi-1 AWS ENi-C1 JIS DFCNi – Tianqiao Detail:

APPLICATIONS:

It is suitable for the welding of thin pieces of cast iron welding and machining surfaces, such as cylinder heads, important gray cast iron engine blocks, gear boxes, and Machine Tool and soon.

CHARACTERISTICS:

THZ308 is pure nickel welding core, strong reduction of graphite type coating iron rod. It can be used in AC and DC dual purpose and is  easy to operate. When welding, it is not necessary for weldment to preheat. It has good crack resistance and processability.

RECAUTIONS:

1. Before welding, the electrodes need to be baked for 1 hour with the temperature of 150±10℃ before using.
2 It can eliminate welding stress and avoid crack by hammering the welding seam.
3. In order to reduce the impurity elements in the base metal penetration weld, narrow white band width, improve crack resistance and processing properties, it should use small current welding in cast iron cold welding.

Chemical Composition of the deposited metal(the mass fraction): %  

Elements

C

Si

Mn

S

Fe

Ni

The mass of other elements

Standard value

≤2.0

≤2.5

≤1.0

≤0.03

≤8.0

≥90

≤1.0

Welding reference current: (AC,DC+)

Electrode diameter(mm)

2.5

3.2

4.0

Welding current(A)

60-90

90-110

120-150

Welding distortion correction:

For deformation correction in hot state, mechanical correction and hammering are strictly prohibited in the range of blue brittle temperature (300℃~500℃) to avoid brittle cracks.

Pay attention to the following requirements when the flame is locally heated

It is not advisable to repeat heating at the same part to avoid changes in the metallographic structure and mechanical properties of the steel.

Do not cause repeated corrections of tension and compression in the same part.

For hardenable welded parts, watering and rapid cooling are strictly prohibited.

Welding parts that need to be annealed should be rectified before annealing to eliminate internal stress during annealing. During annealing, the welded parts must be placed steadily so as not to deform again.

The flame straightening heating temperature can be 700℃~850℃ (fuchsia), and should not exceed 900℃ (bright red) for low alloy structural steel.


Product detail pictures:

High Quality 7018ac - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

High Quality 7018ac - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

High Quality 7018ac - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

High Quality 7018ac - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures


Related Product Guide:
The composition of the welding electrode

We always think and practice corresponding to the change of circumstance, and grow up. We purpose at the achievement of a richer mind and body as well as the living for High Quality 7018ac - Z308  Pure nickel cast iron electrode GB / T 10044 EZNi-1 AWS ENi-C1 JIS DFCNi – Tianqiao, The product will supply to all over the world, such as: Moscow, Lebanon, Stuttgart, In order to carry out our goal of customer first and mutual benefit in the cooperation, we establish a specialist engineering team and a sales team to supply the best service to satisfy our customers' requirements. Welcome you to cooperate with us and join us. We have been your best choice.

  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Miguel from UK - 2018.02.21 12:14
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Elizabeth from Salt Lake City - 2018.10.09 19:07

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