2020 High quality 309 Rod - Z308  Pure nickel cast iron electrode GB / T 10044 EZNi-1 AWS ENi-C1 JIS DFCNi – Tianqiao

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2020 High quality 309 Rod - 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:

2020 High quality 309 Rod - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

2020 High quality 309 Rod - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

2020 High quality 309 Rod - Z308  Pure nickel cast iron electrode  GB / T 10044 EZNi-1 AWS ENi-C1    JIS DFCNi – Tianqiao detail pictures

2020 High quality 309 Rod - 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

Our eternal pursuits are the attitude of regard the market, regard the custom, regard the science as well as theory of quality the basic, have faith in the initial and administration the advanced for 2020 High quality 309 Rod - 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: London, Denver, Comoros, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Rita from Lyon - 2018.10.09 19:07
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Jocelyn from Botswana - 2018.06.28 19:27

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