factory customized E70 Electrode - Z308 Pure nickel cast iron electrode GB / T 10044 EZNi-1 AWS ENi-C1 JIS DFCNi – Tianqiao
factory customized E70 Electrode - 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:
Related Product Guide:
The composition of the welding electrode
We stick to our enterprise spirit of Quality, Performance, Innovation and Integrity. We purpose to create a lot more price for our prospects with our rich resources, innovative machinery, experienced workers and great products and services for factory customized E70 Electrode - 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: luzern, Belgium, Venezuela, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy you with our high-quality products and perfect service . We also warmly welcome customers to visit our company and purchase our products.
By Daniel Coppin from Provence - 2017.08.15 12:36
Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.
By Quyen Staten from Ukraine - 2017.12.09 14:01
