ENiCrFe-3 Welding Electrode
1. Description
ENiCrFe-3 is a low-hydrogen type Ni70Cr15 heat-resistant alloy electrode. Since the weld metal contains a certain amount of Mn and Nb alloy elements, the weld has good crack resistance. AC and DC, with good welding process performance, good operability, good all-position weldability.
2. Application
ENiCrFe-3 welding electrode is used for welding nickel-based alloys for heat and corrosion resistance. It can also be used for welding and surfacing of hard-to-weld alloys and dissimilar steels.
3. Standard
(1). GB/T13814 ENi6182
(2). AWS ENiCrFe-3
4. Weld metal chemical composition （%）
C
Mn
Fe
P
S
Si
Ti
Ni
Cu
Cr
Nb+Ta
Other
Standard Value
≤0.10
5.0-9.5
≤10.0
≤0.03
≤0.015
≤1.0
≤1.0
≥59
≤0.50
13.0-17.0
1.0-2.5
-
Example
0.04
6.80
6.00
0.01
0.01
0.40
0.20
68.10
0.10
16.00
2.00
≤0.50
5. Deposited Metal Mechanical Properties
|
|
Tensile Strength |
Elongation |
|
Standard Value |
≥550 |
≥30 |
|
Example |
625 |
39 |
6. Welding Rod Specification And Reference Current (DC OR AC)
Welding Rod Diameter (mm)
2.5
3.2
4.0
Welding Rod Length (mm)
250
350
350
Current Range (A)
Flat Welding
60-90
70-115
100-150
Vertical And Overhead Welding
50-80
65-110
90-130
7. Attention
(1). The electrode before welding shall be baked at 350 ° C for 1 hour before use and used with baking.
(2). Before welding, the weldment must be clear of rust, oil, moisture and other impurities.
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