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E81T1-Ni1C/M H4
AWS A5.29: E81T1-Ni1M-JH4
AWS A5.36 E81T1-M21A6-Ni1-H4,
Description：
E81T1-Ni1 is designed for gas-shielded flux cored welding of low alloy steels that require good toughness at low temperatures. This alloy is excellent for single and multiple pass, all positional welding with good operation properties like easy slag removal, stable arc, less smoke and spatter etc. Welding for 500MPa grade high strength structural steel, like vessels, machine manufacturing, petrochemical industries and structural bridges etc.
Welding Position:
Diameters:
1.0mm, 1.2mm, 1.4mm, 1.6mm.
Typical Mechanical Properties:
Tensile strength(MPa): |
610 |
Yield strength(MPa): |
530 |
Elongation(%): |
25 |
Impact values(≥27J/-30℃): |
103 |
Typical Chemical Compositon:
C |
Mn |
P |
S |
Si |
Ni |
Cr |
Mo |
V |
0.055 |
1.35 |
0.012 |
0.007 |
0.40 |
1.01 |
-- |
-- |
-- |
Welding Current:(DC+)
Diameter(mm) |
1.0 |
1.2 |
1.4 |
1.6 |
|
Current/A |
60-200 |
80-300 |
150-400 |
180-450 |
|
Voltage/V |
15-25 |
15-32 |
20-40 |
22-42 |
|
Gas speed/(L/Min) |
20-25 |
20-25 |
20-25 |
20-25 |
|
Note:
1.Shield gas: 80% Ar + 20% CO2
Wire extension length: 15-25mm
Thermal input: 0.8-1.8KJ/mm, thick plate welding should be preheat.
Rusty, oil stains, water and other impurity on the weld parts must be cleaned before welding.
Stock in dry environment, please use up in short time once opened.
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