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INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.15 E NiFe-CI
DIN 8573: E NiFe-1 BG 21
ISO 1071: E NiFe
NFA 81-342: E NiFe BG 21
FEATURES & APPLICATIONS |
For joining of all weldable cast iron grades to themselves or to low carbon steel alloys.
- Unique “Bi-Metal” core Ferro Nickel electrode with extra strong arc drive to penetrate contaminants.
- Extra strong arc drive facilitates joining in all positions.
- High efficiency weld metal transfer totally eliminates electrode overheating.
- Excellent performance on poor quality porous castings.
All Weld Metal Analysis (Typical Weight %) |
Microstructure: Consists of an iron-nickel- austenite with finely distributed graphite.
Flux Color: Black
| C |
S |
Mn |
P |
Si |
Misc |
Cu |
Fe |
Al |
Ni |
|
1.9 |
.030 |
<2.3 |
— |
3.8 |
1 MAX |
2.3 |
<45 |
.97 |
Bal |
Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength 76,000 psi (525 MPa)
Yield Strength 53,000 psi (370 MPa)
Elongation 29%
Hardness Rockwell B 87-90, Brinell 179 Vickers 197
Welding Current & Instructions |
Recommended Current: DC Reverse (+) or AC
| Diameter (mm) 3/32 (2.5) 1/8 (3.25) 5/32 (4.0) |
| Minimum Amperage 50 70 100
Maximum Amperage 70 100 130 |
Welding Positions: Flat, Vertical up, Horizontal, Overhead
Welding Techniques: Guide the electrode at a steep angle keeping the arc length short. Use short staggered beads when welding restrained parts.
Deposition Rates:
|
Diameter |
Length |
Weldmetal/ |
Electrodes per |
Arc Time of |
Amperage |
|
3/32 (2.5) |
12″ (300) |
.44 oz (13g) |
36 (80) |
45 (100) |
70 |
|
1/8 (3.25) |
14″(350) |
.76 oz (21g) |
21 (47) |
22 (49) |
90 |
|
5/32 (4.0) |
14″ (350) |
1.07 oz (31g) |
15 (32) |
20 (45) |
120 |
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) |
3/32 (2.5) |
1/8 (3.25) |
5/32 (4.0) |
| Length (mm) |
12″ (300) |
14″ (350) |
14″ (350) |
| Electrodes / lb |
28 |
14 |
10 |
| Electrodes / kg |
62 |
32 |
22 |