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Stanley 638Unique "Bi-metal" core ferro nickel electrode with extra strong arc drive to penetrate contaminants
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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.
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Overview |
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Specifications |
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APPLICATIONS:
For joining of all weldable cast iron grades to themselves or to low carbon steel alloys..
MICROSTRUCTURE:
Consists of an iron-nickel- austenite with finely distributed graphite.
FLUX COLOR: Black
TYPICAL MECHANICAL PROPERTIES:
Undiluted Weld Metal
Tensile strength
Yield strength
Elongation
Impact Energy
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Maximum Value Up to:
76,000 psi (525 N/mm2 )
53,000 psi (370 N/mm2 )
29%
Rockwell B 87-90, Brinell 179
Vickers 197 |
RECOMMENDED CURRENT: DC reverse (+) or AC
RECOMMENDED AMPERAGE SETTINGS:
| 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 POSITION: Flat, Vertical up, Vertical down, Horizontal, Overhead
DEPOSITION RATES:
Diameter
(mm) |
Length
(mm) |
Weldmetal/
Electrode |
Electrodes per lb
(kg) of Weldmetal |
Arc Time of
Deposition
min/lb (kg) |
Amperage
Setting |
| 3/32 (2.5) |
12" (300) |
.44oz (13g) |
36 (80) |
45 (100) |
70 |
| 1/8 (3.25) |
14" (350) |
.76oz (21g) |
21 (47) |
22 (49) |
90 |
| 5/32 (4.0) |
14" (350) |
1.07oz (31g) |
15 (32) |
20 (45) |
120 |
WELDING TECHNIQUES:
Guide the electrode at a steep angle keeping the arc length short. Use short staggered beads when welding restrained parts.
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 |
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Overview |
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Specifications |
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Email to a Friend |
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