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INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.4 E 385-16
EN 1600: E 20 25 5 Cu N L R 12
FEATURES & APPLICATIONS |
1178 is used for welding materials of similar chemical composition which are used for fabrication of equipment and vessels for handling of sulfuric acid and chloride containing media. This filler metal may also find applications for joining type 317L material where improved corrosion resistance in specific media is needed. In order to reduce the propensity for fissuring and hot cracking, the low melting constituents such as carbon, silicon, and phosphorus are controlled to lower levels in this alloy.
All Weld Metal Analysis (Typical Weight %) |
Flux Color: Grey
|
C |
Si | S | Cr | Mn | Ni | Mo | Cu | Fe |
|
.019 |
.70 | .019 | 20.3 | 2.0 | 25.4 | 4.6 | 1.6 | Bal. |
Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength: 88,000 PSI (607 MPa)
Yield Strength: 65,000 PSI (452 MPa)
Elongation: 37%
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 |
90 |
| Maximum Amperage |
85 |
110 |
135 |
Welding Techniques: Remove all surface contamination. Weld with a short arc and use stringer beads. Keep heat input to a minimum.
Welding Positions: Flat, Horizontal, Vertical up, Overhead
Deposition Rates:
| Diameter (mm) |
Length |
Weldmetal/ |
Electrodes per lb (kg) of Weldmetal |
Arc Time of Deposition min/lb (kg) |
Amperage Settings |
Recovery Rate |
| 3/32 (2.5) |
12″ (300) |
.53oz. (15g) |
23(50) |
17(37) |
70 |
100% |
| 1/8 (3.25)
5/32 (4.0) |
14″ (350) 14″ (350) |
1.8oz. (51g) 2.4oz (66g) |
12(26) 9 (20) |
13(29) 10(22) |
95 110 |
100% 100% |
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 |
23 |
12 |
10 |
| Electrodes / kg |
50 |
26 |
22 |