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INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.4 E 307-26
EN 1600: E 18 8 Mn R 73X
DIN 8556: E 18.8 Mn MPR 33 160
ISO 3581: E 18.8 Mn R 73X
NFA 81-343: EZ 18.8 MnR 160 33 X
FEATURES & APPLICATIONS |
For joining and repairing steel and manganese steel parts used throughout the railroad, construction, and related industries.
- Impact resistant electrode for joining and surfacing steels.
- Extra high strength welds.
- Welds do not spall.
- Outwears ordinary hardfacing alloys in impact conditions as much as 10 to 1.
All Weld Metal Analysis (Typical Weight %) |
Microstructure: Austenite plus ferrite.
Flux Color: Grey
|
C |
P |
S |
Mn |
Si |
Cr |
Ni |
Mo |
Fe |
|
.09 |
.03 |
.01 |
4.3 |
.3 |
21.5 |
9.8 |
1 |
bal |
Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength 119,000 PSI (830 MPa)
Yield Strength 72,000 PSI (500 MPa)
Elongation 41%
Hardness Brinell 200, Rockwell C10
Work Hardness Brinell 520, Rockwell C50
Welding Current & Instructions |
Recommended Current: DC Reverse (+) or AC
| Diameter (mm) |
1/8 (3.25) |
5/32 (4.0) |
3/16 (5.0) |
| Minimum Amperage |
90 |
120 |
165 |
| Maximum Amperage |
150 |
210 |
270 |
Welding Techniques: Do not pre-heat. Use the lowest possible amperage and move the
electrode as quickly as feasible. Allow to cool slowly.
Welding Positions: Flat, horizontal, vertical up
Deposition Rates:
|
Diameter (mm) |
Length (mm) |
Weldmetal/ Electrode |
Electrodes per lb (kg) of Weldmetal |
Arc Time of Deposition min/lb (kg) |
Amperage Settings |
Recovery Rate |
|
1/8 (3.25) |
14″ (350) |
.94 oz. (26g) |
17 (37) |
22 (49) |
115 |
160% |
|
5/32 (4.0) |
14″(350) |
1.8 oz (50g) | 9 (19) |
16 (35) |
150 |
160% |
|
3/16 (5.0) |
14″ (350) |
2.7 oz (75g) |
6 (14) |
11 (25) |
210 |
160% |
APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) |
3/32 (2.5) |
1/8 (3.25) |
5/32 (4.0) |
| Length (mm) |
14″ (350) |
14″ (350) |
14″ (350) |
| Electrodes / lb |
9 |
6 |
4 |
| Electrodes / kg |
20 |
13 |
9 |