PRIMACORE® MW-71 is designed specifically for use with mixed gas in welding 490N/mm2 tensile steels.It is suitable for the following applications:general fabrication,heavy equiment fabrication,offshore drilling rig construction,shipbuilding,and bridge fabrication
- AWS A5.20/ ASME SFA-5.20: E71T-1M & E71T-9M
- AWS A5.36 E71T1-M21A2-CS1
- JIS Z3313: T493T1-1MA-H10
Literature
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- Excellent mechanical properties
- Designed specifically- for use with mixed gas
- Smooth, spray-like metal transfer
- Minimal spatter
- Excellent slag removal
- Manufactured under a quality system certified to ISO 9001 and JIS requirements
- Drum packaging is available
| PRIMACORE®
MW-71 |
C% |
Mn% |
Si% |
S% |
P% |
|
Requirements AWS E71T-1M/9M Max |
0.12 |
1.75 |
0.90 |
0.03 |
0.03 |
|
Test results 75-80%Ar/Balance CO2 |
0.06 |
1.37 |
0.51 |
0.008 |
0.017 |
| PRIMACORE®
MW-71 |
Yield Strength MPa |
Tensile Strength MPa |
Elongation % |
CVN Impact(J) |
|
|
@-20℃ |
@-30℃ |
||||
|
Requirements AWS E71T-1M/9M |
Min390 |
490-670 |
Min22 |
Min27 |
Min27 |
|
Typical Values 75-80%Ar/Balance CO2 |
560 |
600 |
25.5 |
199 |
171 |
|
Diameter(mm) |
Spool/Drum Weight(kg) |
Pallet Weight(kg) |
|
1.2 1.6 1.2 1.6 1.2 1.6 |
15 15 225 200 300 350 |
1080 1080 900 800 600 700 |
|
Diameter Polarity CTWD mm(inches) |
Wire Feed Speed m/min(in/min) |
Voltage(V) |
Approx.Current(A) |
Melt-Off Rate(kg/hr) |
Deposition Rate Kg/hr |
|
1.2mm DC+ 20mm(3/4) |
175(445) 225(572) 275(699) 325(826) 375(953) 425(1080) 475(1207) 600(1524) |
21-24 23-25 25-27 26-29 27-29 28-30 29-31 31-33 |
130 165 185 200 230 250 270 310 |
1.8 2.4 2.9 3.4 4.0 4.5 5.0 6.2 |
1.5 1.9 2.4 2.9 3.3 3.7 4.2 5.3 |
|
1.6mm DC+ 25mm(63/64) |
130(330) 150(381) 200(508) 250(635) 300(762) |
22-25 23-26 24-27 26-29 28-31 |
180 210 265 305 450 |
2.6 3.0 3.9 4.9 5.8 |
2.2 2.5 3.2 4.1 4.9 |
