PRIMACORE® LW-71H Plus is designed for use in welding 490N/mm2 tensile steels.It is suitable for the following types of applications:tank,offshore,shipbuilding,bridge fabrication,and others
- AWS A5.20/ASME SFA-5.20:E71T-12C-JH8
- AWS A5.36 E71T12-C1A4-CS2-H8
- JIS Z3313:T494T1-1CA-h5
Literature
Literature
- Robust impact values@-40℃
- Low hydrogen welds with high crack resistance
- Consistent properties at a wide range of heat inputs
- Slag system provides for puddle support,good wetting,and bead shape in all positions
- Arc action and metal transfer are smooth
- Slag removal is easily achieved with hand tools
- Manufactured under a quality system certified to ISO 9001 requirements
| PRIMACORE® LW-71H Plus |
C% |
Mn% |
Si% |
Ni% |
S% |
P% |
|
Requirements AWS Max |
0.12 |
1.60 |
0.90 |
0.50 |
0.03 |
0.03 |
|
Test results 100%CO2 |
0.04 |
1.30 |
0.45 |
0.41 |
0.005 |
0.015 |
|
PRIMACORE® LW-71H Plus |
Yield Strength MPa |
Tensile Strength MPa |
Elongation % |
CVN Impact(J)@-40℃ |
|
Requirements AWS |
Min390 |
490-620 |
Min22 |
Min27 |
|
Typical Values 100%CO2 |
490 |
560 |
29 |
120 |
|
Diameter(mm) |
Spool/Drum Weight(kg) |
Pallet Weight(kg) |
|
1.2 1.4 |
15 15 |
1080 1080 |
|
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(3/4in) |
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) |
150(381) 200(508) 250(635) 300(762) 350(889) 400(1016) 450(1143) |
23-25 24-26 25-27 26-28 27-29 28-30 29-31 |
150 190 225 240 275 300 325 |
2.0 2.6 3.3 4.0 4.6 5.3 6.0 |
1.7 2.2 2.8 3.6 3.7 4.5 5.1 |
