PRIMACORE® LW-70 is designed for use in welding 490N/mm2 tensile steels.It is suitable for the following applications:Shipbuilding,bridges,barge,machinery fabrication,general fabrication and steel structures,etc.
- AWS A5.20/ASME SFA-5.20:E70T-1C
- AWS A5.36 E70T1-C1A0-CS1
- JIS Z3313:T492T1-0CA-H10
Literature
Literature
- Excellent mechanical properties
- Slag system provides for puddle support,good wetting,and bead shape
- Arc action and transfer are smooth
- Good resistance to porosity when heavy scale or rust is present
- Designed for single and multiple pass
- Weld semiautomatic and automatic welding
- Manufactured under a quality system certified to ISO 9001 requirements
| PRIMACORE®
LW-70 |
C% |
Mn% |
Si% |
S% |
P% |
|
AWS:E70T-1C Requirements Max |
0.12 |
1.75 |
0.90 |
0.03 |
0.03 |
|
Typical Values 100%CO2 |
0.05 |
1.47 |
0.40 |
0.01 |
0.02 |
| PRIMACORE®
LW-70 |
Yield Strength MPa |
Tensile Strength MPa |
Elongation % |
CVN Impact(J@-30℃) |
|
AWS:E70T-1C Requirements |
≥390 |
490-670 |
Min22 |
Min27 |
|
Typical Values 100%CO2 |
520 |
585 |
30.5 |
136 |
|
Diameter(mm) |
Package Type |
Pallet Weight(kg) |
|
1.4 1.6 2.0 2.4 1.6 1.6 |
15kg Plastic Spools 15kg Plastic Spools 15kg Plastic Spools 15kg Plastic Spools 350kg Bulk Drum 200kg Bulk Drum |
1080 1080 1080 1080 700 800 |
|
Diameter Polarity ESO |
Wire Feed Speed m/min |
Voltage(V) |
Current(A) |
Melt-Off Rate(kg/hr) |
Deposition Rate Kg/hr |
|
1.2mm DC+ 19mm(3/4in) |
3.2 5.1 6.4 7.6 9.5 |
23-25 25-27 25-28 27-29 29-31 |
170 235 275 310 365 |
2.4 3.8 4.8 5.8 7.2 |
2.1 3.4 4.2 5.0 6.4 |
|
2.0mm DC+ 19mm(3/4in) |
3.2 4.4 5.7 6.4 7.6 8.3 |
23-26 26-28 27-29 29-31 30-32 31-33 |
250 350 375 400 450 470 |
3.8 5.4 6.9 7.7 9.2 9.9 |
3.2 4.5 5.9 6.5 7.9 8.5 |
|
2.4mm DC+ 29mm |
3.2 5.1 6.4 7.6 8.3 |
24-27 28-31 30-32 31-34 33-35 |
335 455 530 590 615 |
5.3 8.5 10.6 12.7 13.7 |
4.4 7.3 9.2 11.0 12.0 |
