PRIMACORE® LW-81K2 is designed specially for use in butt and fillet welding for 550MPa high strength steels in all positions.It is suitable for applications,such as offshore and shipbuilding
- JIS Z 3313: T556T1-1CA-N3-H10
- AWS A5.29 / ASME SFA-5.29: E81T1-K2C-JH8
- AWS A5.36 E81T1-C1A8-K2
Literature
Literature
- Robust impact values @ -40°C & -60°C
- Consistent properties at a wide range of heat inputs
- Excellent operating characteristics
- All position single and multiple pass semiautomatic and automatic wire.
- Slag removal is easily achieved with hand tools.
- Manufactured under a quality system certified to ISO 9001 and JIS requirements.
|
PRIMACORE® LW-81K2 |
C% |
Si% |
Mn% |
Ni% |
S% |
P% |
Cr% |
Mo% |
V% |
|
Requirements Max AWS A5.29 E81T1-K2C-JH8 |
0.15 |
0.80 |
0.50-1.75 |
1.00-2.00 |
0.03 |
0.03 |
0.15 |
0.35 |
0.05 |
|
Typical Values 100%CO2 |
0.04-0.05 |
0.32-0.40 |
1.10-1.32 |
1.67-1.89 |
＜0.01 |
＜0.02 |
0.01-0.04 |
＜0.01 |
＜0.01 |
| PRIMACORE®
LW-81K2 |
Yield Strength MPa |
Tensile Strength MPa |
Elongation % |
CVN Impact(J) |
|
|
@-40℃ |
@-60℃ |
||||
|
Requirements AWS A5.29 E81T1-K2C-JH8 |
Min470 |
550-690 |
Min19 |
Min27 |
N.S |
|
Typical Values 100%CO2 |
500-570 |
570-640 |
26-30 |
83-130 |
75-90 |
|
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(3/4) |
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 |
|
1.4mm 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 |
