PRIMACORE® LW-71H
Product Application

Application include those in general fabrication,ship or barge construction,building or bridge erection,and off-shore industries

Welding Position
Standard
  • AWS A5.20/ASME SFA-5.20:E71T-1C/9C

  • AWS A5.36 E71T1-C1A2-CS1-H8

Consumables Detail
  • Excellent crack resistance and low diffusible hydrogen

  • Slag system provides for puddle support, good wetting, and consistant bead shape in all positions

  • Arc action and metal transfer are smooth

  • Slag removed is easily achieved with hand tools

  • One sided welding is possible with ceramic backing

  • Manufactured under a quality system certified to ISO 9001 requirements

PRIMACORE® LW-71H

C%

Mn%

Si%

S%

P%

Requirements

AWS E71T-1C/9CMax

0.12

1.75

0.90

0.03

0.03

Test results

100%CO2

0.06

1.30

0.38

0.01

0.02


PRIMACORE® LW-71H

Yield Strength MPa

Tensile Strength MPa

Elongation %

CVN Impact

@-20

@-30

Requirements

AWS E71T-1C

AWS E71T-9C

Min390

490-670

Min22

Min27

Min27

Test Results

As Welded

100%CO2

490

570

24.5

112

98


Diameter(mm)

Spool/Drum Weight(kg)

Pallet Weight(kg)

1.2

1.4

1.2

1.4

15

15

4.5

4.5

1080

1080

1080

1080


Diameter Polarity CTWD mm(inches)

Wire Feed Speed

in/min(cm/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