PRIMACORE® LW-71®
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
  • JIS Z3313 T493T1-1CA-H16
Consumables Detail
  • Excellent mechanical properties
  • Slag system provides for puddle support,good wetting,and bead shape in all position
  • Arc action and metal transfer are smooth
  • Slag removal is easily achieved with hand tools
  • One side welding is possible with ceramic backing and will produce excellent results
  • Manufactured under a quality system certified to ISO 9001 requirements
  • Drum packaging is available
PRIMACORE® LW-71®

C%

Mn%

Si%

S%

P%

AWS Requirements

E71T-1C/9C A5.20 Max.

0.12

1.75

0.90

0.03

0.03

Typical Values

100%CO2

0.06

1.33

0.39

0.01

0.02


PRIMACORE® LW-71®

Yield Strength MPa

Tensile Strength MPa

Elongation %

CVN Impact

@-20

@-30

AWS:E71T-1C

AWS:E71T-9C

Requirements

Min390

490-670

Min22

Min27

Min27

Test Results

As Welded

100%CO2

559

610

26

117

113

Test Results

Stress Relieved

100%CO2

450

550

32

108

--


Diameter(mm)

Spool/Drum Weight(kg)

Pallet Weight(kg)

1.2

1.4

1.6

1.2

1.4

1.6

1.2

1.4

1.6

1.2

1.4

1.6

15

15

15

4.5

4.5

4.5

225

200

200

300

350

350

1080

1080

1080

1080

1080
1080

900

800

800

600

700

700


Diameter Polarity CTWD mm(Inches)

Wire Feed Speed

m/min(in/min)

Voltage(V)

Approx.Current(A)

Melt-Off Rate kg/hr(lb/hr)

Deposition Rate

Kg/hr

1.2mm

PRIMACORE® LW-71®

DC+

20(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

PRIMACORE® LW-71®

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

1.6mm

PRIMACORE® LW-71®

DC+

25(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

345

2.6

3.0

3.9

4.9

5.8

2.2

2.5

3.2

4.1

4.9