PRIMACORE® LW-75
Product Application

PRIMACORE® LW-75 is recommended for use in welding critical application including the fillet and butt welding of pressure vessels,offshore oil and gas platform structures and fabrication

Welding Position
Standard
  • AWS A5.20/ ASME SFA-5.20: E71T-5M-J
  • AWS A5.36 E71T5-M21A4-CS1
Consumables Detail
  • Robust impact values@ -40°C .
  • Excellent hot and cold crack resistance.
  • Very low diffusible hydrogen.
  • Good weldability including vertical up.
  • Manufactured under a quality system certified to ISO 9001-2008 requirements
PRIMACORE® LW-75

C%

Mn%

Si%

S%

P%

Requirements

AWS E71T-5M-J Max

0.12

1.75

0.90

0.03

0.03

Test results

75-80%Ar/Balance CO2

0.05

1.30

0.65

0.01

0.013


PRIMACORE®LW-75

Yield Strength MPa

Tensile Strength MPa

Elongation %

CVN Impact

(J)@-40

Diffusible Hydrogen(ml/100g)

Requirements

AWS E71T-5M-J

Min390

490-670

Min22

Min27

--

Test Results

75-80%Ar/Balance CO2

430

550

27

95

3.3


Diameter(mm)

Spool/Drum Weight(kg)

Pallet Weight(kg)

1.2

1.4

1.6

15

15

15

1080

1080

1080


Diameter Polarity ESO mm(inches)

Voltage(V)

Approx.Current(A)

1.2mm

DC-

20mm(3/4in)

21-22

23-24

25-26

27-28

29-30

31-32

220-270

230-290

250-320

260-330

280-350

290-360

1.6mm

DC-

25mm(63/64)

22-23

24-25

26-27

28-29

30-31

32-33

230-280

240-280

240-320

260-340

280-350

300-370