Description

Technical Parameter
Model    PRIMACORE P71X
Conformance    AWS A5.20/ASME SFA 5.20:E71T-1C (with 100% CO2 Shielding Gas Only)
Welding Position    1G
                                 2G
                                 2F
                                 3G/3F
                                 3G/3F up
                                 4G/4F
                                 5G up
Diameters/Packaging (mm)    

• 15KG Plastic Spool
  1.2
  1.4
  1.6
• 225KG Drum
  1.2
• 200KG Drum
  1.4
  1.6
• 300KG Drum
  1.2
• 350KG Drum
  1.4
  1.6

All Weld Metal Mechanical Properties – TYPICAL 

• Requirements AWS E71T-1C per AWSA5.20
  Yield strength (MPA) 390
  Tensile Strength (MPA) 490-670
  Elongation (%) min.22
  Impact Value@-20C(J) min.27
  Typical Values (*with 100%CO2)
  Yield Strength 440-540
  Tensile Strength 530-620
  Elongation(%) 25
  Impact Value@-20C(J) 120

All Weld Metal Chemical Compositions (WT-%) – TYPICAL    

• Requirements AWS E71T-1C Per A5.20 (%) Max.
  C 0.12
  Mn 1.75
  Si 0.90
  P 0.03
  S 0.03
  Typical Values (%) (with 100% CO2)
  C 0.05
  Mn 1.50
  Si 0.60
  P 0.013
  S 0.010

Typical Operating Procedures    

• 1.2mm Primacore P71X DC+ 20(3/4)
  Wire Feed Speed (cm/min)
  445,572,699,826,953,1080,1207,1524
  Arc Voltage (volts)
  21-24,23-25,25-27,26-29,27-29,28-,30,29-31,31-33
  Approx.Current (amps)
  130,165,185,200,230,250,270,310
  Melt-off Rate (kg/hr)
  1.8,2.4,2.9,3.4,4.0,4.5.0,6.2
  Deposition Rate (kg/hr)
  1.5,1.9,2.4,2.9,3.3,3.7,4.2,5.3
• 1.4mm Primacore P71X DC+ 25(63/64)
  Wire Feed Speed (cm/min)
  381,508,635,762,889,1016,1143
  Arc Voltage (volts)
  23-25,24-26,25-27,26-28,27-29,28-30,29-31
  Approx.Current (amps)
  150,190,225,240,275,300,325
  Melt-off Rate (kg/hr)
  2.0,2.6,3.3,4.0,4.6,5.3,6.0
  Deposition Rate (kg/hr)
  1.7,2.2,2.8,3.6,3.7,.4.5,5.1
• 1.6mm Primacore P71X DC+ 25(63/64)
  Wire Feed Speed (cm/min)
  330,381,508,635,762
  Arc Voltage (volts)
  22-25,23-26,24-27,26-29,28-31
  Approx.Current (amps)
  180,210,265,305,345
  Melt-off Rate (kg/hr)
  2.6,3.0,3.9,4.9,5.8
  Deposition Rate (kg/hr)
  2.2,2.5,3.2,4.1,4.9

*Application: Primacore P71X is designed for use in welding 490N/mm tensile steels. It is suitable for the following applications: shipbuilding, bridges, building construction, heavy machinery & equipment, petrochemical, pressure vessels, steel structures, etc