Page 122 - ProStar Product Guide

FILLER METALS

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ProStar StarCore 6 Metal-Cored Wire

StarCore 6 Wire StarCore 6LF Wire

SPECIFICATION SPECIFICATION
E70C-6M H4 per AWS A5.18, ASME SFA 5.18 E70C-6M H4 per AWS A5.18, ASME SFA 5.18
CWB E491C-6M H4 CWB E492C-6M H4

Wire Dia Package Part No. Wire Dia Package Part No.
0.045" 33 lb (15 kg) spool PRSS249412-729 0.045" 44 lb (20 kg) spool PRSS280812-744
44 lb (20 kg) spool PRSS249412-744
750 lb (340 kg) drum PRSS249412-713
CHARACTERISTICS
0.052" 44 lb (20 kg) spool PRSS249415-744
• Lowest fume level of all ProStar cored products
1/16" 44 lb (20 kg) spool PRSS249419-744
60 lb (27 kg) coil PRSS249419-702 • Better wetting action than sold wire, minimizes cold lap
750 lb (340 kg) drum PRSS249419-713 • Virtually slag-free welds reduce clean up time
ProStar StarCore 6LF wire is a metal-cored wire with
CHARACTERISTICS
lower fume generation rates than other metal-cored
• Higher deoxidizer level than solid wire, improves wire. Fume generation rates are comparable to solid
performance on mill scale plate
wire and offer the higher deposition rates of metal-cored
• Better wetting action than solid wire, minimizes cold lap
wire. Recommended for single- and multi-pass welding
• Good operator appeal
in both the flat and horizontal positions. Recommended
• Good choice for short-circuit or pulse applications
shielding gas is a mixture of argon and CO 2, with a
ProStar StarCore 6 wire has higher manganese minimum of 75% Ar and a maximum of 92% Ar. Arc
and silicon levels than solid S-6 wire, with slightly characteristics improve with richer argon gases while
lower spatter and higher strength. The increased fume levels decrease. StarCore 6LF wire has the lowest
deoxidization level allows for more tolerance of mill spatter level of all the ProStar metal-cored wires.
scale with fewer root pores. ProStar StarCore 6 wire
is recommended for single- and multi-pass welding Shielding Gas Welding Positions
in flat and horizontal positions with 75 – 92% Ar/ 75 – 92% Ar/Bal CO2, 35 – 50 cfh Flat and horizontal
CO 2 and no detrimental effects at the higher argon
Typical Mechanical Properties*
levels. The wetting action is better than solid wire,
Tensile Strength 82,000 psi (566 MPa)
minimizing cold lap on heavier sections of steel.
Yield Strength 70,000 psi (483 MPa)
Elongation 29%
Shielding Gas Welding Positions
CVN at -0 °F (-18 °C) 47 ft/lb (64 Joules)
75 – 92% Ar/Bal CO2, 35 – 50 cfh Flat and horizontal
Typical Undiluted Weld Metal Chemistry
Typical Mechanical Properties*
Carbon (C) 0.04 Phosphorus (P) 0.008
Tensile Strength 91,000 psi (628 MPa)
Manganese (Mn) 1.50 Sulphur (S) 0.013
Yield Strength 81,000 psi (559 MPa)
Silicon (Si) 0.70
Elongation 27%
CVN at -20 °F (-29 °C) 53 ft/lb (72 Joules)
Typical Undiluted Weld Metal Chemistry
* The data contained herein is based on testing performed under standard
Carbon (C) 0.06 Phosphorus (P) 0.012
laboratory conditions. In normal practice, the results obtained may vary depending
Manganese (Mn) 1.64 Sulphur (S) 0.019 upon welding parameters, weld metal cooling rate, and the base plate being
joined. The user should always test the electrode prior to its application.
Silicon (Si) 0.75

C22 1-800 225 8247 www.praxairwelding.com