SECTION 00 : GENERAL INFORMATION
6
PA1621 Maintenance Manual All Series | January 2017
STEEL - STAINLESS STEEL WELDING
Steel Thickness SS Thickness
olta
e Current Wire Feed Rate Shieldin
Gas
Less than 1/8” Any type 20±1.5 volts 130±15 Amps 290 ipm approx.
90% He, 7.5%
Ar, 2.5% CO2
1/8” and more Any type 22±1.5 volts 160±15 Amps 330 ipm approx.
90% He, 7.5%
Ar, 2.5% CO2
STAINLESS STEEL - STAINLESS STEEL WELDING
SS Thickness
olta
e Current Wire Feed Rate Shieldin
Gas
Any type 20 ± 1.5 volts 130 ± 15 Amps 290 ipm approx.
90% He – 7.5% Ar,
2.5% CO2
If necessary and with great care to prevent perforating the material, it is possible to use a conventional
electric arc welding machine according to the following specifications:
o SMAW (Shield Metal-Arc Welding) process;
o Welding rod conforms to AWS (American Welding Standards) A5.4 specifications; 308L-17 type
welding rod with 3/32" diameter (2,4 mm);
o Current: - 50 amperes to 90 amperes, optimum at 60 amperes.
It is important to grind weld bead starts and stops and also to grind arc strikes from surfaces.
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