ESAB ESP-200 - 4.4.5 Recommended Gas and Current

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SECTION 4 OPERATION
4.4.5 Recommended Gas and Current
The following provide the recommended gas and current selection for common metals to obtain the best cutting results.
4.4.5.1 Carbon Steel
1/8” (3.2mm) and Thinner
 • 50/65Amps,AirPlasma/AirShield.
3/16 – 1/2 (4.8-12.7mm)
 • 100Amps,O2Plasma/AirShield.
 • 100Amps,AirPlasma/AirShieldisalsogoodbuttherewillbebottomdrosson1/2”(12.7mm)material.
NOTE: If using a 50 foot torch system, about 2-1/2 seconds will be required before the O2 reaches the cut.
5/8” (15.8mm) and Thicker
 • 200Amps,N2Plasma/AirShieldisbest.Drossfreecutscannotbemadeonmaterialthickerthan3/4”butdrossis
removable.
 • 200AmpAirPlasma/Airshieldisaneconomicalsecondchoice-alittlemoredrossandalittleroughersurfacewill
result.
4.4.5.2 Stainless Steel
1/8” (3.2mm) and Thinner
 • 50-65Amps,N2Plasma/N2Shieldproducesbestsurfacebutlightdrosson1/8”material.
 • 50-65Amps,AirPlasma/AirShieldcanproducedrossfreecutsbutthesurfaceisrough.
1/4 - 3/8” (3.2-9.6mm)
 • 100Amps,N2Plasma/N2Shieldcanproducelittleornodrossandgoodsurfacequalitythrough1/2”(12.7mm)
material.
1/2” (12.7mm) and Thicker
 • 200Amps,H-35Plasma/AirShieldcanproducenearlydross freecutswithexcellentsurfacethrough3/4”(19mm)
and more drossy but good surface through 1-1/2” (38mm).
 • 200Amps,N2Plasma/AirShieldcanproducedrossfreecutsupto3/4”(19mm)withfairsurfacequalitythrough1”
(25.4mm) plate.
 • 200Amps,AirPlasma/AirShieldproducesaslightlyroughercutsurfacebutlessdrosson1”(25.4mm)plate.