... .It can cut various of metal, such as carbon steel, stainless steel, brass and aluminum.Normal Accessories: Earth clamp 1pcs, ... Arc start method Adjustment current(A) Suitable model Carbon steel, Stainless Steel, Alloy Steel0.3-16.0Touch20-40CUT401.0-25.0Touch20- ... Aluminum alloyPerfect cutting on the half thickness of carbon steel, stainless steel and alloy steel, when choosing available model.