... alloy steel we can manufacture according to your request steel tube processing1.material:stainless steel, cast iron, carbon steel, ... L/C at sight4.delivery: withih 25 days descriptionstainless steel tube processingmaterialstainless steel, cast iron, pig iron, carbon steel, ... steel, non-ferrous, ductile cast, aluminum alloy, ductile iron, brass, zinc etc.standardDIN, AISI, ASTM, BS, JIS, etc.surface ...