... your request steel tube processing1.material:stainless steel, cast iron, carbon steel, alloy steel, non-ferrous2.package: ... withih 25 days descriptionstainless steel tube processingmaterialstainless steel, cast iron, pig iron, carbon steel, alloy steel, non-ferrous, ductile cast, ... aluminum alloy, ductile iron, brass, zinc etc.standardDIN, AISI, ASTM, BS, JIS ...