... can cutting, welding and UT report by DNVMaterials: steel, stainless steel ,aluminum alloy,brass, bronze,copper, according to ... customers' drawings or samples.3).Materials: Stainless steel ,cold work steel ,spring steel ,aluminum alloy,brass, bronze,copper, plastic , ... Terms/Shipment Terms/Lead time):TypeStainless steel precision partsMaterials:stainless steel 304Mateial GradeGB,ASTM,AISI,DIN,BS, ...