... -8*1000-6000mm Astm tp304 seamless or welded stainless steel square pipe 1. grade: 201,202,302,304, ... Standards: AISI, SUS, GB3. Surface: cold drawn, hot rolled, pickled, peeled, mirror polished, brush,sand blasting4. Specification: ... details(each one in a green woven bag):Besides square pipes, round pipes, bars, sheets, coils ... your evaluation. astm tp304 seamless or welded stainless steel square pipe