ASTM A269 Seamless & Welded Austenitic Stainless Steel Tubing ASTM A270 Seamless & Welded Austenitic
ASTM A269 Seamless & Welded Austenitic Stainless Steel Tubing ASTM A270 Seamless & Welded Austenitic Stainless Steel Sanitary Tubing ASTM A312-94b Seamless Stainless Steel STANDARD China American Japan GB AISI ASTM UNS JIS 2 OCr18Ni9 304 S30400 SUS304...