... , 304L, 316, 316L and 430 ASTM A554 stainless steel tubes for industry Manufacture Standard:JIS, GB, DIN, ASTM, EN, AISIwelded tubes, Thickness ... , 304, 304L, 316, 316L and 430Manufacture standard: ASTM A554Usage: construction , industry materials and so on.High quality, competitive price and fast ...