... 201,201,301,302,303,304,321,316,316L,309,310,309H, 310S,431,430,420,430F HRAP or Welded Product ... Description Stainless Steel C ChannelKey Words: Steel channel bar , U channel , stainless steel channels ... , 301, 302, 303, 304, 304L, 316, 316L, 321, 309S, 309H, 310, 310S, 2205, 416, 431, 430 etc.Standard : ASTM A276 , ASTM ...