... 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,channel steel Material ... Grade: 201, 301, 302, 303, 304, 304L, 316, 316L, 321, 309S, ...