... JIS standard and produce the pipe as your requirement.Name:Flanges, Built to Different JIS Standards, Available in Various MaterialsRaw materials: ... stainless steel 304, 304L, 316, 316L and 321Size: 10 to 1200ABuilt to JIS ... me:Longjunpipe04 AT gmail com Flanges, Built to Different JIS Standards, Available in Various Materials