stainless steel double triangle bar 1. origin:Jiangsu,China 2. grade:200,300,400 ... series 3.Spec:2-300mm*1000-6000mm stainless steel triangle bar1.grade: 201, 202, 304, 304L, 316L, 309S, 310S, 321 ... , 202, 2205, 2235, 2101, 301, 630, etc. stainless steel double triangle bar