... . size: 40x20x1.79 - 200x100x35.8mm 3. ISO, BV,SGS JIS 420 stainless steel channels1. grade: 201 , 202 , 301 , 302 , 303 , 304 ... , 304L , 309 , 310S , 316 , 316L , 321 , 410 , 420 , 430 , etc .2. size: 40x20x1.79 - 200x100x35.8mm3. length : as ...