... 3).Process and the surface work fine stainless steel towel bar Namestainless steel towel barStandardASTM A554,A312,A249,A269 and A270Material Grade304,316 ... %-4.5%)c) 304 (Ni: 8% Cr: 18%)d) 316 (Ni: 10% Cr: 18%)Size Range9*0.50mm, we can also accept ... %≥35%≥35%Hardness(HV)<253<253<200<200 stainless steel towel bar