can any one tell me the approx relative cost of AISI 316/321/410/420/430/431/440A/440B/440C GRADE STELL wrt AISI 304
as i know 316 cost is 160% of 304 and 321 cost is 140% of 304
i am not asking exact prise list/cost comparision if any one have any idea then plz provide the same
thx in advance