... 260mm 3.Surface: cold draw,pickled ,polished etc stainless steel square bar 1.Grade:ss201,202,301,302, ... JIS,AISI,DIN,EN,SUS etc.5.Stianless steel square bar is widely applied for petroleum,chemical ... ,410,420,etc. applicationwidely used in the areas as ss fasteners , chains , kitchen and sanitary wares ,furniture handles , ... build good & long cooperation . 300 sereis stainless steel square bar 4340 alloy ...