42crmo4 alloy steel round bars diameter:6-200mm,length:1m-6m ... 8000tons in 2011. Description42 crmo4 alloy steel round barsMaterial201,202,304,304L,309S,310S,316,321 ... ,5.8m,4m or as your requirementApplicationStainless steel bar applies to petroleum, chemical industry,electric power, ... cooperative relation between the domestic agents. Stainless steel bar Stainless can be made according to the customers ...