Round Steel : 1)Specification :12mm--30mm 2)Application:structural steel bar & tool bar 3)We can produce as customer's design Round Steel ... Rod:Standard: AISI,ASTM,BS,GB Material:Q195,Q215,Q235Specification ... (1045) , SAE J403 , SAE J412 , SAE J414 , UNS G10450 Sell Round Steel Rod