Factory price, ISO,EAF+LF+VD MOQ: 10-20MT Factory professional service UT+ Peeled +Turned + Heat Treatment Commodity: Steel Forgings FlangeSteel Grade: SAE 4140,4340,1045,8620,8640,1020,4320,52100,5135AISI H11,H10,H13,D2,D6,O1,A2,S1,S5,S7,M2,L2,L6DIN 1.2365, 1.2343, 1.2344, 1.2379, 1.2436, 1.2510, and 1.2311DIN 1.2738, 1.2542, 1.3343, 1.2714, 1.1730, ESR1.2083Standard: DIN, JIS, ASTM, AISI, BS, ...