... : 3000m-6000m 5) MOQ : 20MT 50Mn2 ASTM 1052 Alloy Structural Steel 1. Grade: AISI 1052 ,ASTM 1052 , 50Mn2 2. ... 718/1.2738,S136/1.4034,NAK80) 4. Carbon Structural Steel:1018,1045/S45C,1050/S50C,20Mn,40Mn. 5 ... . Carbon Tool Steel:T7,T8,T10,T11 6. Alloy ... High Speed Steel:M2,M35,M42,T1 ,T48. Alloy Structural Steel:20Cr,40Cr, 4140/42CrMo4, 40CrNiMoA/4340,86209. Machinery ...