Features: 1) Big size wheel 2) Materials: steel, carbon and stainless steel 3) Weight: no more than 15t 4)30years in field We ... privilege of serving you soon. Material: Forged Carbon Steel, Stainless Steel , Duplex Stainless Steel , Low Alloy Steel(Like A105,LF2,LF6,F6a,F304,F316,F22,F51 ... (C,Mn,P,S,Si,Cu,Ni,Cr,Mo,V,CE)B Mechanical properties(yeild strength,tensile strength,elongation,reduction of ...