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GB/T11251 40Cr steel is a hot rolled alloy structural steel plate and sheet. 40Cr ste...
EN10083-3 51CrV4 steel is a hardening alloy steel for quenching and tempering. As a t...
EN10083-3 50CrMo4 steel is a hardening alloy steel for quenching and tempering. After...
ASTM A516 Grade 70 (A516 Grade 485, A516Gr70) material is a carbon steel plate for mo...
BBN STEEL started the international business in 2010 and successfully being approved ...