... , Uniform mechanical property(Mechanical Properties equilibrium); 3) Heat treatment: BK, BKS, GBK, NBK, Stress Relief, Normalizing, Spheroidize Anneal, ... Packing Type: Round, Square, Rectangle, Hexagon. Streamline, etc. 8) Relevant Test: Chemical Component Analysis, Mechanical Properties(Ultimate tensile ... Days; 7) Container: 20' or 40', etc; 8) Manufacture methods: Cold Finished and Hot Finished. St35 ...