45# : High strength quenched and tempered carbon steel, has a certain plasticity and toughness, high strength, Cutting well

45# faceplate Performance: high strength quenched and tempered carbon steel, has a certain plasticity and toughness, high strength, good mach inability, obtained by quenching and good mechanical properties, but quenching is poor, water quenched easy to crack.     Application: Manufacturing high intensity exercise in parts

public flange