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  The ML42CrMo produced by XINGTAI STEEL is mainly used to produce 12.9 grade high strength fasteners. The product has excellent surface quality, low decarburization layer depth, easy spheroidizing annealing, low cold upsetting cracking rate and excellent plasticity and ductility. A customer uses this material to produce engine cylinder bolts, who reflects that our ML42CrMo material has stable composition and good hardenability, can meet the requirements.