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http://www.plasticmouldsupplier.com» For this plastic baby chair mold, we use HRC28-32 P20 die steel and conduct quenching and high-temperature tempering in the middle process to give the workpiece excellent synthesized mechanical properties and improve its hardness; nitriding is done (as nitriding is characterized by low temperature and small deformation, we can have very high surface hardness and abrasion resistance without quenching). We are providing the most satisfactory service to you with quality products and reasonable price.Mould Quality Control1.Mould Material Q/Ca) mould steel checking (hardness,flaw detection)b) mould spare parts checking (hardness,size)2.Mould Making Process Q/Ca) design checking ( part design,mould desig,mould enginering drawing)b) mould size checking (according to drawing)c) mould testing (check mould working,sample)Detail information of mould steelMould materialmould hardnessmould lifeP20HRC 29-33300000 shotH13HRC 431000000 shot718HRC 30-36500000 shotS136HRC 48-52500000 shot2344HRC 48800000 shot
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