Bao steel SW718H-P Classicplastic mold steel SW718H/SW718HH are Prehardened Plastic Mould Steel which are made by Baosteel. Both of them are developed with reference to steel standard AlSI P20+Ni from the US and W.Nr 1.2738 from Germany with modification. SW718HH is delivered with a higher hardness which could provide better wear resistance when comparing to SW718H. Apart from the standard testing procedure by Baosteel,the quality of SW718H
