718 chakuvhuvhuSimbi yesimbi yepurasitiki ye718 yakagadzirwa neSweden ASSAB ine hunhu hwemakanika, kugona kwayo kugadzira, uye tekinoroji iri nyore yekugadzirisa, saka inoshandiswa zvakanyanya mumaindasitiri ekugadzira nekugadzira mamota. Pamusoro pezvo, simbi ye718 yakaomeswa kusvika pakuoma kwe41~47HRC mushure mekubuda mufekitori kuburikidza nemaitiro ekugadzira akakosha, izvo zvinogona kuderedza zvinongedzo zvekupisa mune mamwe mapurojekiti uye kuvandudza mabhenefiti ehupfumi.

Henglei 718 die steel, 3Cr2NiMo yenyika yedu imhando yesimbi yakagadziridzwa kubva paP20 (3Cr2Mo), uye hunhu hwayo hwakagadziridzwa zvikuru kuti igutse zvikanganiso zveP20 die steel uye inosangana nenguva apo P20 die steel isingakwanise kusangana nezvinodiwa. Kuwedzera kune magiredhi esimbi akajairwa eChinese ataurwa pamusoro apa, magiredhi esimbi ari kuoneka pamusika wesimbi yemould munyika yangu ndeaya P20+Ni. Sweden's 718, 718H (ASSAB), PX5\PX4 (Japan Datong Special Steel), GS-711, GS-738, GS-312, GS-318 (Germany Thyssen), Austria's M238 ECOPLUS (Bai Lu Company), CS718 (China Great Wall Special Steel), SWP20 (Shanghai No. 5 Steel Company), nezvimwewo, saka pamusoro pekusashandiswa kwezvikamu zvepurasitiki zvemould zvine zvinodiwa zvekudzivirira ngura, parizvino imhando yesimbi yakajairika yesimbi yepurasitiki inoshandiswa zvakanyanya. Inowanzonzi "simbi yepurasitiki yekuumbwa", uye mhando itsva dzesimbi dzichangobva kugadzirwa dzinowanzoishandisa semuenzaniso wekare.

Mamiriro efekitari: ASSAB 718 HB: 290-310

Mamiriro ekutumira: Simbi inotumirwa muchimiro chekunamirwa. Mushure mekubvumirana, kutumira kunogona kuitwawo pasina kunamirwa.

Simbi ye718 isimbi yepurasitiki inoumbwa negirazi isingaomeswi neacid muSweden inonzi ASSAB. Simbi iyi inoomeswa kare, ine zvinhu zvakafanana, kuchena kwakanyanya, kugona kupolisha uye kugona kunyora mifananidzo. Inokwanisawo kuoma zvakanyanya, kugona kugadzirisa magetsi zvakanaka uye kugona kugadzirisa dermatoglyph. Simbi inoomeswa kare inogona kushandiswawo mu die cavity isina kudzima, uye flange inogona kuomeswa nemurazvo kuti kuoma kwayo kuwedzere kusvika pa52HRC.

Simbi iyi inogona kushandiswa zvakanaka uye haiparare, uye ine kuomarara kwakafanana. Inoshandawo zvakanaka pakupukuta, tekinoroji iri nyore yekugadzirisa uye mutengo wayo uri pakati nepakati, saka chiyero chayo chakakura.