Algengt notað efni fyrir snittari stangir

Commonly used screw rod materials in my country include 45# steel, 40Cr, amine steel, 38CrMOAl, high temperature alloys, etc. 1) 45# steel is cheap and has good processing performance, but poor wear and corrosion resistance. Heat treatment: quenching and tempering HB220-270, high frequency quenching HRC45--48. 2) The performance of 40Cr is better than that of 45# steel, but it is often plated with a layer of chromium to improve its corrosion resistance and wear resistance. However, the requirements for the chrome plating layer are high. If the plating layer is too thin, it is easy to wear, and if it is too thick, it is easy to peel off. After peeling off, it accelerates corrosion and has been less used. Heat treatment: quenching and tempering HB220-270, hard chrome plating HRC>553) Nitrided Steel og 38Crmoal hafa tiltölulega framúrskarandi alhliða frammistöðu og eru mikið notaðir. Almennt nær nitrided lagið 0. 4-0. 6 mm. Hins vegar hefur þetta efni lítið viðnám gegn tæringu vetnisklóríðs og er tiltölulega dýrt. 4) Háhita álfelgur er betri en önnur efni. Þetta efni þarf ekki húðun og er aðallega notað fyrir halógenfrí skrúfur af innspýtingarmótunarvélum. Þetta efni hefur mikla oxunarþol og tæringarþol. Hitameðferð HRA55`60.