45# Steel hardness mgbe quenching na tempering

Isi ike nke 45 # nchara agbanyụchara na akụkụ dị ọkụ mgbe emenyụchara kwesịrị iru HRC56 ~ 59, na ohere nke nnukwu akụkụ obe dị ala, mana ọ nweghị ike ịdị ala karịa HRC48.

Emenyụ na iwe nke 45 # ígwè 45 # ígwè bụ a ọkara-carbon structural ígwè na ezigbo oyi na-ekpo ọkụ workability, ezi n’ibu Njirimara, ala price na obosara isi mmalite, ya mere a na-eji ọtụtụ ebe. Ya nnukwu adịghị ike bụ na ọ nwere ala hardenability, nnukwu cross-section akụkụ na elu chọrọ maka workpieces na-ekwesịghị ekwesị maka ojiji.

Iji

The quenching okpomọkụ nke 45 # ígwè bụ A3 + (30 ~ 50) ℃. Na arụ ọrụ n’ezie, a na-ewerekarị oke oke. A elu quenching okpomọkụ nwere ike mee ka kpo oku nke workpiece ọsọ ọsọ, ibelata elu ọxịdashọn, na melite ọrụ arụmọrụ. Iji homogenize na austenite nke workpiece, zuru ezu njide oge a chọrọ. Ọ bụrụ n’ezie ego ọkụ etinyere buru ibu, oge njide kwesịrị ịgbatị nke ọma. Ma ọ bụghị ya, enwere ike ịnwe isi ike zuru oke n’ihi kpo oku na-ezighi ezi. Otú ọ dị, ọ bụrụ na oge njide ahụ dị ogologo, mkpụrụ osisi na-adịghị ahụkebe na nnukwu oxidative decarburization ga-emekwa.

Iji

Quenching na tempering: Quenching na tempering bụ a abụọ okpomọkụ ọgwụgwọ quenching na elu okpomọkụ tempering, na nzube ya bụ ime ka workpiece nwere ezi keukwu n’ibu Njirimara. Nchara agbanyụchara na nke dị ọkụ nwere ụdị abụọ: carbon quenched na igwe ọkụ na alloy quenched na igwe ọkụ. N’agbanyeghị ma ọ bụ carbon ígwè ma ọ bụ alloy ígwè, carbon ya na-achịkwa nke ọma. Ọ bụrụ na carbon ọdịnaya dị oke elu, ike nke workpiece mgbe quenching na tempering dị elu, ma ike ezughị. Ọ bụrụ na ọdịnaya carbon dị oke ala, ike ga-abawanye na ike agaghị ezu oke.