ihe 40cr

40Cr bụ GB ọkọlọtọ ígwè nọmba na China, na 40Cr ígwè bụ otu n'ime ndị kasị ọtụtụ ebe eji ígwè na n'ibu n'ichepụta industry.It nwere ezi keukwu n'ibu Njirimara, ezi ala okpomọkụ mmetụta siri ike na ala notch sensitivity.Good ígwè hardenability, mgbe mmiri menyụọ. na-agbasi ike na Ф28 ~ 60 mm, mgbe mmanụ na-eme ka mmanụ na-eme ka ọ sie ike na Ф 15 ~ 40 mm. Nchara ahụ dịkwa mma maka cyanidation na nkwụsịtụ ugboro ugboro. Mgbe ike dị 174 ~ 229HB, onye ikwu na-arụ ọrụ bụ 60% ígwè dị mma. maka ime ọkara – sized plastic ebu.

Ọkara carbon tempered ígwè, oyi heading die steel.The ígwè bụ nke agafeghị oke price, mfe nhazi na ike nweta ụfọdụ siri ike, plasticity na abrasion eguzogide mgbe kwesịrị ekwesị okpomọkụ ọgwụgwọ.Normalizing nwere ike imeziwanye mbelata arụmọrụ nke oghere site n'ịkwalite microstructure refinement na. na-eru nso na nha nha steeti.Tempered na 550 ~ 570 ℃, ígwè nwere ihe kasị mma keukwu n'ibu Njirimara.The hardenability nke ígwè dị elu karịa 45 ígwè, adabara elu ugboro quenching, ire ọkụ quenching na ndị ọzọ elu hardening ọgwụgwọ.

Akụkụ aro bụ otu n'ime akụkụ ndị a na-ahụkarị na-ezutekarị na igwe igwe. A na-ejikarị akwado ihe ndị na-ebufe ihe, nyefe torque na load. Akụkụ akụkụ nke akụkụ ahụ na-atụgharị akụkụ ahụ, ogologo ya dị ukwuu karịa dayameta, n'ozuzu ya gụnyere concentric shaft cylindrical elu, elu conical, oghere dị n'ime na eri na njedebe njedebe kwekọrọ. Dị ka ọdịdị dị iche iche nke nhazi ahụ si dị, a pụrụ kewaa akụkụ osisi n'ime oghere anya, nzọụkwụ nzọụkwụ, oghere oghere na crankshaft.

https://www.china-bolt-pin.com/factory-bolts-for-1d-46378h-5772-hex-bolt.html

40Cr bụ ihe a na-ahụkarị nke akụkụ osisi. Ọ bụ ọnụ ala na ike inwe mma ọnwụ arụmọrụ mgbe quenching na tempering (ma ọ bụ normalizing), na ike inwe elu keukwu n'ibu Njirimara dị ka ike na ike. Mgbe quenching, elu ike ike iru 45 ~ 52HRC.

A na-eji 40Cr eme ihe n'ichepụta igwe. Nke a na ụdị ígwè nwere ezi n'ibu Njirimara.This bụ a ọkara carbon alloy ígwè na ezi quenching arụmọrụ, 40Cr nwere ike ime ka obi sie HRC45 ~ 52. Ya mere, ọ bụrụ na elu hardness kwesịrị ka mma na elu n'ibu Njirimara nke 40Cr na-atụ anya. A na-ebute ya n'ime egwuregwu, a na-eme ọgwụgwọ nkwụsị elu dị elu nke elu mgbe emechara 40Cr, na ike siri ike ruo 55-58hrc, iji nweta ike elu elu achọrọ ma nọgide na-enwe ezi obi ike.