Mgbe quenching na tempering ọgwụgwọ nke enweghị nkebi ọkpọkọ, akụkụ ndị na-emepụta nwere ezi keukwu n'ibu Njirimara na ọtụtụ ebe na-eji dị iche iche dị mkpa structural akụkụ, karịsịa ndị na-ejikọta mkpara, bolts, gia na aro na-arụ ọrụ n'okpuru alternating ibu. Ma isi ike dị n'elu adịghị ala ma ọ bụghị iyi. Enwere ike iji ọkụ ọkụ + na-emenyụ elu mee ka ọ dịkwuo elu ike nke akụkụ.

Ngwakọta kemịkalụ ya nwere ọdịnaya carbon (C) nke 0.42 ~ 0.50%, ọdịnaya Si nke 0.17 ~ 0.37%, ọdịnaya Mn nke 0.50 ~ 0.80%, yana ọdịnaya Cr<=0.25%.
Okpomọkụ ọgwụgwọ okpomọkụ akwadoro: normalizing 850°C, quenching 840°C, tempering 600°C.

A na-ejikarị ọkpọkọ igwe anaghị agba nchara na-ejikarị ígwè arụ ọrụ carbon dị elu, nke na-esighị ike ma dị mfe ịkpụ. A na-ejikarị ya eme ihe iji mee ndebiri, ndụmọdụ, akwụkwọ ntuziaka, wdg, ma a chọrọ ọgwụgwọ okpomọkụ.

1. Mgbe emechara na tupu iwe ọkụ, ike nke ígwè dị ukwuu karịa HRC55, nke ruru eru.
Isi ike kachasị elu maka ngwa bara uru bụ HRC55 (oke ugboro na-emenyụ HRC58).

2. Ejila usoro ọgwụgwọ okpomọkụ nke carburizing na quenching maka ígwè.
Mgbe quenching na tempering, akụkụ nwere ezi keukwu n'ibu Njirimara na ọtụtụ ebe na-eji dị iche iche dị mkpa structural akụkụ, karịsịa ndị njikọ mkpara, bolts, gia na aro na-arụ ọrụ n'okpuru alternating ibu. Ma isi ike dị n'elu adịghị ala ma ọ bụghị iyi. Enwere ike iji ọkụ ọkụ + na-emenyụ elu mee ka ọ dịkwuo elu ike nke akụkụ.

A na-ejikarị ọgwụgwọ carburizing eme ihe maka akụkụ ndị dị arọ nke nwere elu na-eguzogide ọgwụ na isi ihe na-emetụta ya, na nkwụsị ya dị elu karịa quenching na tempering + elu quenching. Ọdịnaya carbon dị n'elu bụ 0.8-1.2%, na isi bụ n'ozuzu 0.1-0.25% (0.35% na-eji n'ọnọdụ pụrụ iche). Mgbe ọgwụgwọ okpomọkụ gasịrị, elu ahụ nwere ike nweta ike siri ike (HRC58-62), na isi nwere obere ike na mmetụta nkwụsị.