Nke a na-ejikarị eme ihe n'usoro ịgbapu mmanụ bụ casing mmanụ API nke Hunan Great Steel Pipe Co., Ltd na-eweta. A na-ejikwa ya na njikọ.ọkpọkọ ọkpọkọ, akwa olu olu, isi ọkpọkọ, na obere dayameta ekwopu ígwè ọkpọkọ.Ọrụ bụ isi nke mkpuchi mmanụ API bụ ịkwado mgbidi olulu mmiri mmanụ n'oge usoro ịkụcha ihe niile na mgbe emechara ya, nke nwere ike hụ na arụ ọrụ nkịtị nke ọma mmanụ dum.

Ọkpụkpọ mkpuchi mmanụ API nke Hunan Great Steel Pipe Co., Ltd wetara bụ ụdị ọkpọkọ na-ebufe mmanụ ala na akụrụngwa ndị ọzọ.Ihe teknuzu chọrọ maka ọkpọkọ mkpuchi mmanụ API nke Hunan Great Steel Pipe Co., Ltd wetara dịkwa oke siri ike.N'ime ha, ihe kachasị mkpa bụ okpomọkụ, nke chọrọ okpomọkụ kwekọrọ na nhazi nhazi ọ bụla.Dịka ọmụmaatụ, AC1 nke ígwè 27MnCrV dabara na okpomọkụ nke 736 degrees Celsius.Ekwesịrị ịchịkwa okpomọkụ kpo oku n'etiti 740-810 degrees Celsius n'oge obere okpomọkụ quenching.Gbaa mbọ hụ na okpomọkụ na-ebelata okpomọkụ bụ ogo 780, na oge ikpo ọkụ bụ ihe karịrị nkeji 15;a ga-achịkwa okpomọkụ na-emebi emebi nke mkpuchi mmanụ API nke Hunan Great Steel Pipe Co., Ltd na-enye mgbe emechara ya na ogo 630, ma ekwesịrị ịchịkwa iwe ọkụ.Oge kwesịrị ịbụ ihe karịrị nkeji iri ise.Ọ bụrụ na ịchọrọ imeziwanye ike nke mkpuchi mmanụ API, a ga-achịkwa okpomoku ọkụ n'etiti α + γ, yana achọrọ ka menyụọ casing mmanụ API ka ọ na-ejigide akụkụ nke ferrite gbazere.Ya mere, API mmanụ casing na-ekpo ọkụ na-emeso site sub-okpomọkụ quenching, nke nwere ike imeziwanye ike tensile nke API mmanụ casing, ma melite mmetụta ike na mmebi nguzogide nke API mmanụ casing.

Ekwesịrị ịme njikwa siri ike n'oge ọgwụgwọ okpomọkụ nke ọkpọkọ mmanụ API nke Hunan Great Steel Pipe Co., Ltd na-enye. Naanị n'ụzọ dị otú a nwere ike ịdị mma nke ọkpọkọ mmanụ API nke Hunan Great Steel Pipe Co., Ltd na-enye. ekwe nkwa.Ọ nwere nnukwu ike na arụmọrụ ndị ọzọ n'oge eji.Mpempe mmanụ API nke Hunan Great Steel Pipe Co., Ltd na-enye na-anabata usoro nhazi quenching cryogenic iji belata mgbanwe nrụgide n'oge nkwụsị.N'ozuzu, okpomọkụ nke cryogenic quenching dị ala karịa okpomọkụ nkịtị, n'ihi ya, ọ dịghị mfe ime Hunan n'oge quenching.Nrụrụ nke casing mmanụ API nke Great Steel Pipe Co., Ltd na-eweta. Iji usoro ọgwụgwọ a ọ bụghị naanị iji hụ na mmepụta nke ọma kamakwa ọ na-enye akụrụngwa maka nhazi waya na-esote.