16Mn elu-edu enweghị nkebi ígwè anwụrụ emeputa ntụpọ
(1) High mma carbon structural ígwè akara ule gụnyere 20g, 20mng na 25mng.
(2) Alloy structural ígwè akara ule: 15mog, 20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, wdg
(3)Na mgbakwunye na ịgba mbọ hụ na ihe mejupụtara kemịkalụ na akụrụngwa akụrụngwa, 1Cr18Ni9 na 1cr18ni11nb ọkpọkọ ọkpọkọ a na-ejikarị na nchara na-eguzogide okpomọkụ ga-adị n'okpuru ule hydrostatic, flaring na flattening n'otu n'otu. A ga-ebunye ọkpọkọ ígwè na ọnọdụ okpomọkụ.
(1)Gb3087-2008 tubes nchara na-enweghị nkebi maka igwe ọkụ dị ala na nke ọkara. Nnwale tensile ga-agbaso GB / t228-87, ule hydrostatic na GB / t241-90, ule flattening na GB / t246-97, nnwale ọkụ na GB / t242-97 na ule ịgbado oyi na gb244-97.
(2)GB5310-2008 tubes igwe anaghị agba nchara maka igwe ọkụ ọkụ dị elu. Nnwale tensile, hydraulic test na flattening test bụ otu ihe ahụ akọwapụtara na gb3087-82; Nnwale mmetụta dị ka gb229-94 si dị, nnwale ọkụ dị ka GB/t242-97 na ule nha ọka dịka Yb/t5148-93 siri dị; Nyocha microstructure ga-adị na gb13298-91, decarburized oyi akwa nnyocha ga-dị ka gb224-87, na ultrasonic nnyocha ga-dị ka GB / t5777-96.
(3) A ga-eme nyocha arụmọrụ anụ ahụ na ndenye nke tubes ji esi mmiri ọkụ na-ebubata n'ụzọ kwekọrọ n'ụkpụrụ dị mkpa akọwapụtara na nkwekọrịta ahụ.
Ike kachasị ike (FB) nke ihe nlele ahụ na-ebute n'oge nkwụsị nkwụsịtụ bụ nrụgide enwetara site na mpaghara cross-section mbụ (ya mere) nke sample ((σ) , A na-akpọ ike ike (σ b) , na N / mm2 (MPA) . Ọ na-anọchi anya ikike kachasị nke ihe igwe iji guzogide ọdịda n'okpuru esemokwu. Usoro mgbako bụ:
Ebe: FB -- ike kachasị nke ihe nlele na-ebute mgbe agbajiri ya, n (Newton); Ya mere -- akụkụ izizi nke ihe nlele, mm2.
Maka ihe igwe na-emepụta ihe na-emepụta ihe, nchekasị mgbe ihe nlele ahụ nwere ike ịga n'ihu na-agbatị na-enweghị ụba (na-anọgide na-adịgide adịgide) nrụgide n'oge usoro nkwụsịtụ a na-akpọ ebe mkpụrụ. Ọ bụrụ na nrụgide ahụ na-ebelata, a ga-amata isi ihe dị elu na nke ala. Akụkụ nke mkpụrụ mkpụrụ bụ n / mm2 (MPA).
Ebe mkpụrụ n'elu (σ Su):nrụgide kachasị elu tupu nrụgide mkpụrụ nke ihe nlele ahụ na-ebelata maka oge mbụ; Ebe mkpụrụ osisi dị ala (σ SL): nrụgide kacha nta na ọkwa mkpụrụ mgbe anaghị atụle mmetụta mbụ ozugbo.
Usoro mgbako nke ebe mkpụrụ osisi bụ:
Ebe: FS --mkpụrụ nrụgide (mgbe niile) nke sample n'oge esemokwu, n (Newton) so - mbụ cross-ngalaba nke sample, mm2.
