Menene bututun murabba'i mai ƙarfi?

Halayen aiki nababban ƙarfin murabba'in bututusuna da ƙarfi mai ƙarfi, tauri mai kyau da juriya ga tasiri.
Ƙarfi: wurin samarwa (σ s) ≥390mpa;
Ƙarfin tauri (б b) ≥635mpa;
tsawaitawa δ 5（%）≥25；
Taurin hb ≤ 187hv,
Bayanin maganin zafi: daidaita 850 ° C; Kashe 880 ° C; Zafin jiki 600 ° C.
Kayan aiki: an yi shi da inganci mai kyauƙarfe mai tsarin carbonta hanyar birgima mai zafi ko zane mai sanyi.
Amfani: ana amfani da shi don kera bututun bango mai sanyaya ruwa, bututun ruwan tafasa, bututun tururi na tankin ruwa na locomotive da bututun bulo na baka, da sauransu.
Bayani dalla-dalla da ingancin bayyanar:
Kowace rukuni nabututun ƙarfeza a duba ɗaya bayan ɗaya, kuma saman zai kasance babu tsagewa, naɗewa da lahani na fata biyu; Za a gudanar da gano lahani na ultrasonic ga kowane bututun ƙarfe don duba halayen injin walda. Gabaɗaya, diamita na ƙarfafawa na tsawon walda shine 0.2-0.25mm, diamita na ƙarfafawa na tsawon lokacin walda shine 0.75-1mm, kuma ƙarfafawa na tsawon lokacin da ke kan soket ɗin bai kamata ya zama ƙasa da 0.25mm ba.
Sinadarin sinadarai Sinadarin sinadaran da aka gama ya yi daidai da tanadin GB 222-84.
Halayen jiki da na inji:
1) Lanƙwasa na gwajin tensile zai kasance lebur ba tare da canji kwatsam ba
2) Gwajin Tasiri Ana gwada ƙarfin tasirin samfurin a yanayin zafi mai ƙarancin zafi ta hanyar gwajin lanƙwasa sanyi a yanayin zafi da aka ƙayyade.
3) Ba a yarda da tsagewa a kan bututun da na'urorin hydraulic ko pneumatic ke fashewa ba
4) Rashin daidaiton matsin lamba na gwajin lanƙwasa ba zai wuce ƙimar da aka ƙayyade ba.
Tsarin aiki: Bayan an zare zaren ƙarfe ta atomatik zuwa siffa mai siriri ta faifan diski kuma aka ci gaba da samar da shi, ana daidaita shi da na'urar miƙewa mai yawa, sannan a shiga na'urar walda mai yawan mita. Ana haɗa ƙarshen biyu da na'urar walda mai yawan mita don samar da walda mai zagaye. Bayan walda, ana auna bututun ƙarfe kuma ana yanke shi ta hanyar na'urar aunawa da yankewa. A ƙarshe, ana kashe bututun ƙarfe kuma ana rage zafi ta na'urar ƙarewa, sannan a fesa da firam don kammala aikin samarwa.
(6) Tsarin samfurin gbt8163-2008Sashen Karfe Mai Walƙiya Mai Zagayedon watsa ruwa gbt9711.1-1997 Faranti na ƙarfe masu jure wa hydrogen don masana'antar mai da iskar gas ta halitta Kashi na 1: Ci gabanBututun Karfe Masu Kauri Mara Kaurigbt3094-1986 Bututun Karfe Mara Sumul don Tafasasshen Ruwa Mai Ƙarfi da Matsakaici gb5310-95 Manyan Layukan Walda na Walda don Tafasasshen Ruwa Mai Ƙarfi syt5038-2000 (ma'aunin ministoci).