(I) Bututun ƙarfe marasa sumul na ƙarfen carbon
| daidaitaccen tsari | Lambar Daidaitacce | Matsayi | Aikace-aikace | Gwaji |
| GB/T8163 | Bututun ƙarfe mara sumul don jigilar ruwa | 10,20,Q345 | Man fetur, iskar gas da kafofin watsa labarai na jama'a tare da zafin ƙira ƙasa da 350℃ da matsin lamba ƙasa da 10MPa | |
| GB3087 | Bututun ƙarfe marasa sumul don boilers masu matsa lamba kaɗan da matsakaici | 10, 20 da sauransu. | Tururi mai zafi da ruwan zafi daga tukunyar ruwa mai matsa lamba kaɗan da matsakaici, da sauransu. | |
| GB9948 | Bututun ƙarfe mara sumul donfashewar man fetur | 10, 20 da sauransu. | Bai dace a yi amfani da bututun ƙarfe na GB/T8163 ba. | Faɗaɗawa, tasiri |
| GB5310 | Bututun ƙarfe mara sumul don tukunyar jirgi mai matsin lamba | 20G da sauransu. | Matsakaici mai zafi sosai don boilers masu matsin lamba mai yawa | Faɗaɗawa, tasiri |
| GB6479 | Babban bututun ƙarfe mara matsi donkayan aikin taki | 10, 20G, 16Mn da sauransu. | Kayayyakin mai da iskar gas tare da zafin ƙira na -40 ~ 400℃ da matsin lamba na ƙira na 10.0 ~ 32.0MPa | Faɗaɗawa, tasiri, da taurin tasirin zafi mai ƙarancin zafi |
| GB/T9711 | Yanayin isar da kayayyaki na fasaha don bututun ƙarfe don masana'antar mai da iskar gas |
Dubawa: Gabaɗaya, bututun ƙarfe don jigilar ruwa dole ne a yi nazarin abubuwan da ke cikin sinadarai, gwajin tauri, gwajin daidaita ruwa da gwajin matsin lamba na ruwa. Baya ga gwaje-gwajen da dole ne a yi a kan bututun ƙarfe don jigilar ruwa, ana kuma buƙatar bututun ƙarfe na GB5310, GB6479 da GB9948 don yin gwajin faɗaɗawa da gwajin tasiri; buƙatun duba masana'antu na waɗannan bututun ƙarfe guda uku suna da tsauri. Tsarin GB6479 kuma yana yin buƙatu na musamman don ƙarfin tasirin kayan zafi mai ƙarancin zafi. Baya ga buƙatun gwaji na gabaɗaya don bututun ƙarfe don jigilar ruwa, ana buƙatar bututun ƙarfe na daidaitaccen GB3087 don yin gwajin lanƙwasa sanyi. Baya ga buƙatun gwaji na gabaɗaya don bututun ƙarfe don jigilar ruwa, ana buƙatar bututun ƙarfe na daidaitaccen GB/T8163 don yin gwajin faɗaɗawa da gwajin lanƙwasa sanyi bisa ga yarjejeniyar. Buƙatun masana'antu na waɗannan bututu guda biyu ba su da tsauri kamar uku na farko. Masana'antu: Bututun ƙarfe na ƙa'idodin GB/T/8163 da GB3087 galibi ana narkar da su ta hanyar tanda ko mai canza wuta, kuma abubuwan da ke cikin ƙazanta da lahani na ciki sun fi yawa. Ana narkar da GB9948 galibi ta hanyar amfani da wutar lantarki. Yawancinsu sun ƙara tsarin tacewa a wajen tanderun, kuma lahanin da ke cikinta da na ciki sun yi ƙasa kaɗan. Ka'idojin GB6479 da GB5310 kansu sun ƙayyade buƙatun tacewa a wajen tanderun, tare da ƙarancin ƙazanta da lahani na ciki, da kuma mafi girman ingancin kayan aiki. Matakan ingancin masana'antu na ƙa'idodin bututun ƙarfe da ke sama suna cikin tsari daga ƙasa zuwa sama: GB/T8163
(II) Bututun ƙarfe marasa ƙarfe marasa ƙarfe marasa ƙarfe. A cikin kayan aikin samar da man fetur, ƙa'idodin bututun ƙarfe marasa ƙarfe marasa ƙarfe da ake amfani da su akai-akai sune GB9948 "Bututun ƙarfe marasa ƙarfe don fasa mai" GB6479 "Bututun ƙarfe marasa ƙarfi don kayan aikin taki" GB/T5310 "Bututun ƙarfe marasa ƙarfi don tukunyar ruwa mai matsin lamba" GB9948 ya ƙunshi ma'aunin kayan ƙarfe na chromium-molybdenum: 12CrMo, 15CrMo, 1Cr2Mo, 1Cr5Mo, da sauransu. GB6479 ya ƙunshi ma'aunin kayan ƙarfe na chromium-molybdenum: 12CrMo, 15CrMo, 1Cr5Mo, da sauransu. GB/T5310 ya ƙunshi ma'aunin kayan ƙarfe na chromium-molybdenum da ma'aunin kayan ƙarfe na chromium-molybdenum: 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12Cr1MoVG, da sauransu. Daga cikinsu, GB9948 an fi amfani da shi, kuma yanayin zaɓin yana kamar yadda yake a sama.
Lokacin Saƙo: Disamba-11-2024
