ASTM A234daidaitaccen karfekayan aikin bututuAn yi amfani da shi sosai a cikin tsarin bututun mai, ya haɗa da ƙarfe na carbon da kayan ƙarfe.

Menene kayan aikin bututun Karfe?
An yi gyare-gyaren bututun ƙarfe da ƙarfe na carbon ko gami da bututun ƙarfe, faranti, bayanan martaba, zuwa wani nau'i na musamman wanda zai iya yin aiki (Canja madaidaicin ruwa ko ƙimar) a cikin tsarin bututun.Yawancin waɗannan kayan aikin sun haɗa da gwiwar hannu na karfe (lankwasa digiri 45 ko 90), Tee, mai ragewa (mai rahusa ko mai ragewa), giciye, iyakoki, kan nono, flanges, gasket, studs da sauransu.

Don dalilai na masana'antu, a cikin tsarin bututu yawanci muna buƙatar canza hanyar watsawa;Daidaita ruwa (mai da gas, ruwa, slurry) yawan kwarara;Bude ko rufe bututun, da sauransu. Don haka don kammala waɗannan ayyukan, za a yi amfani da kayan aikin bututun ƙarfe.

Menene ASTM A234 WPB?
ASTM A234 daidaitaccen ƙayyadaddun ƙayyadaddun bututun ƙarfe ya haɗa da ƙarfe na carbon da kayan ƙarfe don sabis na matsakaici da matsakaicin zafin jiki.Yana rufe kayan aikin ƙarfe na nau'ikan da ba su da kyau da walda.Ana amfani da kayan aikin bututun ƙarfe a cikin bututun matsa lamba da kuma cikin ƙirƙirar jirgin ruwa.Waɗannan kayan aikin sun ƙunshi ƙarfe da aka kashe, ƙirƙira, sanduna, faranti, marasa sumul ko samfuran bututu HFW (fusion welded), tare da ƙara ƙarfe mai filler.

ASTM A234 ya haɗa da ƙera carbon karfe da kayan haɗin gwal na kayan aiki mara ƙarfi da walƙiya wanda aka rufe ta sabon bita na ASTM B16.9, B16.11, MSS-SP-79, MSS-SP-83, MSS-SP-95, da MSS SP-97.da dai sauransu.

Kamar yadda muka sani, ana amfani da kayan aikin bututun ƙarfe na ASTM A234 a cikin bututun matsin lamba da kera jirgin ruwa, don sabis a matsakaici da yanayin zafi.Abubuwan da ake sakawa a cikin wannan ma'auni sun ƙunshi ƙarfe da aka kashe, ƙirƙira, sanduna, faranti, samfuran tubular maras sumul ko haɗaɗɗen ƙulla tare da ƙara ƙarfe mai filler.
A cikin wannan ma'auni ya ƙunshi ƙayyadaddun ƙirar gwiwar hannu, tees, masu ragewa, iyakoki da gicciye, yawanci yana ɗaukar ƙarshen walda na gindi.

ASTM A234 karfe bututu kayan aiki girma
Ma'auni: ANSI / ASME B16.9, B16.28, MSS-SP-43.
Matsakaicin Diamita na waje: 1/2 "zuwa 48"
Kauri Range: SCH 10, sch 20, SCH 40, SCH STD, SCH 80, SCH XS, SCH 160, SCH XXS da dai sauransu.
Nau'in masana'anta na bututun ƙarfe a cikin ƙirƙira, zaren zare, walƙiya, da mara nauyi.

Maki a cikin ASTM A234:

Bayanin ASTM A234 yana da maki da yawa, kamar WPB, WPC, WP5, WP9 WP11, WP12, WP22, WP91 da sauransu.
A cikin waɗannan daidaitattun Grade WPB shine mafi yawan kayan da ake amfani da su don matsakaita da babban bututun zafin jiki.W yana nufin mai walƙiya, P yana nufin matsa lamba, B shine aji b, koma zuwa mafi ƙarancin ƙarfin amfanin gona.
Tushen tushen kayan aikin bututun ƙarfe na ASTM A234 WPB na iya kasancewa daga bututun ƙarfe, kamar ASTM A106 Gr.B da C. Hakanan daga farantin karfe, kamar ASTM A285 Gr.C, ASTM A516 Gr 70, ASTM A572 da sauransu.

ASTM A234 WPB karfe bututu mai dacewa da sinadarai da kayan aikin injiniya:
1) Gilashin WPB ɗin da aka yi daga bututun ƙarfe ko faranti mafi girman C shine 0.35%.
2) Ƙirƙirar kayan aiki abun ciki Carbon 0.35% matsakaicin da Silicon abun ciki 0.35% matsakaicin, babu ƙarami.
3) Ga kowane rage 0.01 na Carbon abun ciki, Manganese iyakar abun ciki ya karu 0.06%, har zuwa matsakaicin 1.35% na Mn.
4) Copper, Nickel, Niobium da Molybdenum jimlar abun ciki bazai wuce 1.00% ba.
5) Niobium + Molybdenum kada ya wuce 0.32%.

Kaddarorin injiniyoyi na ASTM A234 WPB kayan aikin bututu:
Ƙarfin Tensile 60,000 pis 415 Mpa
Ƙarfin Haɓaka 35,000 psi 240 Mpa
Matsakaicin Matsakaicin: 150LBS, 300LBS, 600LBS, 900LBS, 1500LBS, 2000LBS, 3000LBS zuwa 9000LBS.

ASTM A234 ya haɗa da kayan aikin bututu marasa ƙarfi da walƙiya:
Don kayan aikin bututun ƙarfe maras nauyi yana nufin kayan aiki albarkatun ƙasa daga bututun ƙarfe mara nauyi da bututu; Ta haka kayan aikin bututun ƙarfe na welded suna rufe kayan kayan albarkatun ƙasa daga bututun ƙarfe na welded.
Ya kamata a lura da cewa,
Bayanin ASTM A234 ba ya rufe kayan aikin walda na simintin gyare-gyare ko kayan aikin da aka yi daga simintin gyaran kafa.

Karfe bututu kayan aiki masana'antu kafa matakai:
Hanyoyin masana'antu don kayan aikin bututu sun haɗa da ƙirƙira da ayyukan ƙirƙira.Kazalika latsawa, guduma, huda, extruding, tashin hankali, mirginawa, lankwasawa, haɗa walda da machining.Ko hanyoyin haɗin biyu ko fiye na waɗannan ayyuka.

A lokacin masana'anta karfe bututu kayan aiki, a kasa ayyuka ya kamata a lura:
1) Rashin lahani, lahani na walda ba za a haifar da shi ba.
2) Bayan tsarawa ko samar da kayan aiki a cikin yanayin da ya dace, za a sanyaya shi a cikin yanayin da ya dace zuwa yanayin zafi wanda ke ƙasa da kewayon mahimmanci.Kuma ba za a yi lahani ba yayin hanyoyin sanyaya.Saurin sanyaya ba zai wuce a cikin iska ba.
3) Za a gudanar da dubawa mai dacewa bayan masana'anta.(Gwajin Hydrostatic, Gwajin taurin, Gwajin tensile da sauransu)

Alloy karfe bututu kayan aiki maki a ASTM A234

The gami karfe bututu Fitting da aka ƙirƙira tare da gami abubuwa kamar Chrome, Molybdenum, Nickel alloy, Hastelloy gami, Monel, Inconel, da dai sauransu Don samun mafi girma matsa lamba ratings, mafi ƙarfi, mai kyau lalata juriya, da kuma tsawon dorewa.Ana amfani da shi sosai a bututun mai da iskar gas, masana'antar sinadarai, masana'antar wutar lantarki, wuraren wutar lantarki, da kuma yanayin uwar garke.

Alloy karfe bututu kayan aiki hada da buttweld kayan aiki, gami karfe dogon radius lankwasa, gami karfe ƙirƙira kayan aiki da sauransu.
The gami karfe buttweld kayan aiki rungumi dabi'ar ASTM A234, yana da WP1, WP5, WP11, WP12, WP22, WP23 da WP91 maki.Matsayin aji a CL1, CL2, CL3.

ASTM A234 alloy karfe bututu kayan aiki ya hada da gami karfe gwiwar hannu a cikin dogon da gajere radius, gami karfe eccentric & concentric rage, gami karfe iyakoki & crosses, gami karfe couplings, gami karfe tees, gami karfe nonuwa, gami karfe iyakoki da dai sauransu more siffofin.Yana da nau'ikan da ba su da kyau, welded da ƙirƙira iri.
Don gami karfe ƙirƙira kayan aiki, ya rungumi ASTM A182 misali yana nufin karfe bututu flanges.Matsayin kayan abu a cikin ASTM A182 F1, F5, F9, F11 Class 1, F12 Class 1, F22 Class 1 ETC.

Haɗin Sinadari

Bukatun tensile