Dubawa

Tare da mu manyan fasaha da mu ruhun bidi'a, juna hadin gwiwa, fa'ida da kuma girma, za mu gina wani m makoma tare da girma m karfe bututu yi, Muna kula da isar da jadawalin jadawalin, m kayayyaki, saman inganci da kuma nuna gaskiya ga mu. masu saye. Motocinmu yakamata su kasance samar da kayayyaki masu inganci cikin lokacin da aka kayyade.
Barka da zuwa ziyarci kamfaninmu, masana'anta da ma'ajin mu inda ke nuna hajanmu wanda zai dace da tsammanin ku. A halin yanzu, yana da dacewa don ziyarci gidan yanar gizon mu, kuma ma'aikatan tallace-tallacenmu za su yi ƙoƙari su sadar da ku mafi kyawun sabis. Tabbatar kun tuntube mu idan kuna buƙatar ƙarin bayani. Manufarmu ita ce mu taimaka wa abokan ciniki su gane burinsu. Muna yin ƙoƙari sosai don cimma wannan yanayin nasara.

Game da bututun welded na carbon karfe, akwai nau'in poeple mai suna MS pipe, wanda ke nufin bututun da aka yi daga ƙarfe mara nauyi / ƙarancin ƙarfe (carbon karfe wanda abun cikin carbon ƙasa da 0.25%). Irin wannan bututu ya fi na kowa, galibi ana amfani da shi wajen ginin gine-gine, tarkace da sauransu. Irin wannan bututu yana da ɗan laushi, ba zai iya ɗaukar ƙarfi da matsa lamba ba, don haka kuma ana iya amfani dashi a cikin jigilar ruwa mara ƙarfi. Domin irin wannan karfe yana da ƙananan kayan aikin injiniya, ba za a yi amfani da shi baamfani yanayin da ke da babban buƙatu, don haka lokacin da mutane suka ambaci bututun MS, koyaushe yana nufin bututun walda.

Aikace-aikace

Ana amfani da shi ne musamman don ƙarfi da sassa na matsa lamba, kuma don maƙasudin tururi, ruwa, iskar gas da bututun iska.

Babban Daraja

GR.A, GR.B

Abubuwan Sinadari

A jimlar waɗannan abubuwa biyar kada ta wuce 1.00%.

B Ga kowane 0.01% raguwa a cikin matsakaicin abun ciki na carbon, matsakaicin abun ciki na manganese an yarda ya karu da 0.06%, amma matsakaicin ba zai iya wuce 1.35%.

C Kowane 0.01% raguwa a cikin matsakaicin abun ciki na carbon zai ba da damar matsakaicin abun ciki na manganese ya karu da 0.06%, amma matsakaicin dole ne ya wuce 1.65%.

Kayan Injiniya

A Mafi ƙarancin elongation na tsayin ma'auni 2in. (50mm) za a ƙaddara ta hanyar da ke gaba:

e=625000(1940)A^0.2/U^0.9

e = ƙaramar haɓakar ma'aunin 2in. (50mm), kashi ya zagaye zuwa mafi kusa 0.5%;

A = An ƙididdige shi bisa ga ƙayyadaddun diamita na waje na bututu mai ƙima ko faɗin ƙididdiga na samfurin tensile da ƙayyadaddun kaurin bangonsa, kuma an zagaya shi zuwa yanki na giciye mafi kusa na samfurin tensile na 0.01 in.2 (1 mm2), kuma ana kwatanta shi da 0.75in.2 (500mm2), ko wacce ta fi karami.

U = ƙayyadaddun ƙayyadaddun ƙarfin ƙarfi, psi (MPa).

B Don haɗuwa daban-daban na nau'o'in nau'ikan gwaji daban-daban da ƙayyadaddun ƙaƙƙarfan ƙarfin ƙarfi, ana nuna ƙaramin ƙarar da ake buƙata a cikin Tebur X4.1 ko Tebu X4.2, gwargwadon iyawarsa.

Bukatar Gwaji

Gwajin tensile, gwajin lankwasawa, gwajin hydrostatic, gwajin walƙiya mara lalacewa.

Ƙarfin Ƙarfafawa

Ikon samarwa: Ton 2000 a kowane wata kowane Gradi na ASTM A53/A53M-2012 Karfe

Marufi

A cikin daure da A cikin Akwatin katako mai ƙarfi

Bayarwa

7-14 kwanaki idan a stock, 30-45 kwanaki don samar

Biya

30% depsoit, 70% L/C ko B/L kwafin ko 100% L/C a gani

Cikakken Bayani

Tubu mai tukunyar jirgi

GB/T 8162-2008

Saukewa: ASTM A519-2006

TS EN 10210-1-2006

ASTM A53/A53M-2012

GB9948-2006

GB6479-2013

GB/T 17396-2009