Mai Fitar da Karfe na China Bututun Carbon Welded
fitarwaCarbon Karfe Bututu,China Karfe bututu,Low Carbon Karfe Bututu,welded bututu, daga China. Kamfaninmu ya ƙware wajen fitar da bututun ƙarfe na welded da bututun ƙarfe mara nauyi. Ana fitar da dubunnan tan na bututun karfe na walda a kowace shekara. Bututun walda waɗanda galibi ana fitarwa ana raba su zuwa LSAW da SSAW. Shin kun san bambance-bambancen da ke tsakanin bututun LSAW da bututun SSAW?
Bututun LSAW (Bututun Lantarki na Arc-welding Pipe), kuma ana kiransa bututun SAML. Yana ɗaukar farantin karfe a matsayin ɗanyen abu, a ƙera shi ta na'urar gyare-gyare, sannan a yi walda mai ɓarna mai fuska biyu. Ta wannan tsari, bututun ƙarfe na LSAW zai sami kyakkyawan ductility, walƙiya tauri, daidaituwa, filastik da babban rufewa.
Matsakaicin diamita na LSAW ya fi ERW girma, yawanci daga inch 16 zuwa 60 inch, 406mm zuwa 1500mm. Kyawawan wasan kwaikwayo akan juriya mai tsayi, da juriya mai ƙarancin zafin jiki.
An yi amfani da shi sosai a cikin bututun mai da iskar gas, musamman ana buƙatar babban diamita da bututun bango mai kauri tare da ƙarfi da nisa mai tsayi. A halin yanzu a cikin gina tsarin da ke buƙatar ƙarfi mai ƙarfi, kula da ruwa, masana'antar thermal, ginin gada, da sauransu. Dangane da ƙayyadaddun API, bututun LSAW ( bututun SAWL ko bututun JCOE ) an keɓance shi musamman a cikin jigilar mai da iskar gas, a cikin yanayin bututun mai a fadin birni, teku, da kuma yankunan birane. Waɗannan su ne fannonin aji na 1 da aji 2.
SSAW Pipe (Spiral Submerged Arc-Welding Pipe), wanda kuma ake kira HSAW bututu (Helical SAW), siffar layin walda kamar helix. Yana amfani da fasahar walda iri ɗaya na Submerged Arc-Welding tare da bututun LSAW. Daban-daban bututun SSAW yana waldawa ne a karkace inda LSAW ke waldadden tsayin daka. Tsarin masana'anta yana jujjuya tsiri na ƙarfe, don yin jagorar juyawa yana da kwana tare da jagorar cibiyar bututu, kafawa da walƙiya, don haka kabu ɗin walda yana cikin layi mai karkace.
Matsakaicin diamita na SSAW yana daga 20 inch zuwa 100 inch, 406 mm zuwa 2540 mm. Abinda ke da amfani shine za mu iya samun nau'in diamita daban-daban na bututun SSAW tare da girman girman tsiri na karfe, akwai aikace-aikace mai fadi don albarkatun kasa. karfe tsiri, da waldi kabu ya kamata kauce wa na farko danniya, mai kyau wasanni don ɗaukar danniya.
Rashin hasara shine mummunan girman jiki, tsayin walda mai tsayi ya fi tsayin bututu, mai sauƙin haifar da lahani na fashe, rami na iska, haɗawar cinder, walƙiya na ɓarna, ƙarfin walda a matsayin ja.
Don tsarin bututun mai da iskar gas, amma a ƙayyadaddun ƙirar man fetur, bututun SSAW / HSAW za a iya amfani da shi a cikin aji 3 da aji 4 kawai. Tsarin gine-gine, jigilar ruwa da kula da najasa, masana'antar zafi, gine-gine da sauransu.
Dubawa
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
| Daraja | Bangaren%,≤ | ||||||||
| C | Mn | P | S | KuA | NiA | CrA | MoA | VA | |
| S type (bututu mara nauyi) | |||||||||
| GR.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| E type (Resistance welded bututu) | |||||||||
| GR.A | 0.25B | 0.95 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| GR.B | 0.30C | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| Nau'in F (Furnace Welded Pipe) | |||||||||
| A | 0.30B | 1.20 | 0.05 | 0.045 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
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
| abu | GR.A | GR.B |
| Ƙarfin ƙarfi, ≥, psi [MPa] Ƙarfin Haɓaka, ≥, psi [MPa] Ma'auni 2in.ko 50mm elongation | 48 000 [330] 30 000 [205] A, B | 60 000 [415] 35 000 [240] A, B |
A Mafi ƙarancin elongation na tsayin ma'auni 2in. (50mm) za a ƙaddara ta hanyar da ke gaba:
e=625000(1940)A0.2/U0.9
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 sunan sunan samfurin tensile da ƙayyadaddun kaurin bangonsa, kuma an zagaya shi zuwa yanki mafi kusa na giciye 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
Saukewa: EN10210-1-2006
ASTM A53/A53M-2012
GB9948-2006
GB6479-2013
