China Hot tsoma Bututu Karfe/Welded Karfe bututu, ASTM A53 API 5L
Dubawa
Yana iya zama alhakin mu don gamsar da abubuwan da kuke so kuma mu samar muku da dacewa. Gamsar da ku shine mafi girman ladanmu. Muna neman gaba zuwa ziyarar ku don haɓaka haɗin gwiwa. Saboda ƙoƙarce-ƙoƙarcen da muke yi, kayanmu sun sami amincewar masu saye kuma suna sayarwa sosai nan da waje. Our factory nace a kan manufa na "Quality Farko, Dorewa Development", da kuma daukan "Gaskiya Business, Mutual Benefits" a matsayin mu developerable burin. Duk membobi suna godiya da gaske don duk goyon bayan tsofaffi da sababbin abokan ciniki. Za mu ci gaba da yin aiki tuƙuru da ba ku samfura da sabis mafi inganci.
Game da carbon karfe welded da sumul bututu, don ƙara lalata juriya ikon, za a yi wani irin surface jiyya ga bututu. Daya daga cikin mafi yawan abin da ake amfani da shi shine gashin zinc (galvanize). Akwai nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i)) glavanizing sanyi (electrogalvanizing) da kuma galvanizing mai zafi. Saboda matsalar muhalli, sanyin glavanizing an iyakance shi a kasar Sin, haka nan kuma ba za a iya amfani da galvanizing mai zafi a matsayin bututun samar da ruwa ba, amma ana amfani da shi sosai wajen kashe gobara, wutar lantarki da babbar hanya.
Cold galvanizing shine electrogalvanizing, saboda iyakacin fasaha, suturar zinc ba ta da yawa, galibi a cikin 10-50g/m2, saboda haka, ƙarfin juriyar lalatarsa bai kai ga galvanizing mai zafi ba. A hukumance ma'aikatar gine-gine ta kawo karshen kawar da bututu masu sanyi tare da fasahar baya, kuma an haramta amfani da bututun mai sanyi don ruwa da bututun iskar gas. Layin galvanized na bututun galvanized galvanized mai sanyi-tsayi Layer ne mai lantarki, kuma tudun tutiya da bututun karfe suna shimfida da kansu. Layer na zinc yana da ɗan ƙaramin bakin ciki, kuma Layer na zinc kawai yana manne da bututun karfe kuma yana da sauƙin faɗuwa. Saboda haka, juriya na lalata ba shi da kyau.
Hot galvanizing bututu ta gami Layer yana samuwa ne ta hanyar amsawar narkakkar karfe da na ƙarfe, ta yadda za a haɗa substrate da plating Layer, kuma plating Layer ba shi da sauƙi ya fadi. Hot tsoma galvanizing yana da abũbuwan amfãni na uniform shafi, karfi mannewa da kuma dogon sabis rayuwa. The zafi-tsoma galvanized karfe bututu substrate da narkakkar plating bayani sha wuya jiki da kuma sinadaran halayen don samar da wani lalata-resistant tutiya-baƙin ƙarfe gami Layer tare da m tsari. A gami Layer aka hadedde tare da tsarki tutiya Layer da karfe bututu substrate, don haka da lalata juriya ne mai karfi.
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 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
