High Quality China Group iri mara kyau/ERW welded Bakin/Carbon/Alloy Galvanized Square/zagaye sumul Boiler/Heat Exchanger Karfe bututu
Dubawa
Burinmu koyaushe shine haɓakawa cikin sabbin masu siyar da kayan fasahar dijital da na'urorin sadarwa ta hanyar ba da ƙarin ƙira, masana'anta na duniya, da damar gyare-gyare don Seamless / ERW welded Bakin / Carbon / Alloy Galvanized Square / zagaye Seamless Steel Pipe, Kayayyakin mu sun fitar da su zuwa Gabas ta Tsakiya, Turai, Koriya, Biyetnam, Iraki, Rasha da sauran ƙasashe.A kan sa ido a gaba don ƙirƙirar kyakkyawar haɗin gwiwa mai dorewa tare da ku a nan gaba mai zuwa!Mun sami mafita mafi kyau da ƙwararrun tallace-tallace da ƙungiyar fasaha. Tare da haɓaka kamfaninmu, muna iya ba da abokan ciniki mafi kyawun samfurori, goyon bayan fasaha mai kyau, cikakken sabis na tallace-tallace.
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
