Kasar Sin ba ta da kyau don masu kera bututun da ke ƙera bututu mai zafi da mai ba da kaya

Mara kyau don bututun Galvanized mai zafi

Mara kyau don Hoton Faɗakarwar Galvanized Bututu mai zafi

Takaitaccen Bayani:

Bututun Karfe Marasa Ciki Don Gabaɗaya Manufar Tumbura, Ruwa, Gas Da Layin Jirgin Sama A cikiASTM A53/A53M-2012Daidaitawa.

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Cikakken Bayani

Tags samfurin

Dubawa

Daidaito:ASTM A53/A53M-2012

Ƙungiya mai daraja: GR.A, GR.B , da dai sauransu

Kauri: 1-100 mm

Diamita na waje (Zagaye): 10 - 1000 mm

Tsawon: Kafaffen tsayi ko tsayin bazuwar

Siffar Sashe: Zagaye

Wurin Asalin: China

Takaddun shaida: ISO9001:2008

Alloy Ko A'a: ba

Aikace-aikace: don karfi da kuma matsa lamba sassa, amma kuma ga general manufa tururi, ruwa, gas da iska bututu

Surface Jiyya: A matsayin abokin ciniki ta bukata

Technique: Zafafan Mirgina ko Sanyi

Maganin zafi: Ragewa/Mai daidaitawa/Rashin damuwa

Bututu na Musamman: Bututun bango mai kauri

Amfani: don ƙarfi da sassa na matsa lamba, don manufa ta gaba ɗaya

Gwajin: ECT/UT

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%,≤
Daraja	C	Mn	P	S	Ku^A	Ni^A	Cr^A	Mo^A	V^A
S type (bututu mara nauyi)
GR.A	0.25^B	0.95	0.05	0.045	0.40	0.40	0.40	0.15	0.08
GR.B	0.30^C	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
E type (Resistance welded bututu)
GR.A	0.25^B	0.95	0.05	0.045	0.40	0.40	0.40	0.15	0.08
GR.B	0.30^C	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08
Nau'in F (Furnace Welded Pipe)
A	0.30^B	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)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.