Kasar Sin ba ta da tsira da man fetur masu samar da kayan masarufi da mai samar da kaya

Ba tare da takaici don manoma-galvanized bututu ba

Ba tare da takaici ba mai zafi-galvanized PIPE wanda aka buga

A takaice bayanin:

Bututun ƙarfe mara kyau don Juɗama manufa Steam, Ruwa, Gas da Air Lines aAstm A53 / A53m-2012Misali.

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Cikakken Bayani

Tags samfurin

Bayyani

Standard:Astm A53 / A53m-2012

Rukuni na aji: Gr.A, Gr.B, da sauransu

Kauri: 1 - 100 mm

Diami na waje (zagaye): 10 - 1000 mm

Tsawon: tsayayyen tsayi ko tsawon lokaci

Siffar sashe: zagaye

Wurin Asali: China

Takaddun shaida: ISO9001: 2008

Alloy ko a'a: ba

Aikace-aikacen: Don ƙarfi da kuma matsi da matattarar manufa, amma kuma don dalimar manufa tururi, ruwa, gas da bututun iska

Jiyya na farfajiya: Kamar yadda ake buƙata na abokin ciniki

Dabara: zafi birgima ko sanyi yi birgima

Jiyya mai zafi: Annealing / Dama / Disting / damuwa

Bututun musamman: bututun bango

Amfani: Don ƙarfi da kuma matsi da matattara, don manufa gaba ɗaya

Gwaji: Ect / UT

Roƙo

Ana amfani da shi musamman don ƙarfi da kuma matsin lamba sassa, da kuma don janar na gaske tururi, ruwa, gas da bututun iska.

Babban aji

Gr.a, Gr.b

Sayarwar sunadarai

Sa	Kayan%, ≤
Sa	C	Mn	P	S	Chu^A	Ni^A	Cr^A	Mo^A	V^A
P na rubuta (bututu mara kyau)
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 e irin (juriya da bututun da aka welded)
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
F Type (Fugna welded bututu)
A	0.30^B	1.20	0.05	0.045	0.40	0.40	0.40	0.15	0.08

Jimlar wadannan abubuwa guda biyar dole ne su fi 1.00%.

B ga kowane 0.01% rage a cikin matsakaicin abun ciki, an bar matsitar manganese ya karu da 0.06%, amma matsakaicin ba zai iya wuce 1.35% ba.

C kowane 0.01% rage a cikin matsakaicin abun ciki zai ba da izinin matsakaicin abun cikin manganese don ƙaruwa da 0.06%, amma matsakaicin dole ne ya wuce 1.65%.

Dukiyar inji

kowa

Gr.a

Gr.b

tenarfin tenarshe, ≥, PSI [MPA]

Inganta ƙarfi, ≥, PSI [MPA]

Guyawa 2nin.or 50m elongation

48 000 [330] 30 000 [205] A, B

60 000 [415] 35 000 [240] A, B

Mafi ƙarancin elongation na ma'aunin 2in. (50mm) za a tabbatar da shi ta hanyar da aka tabbatar da wannan tsari:

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

e = mafi ƙarancin elongation na ma'aunin 2in. (50mm), kashi ya zagaye zuwa kashi 0.5%;

A = lissafta gwargwadon ƙayyadadden diamita na waje na nomiya ko faɗuwar yanki mai tsayi na 0.75mym2), wanda ya karami.

U = ƙayyadadden karancin tensile, PSI (MPA).

B saboda haduwa da daban-daban masu girma na Tenesile da aka tsara, an nuna mafi karancin elongation na X4.1 ko Table X4.2, bisa ga yawan lokacin da ta biya.