Kūʻai wela ʻo Kina ʻO nā paipu hao ʻeleʻele ʻeleʻele i nā mea kūkulu hale

ʻO ka wehewehe pōkole:

ʻO ka paipu kila maʻemaʻe no ka hana wela kiʻekiʻe ASTM A106, kūpono no ka wela kiʻekiʻe


Huahana Huahana

Huahana Huahana

Nānā nui

Me kēia ʻōlelo hoʻomanaʻo, ua lilo mākou i waena o nā mea hana ʻenehana hou loa, kumukūʻai, a me nā kumu hoʻokūkū hoʻokūkū no Hot-Rolled Seamless Steel Pipes, Welina mai nā mea kūʻai maikaʻi a pau e kamaʻilio i nā kikoʻī o nā hopena a me nā manaʻo me mākou!! Mālama mākou i nā hoʻoikaika lōʻihi a me ka hoʻohewa ʻana iā mākou iho, e kōkua iā mākou a hoʻomaikaʻi mau. Hoʻoikaika mākou e hoʻomaikaʻi i ka pono o ka mea kūʻai aku e mālama i nā kumukūʻai no nā mea kūʻai. Hana mākou i ka maikaʻi loa e hoʻomaikaʻi i ka maikaʻi o ka huahana. ʻAʻole mākou e ola i ka manawa kūpono o ka wā.

Palapala noi

ʻO ka paipu kila maʻemaʻe no ka hana wela kiʻekiʻe ASTM A106, kūpono no ka wela kiʻekiʻe

Papa Nui

Papa o ke kila kalapona kiʻekiʻe: GR.A,GR.B,GR.C

Mea Kimia

 

Hui, %
Papa A Papa B Papa C
Carbon, max 0.25A 0.3B 0.35B
Manganese 0.27-0.93 0.29-1.06 0.29-1.06
Phosphorus, max 0.035 0.035 0.035
Sulfur, max 0.035 0.035 0.035
Silika, min 0.10 0.10 0.10
Chrome, maxC 0.40 0.40 0.40
Ke keleawe, maxC 0.40 0.40 0.40
Molybdenum, maxC 0.15 0.15 0.15
Nikela, maxC 0.40 0.40 0.40
Vanadium, maxC 0.08 0.08 0.08
A No kēlā me kēia hōʻemi o 0.01% ma lalo o ka nui kalapona i ʻōlelo ʻia, e ʻae ʻia ka piʻi ʻana o 0.06% manganese ma luna o ka palena kiʻekiʻe a hiki i ka 1.35%.
B Inā ʻaʻole i ʻōlelo ʻia e ka mea kūʻai aku, no kēlā me kēia hōʻemi o 0.01% ma lalo o ke kalapona kiʻekiʻe i ʻōlelo ʻia, e ʻae ʻia ka piʻi ʻana o 0.06% manganese ma luna o ka palena kiʻekiʻe a hiki i ka 1.65%.
C ʻAʻole ʻoi aku ka nui o kēia mau mea ʻelima i ka 1%.

Waiwai Mekani

Papa A Papa B Papa C
Ka ikaika uʻi, min, psi(MPa) 48 000(330) 60 000(415) 70 000(485)
Ka ikaika hua, min, psi(MPa) 30 000(205) 35 000(240) 40 000(275)
Ka lōʻihi Kūʻē Ka lōʻihi Kūʻē Ka lōʻihi Kūʻē
Elongation ma 2 in. (50 mm), min, %
Nā ho'āʻo hoʻāʻo transverse elongation liʻiliʻi loa, a no nā nui liʻiliʻi āpau i hoʻāʻo ʻia ma ka pauku piha
35 25 30 16.5 30 16.5
I ka wā maʻamau puni 2-in. (50-mm) ana ka loa ho'āʻo specimen hoʻohana 28 20 22 12 20 12
No nā hoʻokolohua lōʻihi lōʻihi A A A
No nā hoʻāʻo ʻāwīwī, he unuhi no kēlā me kēia 1/32-in. (0.8-mm) emi i ka mānoanoa o ka pā ma lalo o 5/16 in. (7.9 mm) mai ka li'ili'i li'ili'i loa elongation e hana 'ia. 1.25 1.00 1.00
A E hoʻoholo ʻia ka elongation liʻiliʻi ma 2 in. (50 mm) e ka hoohalike penei:
e=625000A 0.2 / U 0.9
no na huina iniha-pauna, a
e=1940A 0.2 / U 0.9
no nā ʻāpana SI,
ma hea:
e = ka lōʻihi liʻiliʻi ma ka 2 in. (50 mm), %, hoʻopuni ʻia i ka 0.5% kokoke loa,
A = ʻāpana keʻa o ka hōʻike hoʻāʻo hoʻopaʻapaʻa, in.2 (mm2), ma muli o ke anawaena waho a i ʻole ke anawaena i koho ʻia i waho a i ʻole ka laulā kikoʻī kikoʻī a me ka mānoanoa o ka pā i kuhikuhi ʻia, i hoʻopuni ʻia i ka 0.01 in.2 (1 mm2) kokoke loa. . (Inā like a ʻoi aku paha ka ʻāpana i helu ʻia ma mua o 0.75 in.2 (500 mm2), a laila e hoʻohana ʻia ka waiwai 0.75 in.2 (500 mm2).
U = ikaika tensile i kuhikuhi ʻia, psi (MPa).

Koi hoao

Ma kahi o ka hōʻoia ʻana i ka haku melemele a me nā waiwai mechanical, hana ʻia nā hoʻokolohua hydrostatic i kēlā me kēia, a hana ʻia nā hoʻāʻo flaring a flattening. . Eia kekahi, aia kekahi mau koi no ka microstructure, ka nui o ka palaoa, a me ka papa decarburization o ka paipu kila i hoʻopau ʻia.

Hiki ke hoolako

Hiki ke hoʻolako: 1000 Tons i kēlā me kēia mahina no ka papa o ASTM SA-106 Steel Pipe

Hoʻopili ʻia

I loko o nā pūʻolo a i loko o ka pahu lāʻau ikaika

Hāʻawi

7-14 mau lā inā ma ka waihona, 30-45 mau lā e hana ai

Uku

30% depsoit, 70% L/C a i ʻole B/L kope a i ʻole 100% L/C i ka ʻike

Huahana Huahana

Paipu paila


GB/T5310-2017


ASME SA-106/SA-106M-2015


ASTMA210(A210M)-2012

nā paipu kila eamless no ka hana maʻamau


ASME SA-213/SA-213M


ASTM A335/A335M-2018


  • Mua:
  • Aʻe:

  • E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou