ʻAno E paipu kilahanaia e like meASTM A53a hana ʻia me ka hoʻohana ʻana i ka Electric-Resistance-Welding (ERW) kaʻina hana.
Hoʻohana mua ʻia kēia paipu no nā noi mīkini a me ke kaomi akā kūpono no ka hoʻohana ʻana ma ke ʻano he paipu maʻamau no ka lawe ʻana i ka mahu, ka wai, ke kinoea, a me ka ea.
Ka laula nui oʻO ASYM A53 ka DN 6-650.
Ka laula hana oʻO ke ʻano E ʻo DN 20-650 DN.
ʻO nā anawaena paipu ma lalo o DN 20 he liʻiliʻi loa no ka Type E. No nā kumu ʻenehana ʻaʻohe ala e hana ai iā lākou, no laila ʻo Type S, ʻo ia kahikaʻina hana maʻemaʻe, hoʻohana mau ʻia.
Kaʻina hana no ka ASTM A53 Type E
ʻO ke kaʻina hana e pili ana i ka hana ʻana i nā wili kila ma o nā ʻōwili, nā ʻaoʻao kuʻi ma ka hoʻomehana ʻana i ke kūpaʻa, ka deburring welds, a me ka nui a me ka hoʻopololei ʻana e hana i nā paipu.
Nā hiʻohiʻona o ASTM A53 Type E Steel Pipe
Loaʻa i ʻelua mau wiliwili lōʻihi ma loko a ma waho.Hoʻopiliʻia nāʻaoʻao o nā papa kila ma loko a ma waho o ka paipu i ka wā o ka hana hana e hōʻoia i ka ikaika a me ka sila.
ʻAʻole ʻike ʻia nā weld o loko a me waho.Hoʻomaʻemaʻe ʻia nā welds kūloko a me waho e like me ke kiʻekiʻe e like me ka ʻili o ka paipu i ka wā o ka hana ʻana, e kōkua ana i ka hiʻohiʻona holoʻokoʻa a me nā waiwai hydrodynamic hiki o ka paipu.
ʻO ASTM A53 ʻAno E Nā Mea Kemika
No kēlā me kēia ho'ēmi o 0.01 % ma lalo o ke kalapona kiʻekiʻe i ʻōlelo ʻia, e ʻae ʻia ka piʻi ʻana o 0.06 % o ka manganese ma luna o ka palena kiʻekiʻe a hiki i ka 1.65 %.
ʻO Cu, Ni, Cr, Mo, a me V, ʻo ia nā mea ʻelima i hui pū ʻia ʻaʻole ma mua o 1.00%.
ʻO ASTM A53 ʻAno E Mechanical Properties
Ho'āʻo Kuʻuna
E ho'āʻo ʻia nā paipu welded kū'ē DN ≥ 200 me ka hoʻohana ʻana i ʻelua mau hiʻohiʻona transverse, hoʻokahi ma ka weld a ʻo kekahi e kū pono ana i ka weld.
| Papa inoa | hoʻokaʻawale | Papa A | Papa B |
| Ka ikaika tensile, min | MPa [psi] | 330 [48,000] | 415 [60,000] |
| Ka ikaika hāʻawi, min | MPa [psi] | 205 [30,000] | 240 [35,000] |
| Elongation i loko o 50 mm (2 in) | Nānā | A, B | A, B |
Nānā A: E hoʻoholo ʻia ka elongation liʻiliʻi ma 2 in[50 mm] e ka hoohalike penei:
e = 625000 [1940] A0.2/U0.9
e = ka lōʻihi liʻiliʻi ma 2 i loko a i ʻole 50 mm i ka pākēneka, hoʻopuni ʻia i ka pākēneka kokoke loa
A = ka liʻiliʻi o 0.75 iniha2[500 mm2] a me ka ʻāpana kea o ka hōʻike hoʻāʻo hoʻopaʻapaʻa, i helu ʻia me ka hoʻohana ʻana i ke anawaena o waho o ka paipu, a i ʻole ka laula inoa inoa o ka specimen hoʻāʻo hoʻopaʻapaʻa a me ka mānoanoa o ka pā i ʻōlelo ʻia o ka paipu, me ka helu helu i hoʻopuni ʻia i ka 0.01 kokoke loa. i loko2 [1 mm2].
U = ka ikaika uʻi liʻiliʻi i ʻōlelo ʻia, psi [MPa].
Nānā B: E nānā i ka Papa X4.1 a i ʻole Papa X4.2, ʻo ia ka mea e pili ana, no nā koina elongation haʻahaʻa i koi ʻia no nā hui like ʻole o ka nui o ka hōʻike hoʻāʻo ʻana a me ka ikaika tensile haʻahaʻa i kuhikuhi ʻia.
Ho'āʻo Bend
No ka paipu, DN ≤50, hiki i ka lōʻihi o ka paipu ke kūlou i ke anuanu ma o 90 ° a puni kahi mandrel cylindrical, ʻo ke anawaena he ʻumikumamālua manawa o ka anawaena o waho o ka paipu, me ka hoʻomohala ʻole ʻana i nā māwae ma kekahi ʻāpana a me ka ʻole. wehe ana i ka weld.
ʻAʻole pono e hoʻokō ʻia ka paipu pālua ʻoi aku ka ikaika ma luna o DN 32 i ka hoʻāʻo ʻana.
"Double-extra-strong", i kapa pinepine ʻia ʻo XXShe paipu me ka mānoanoa o ka paia i hoʻoikaika nui ʻia, i hoʻohana mau ʻia i nā ʻoihana ʻoihana e kū i nā koʻikoʻi kiʻekiʻe a me nā wahi ʻoi aku ka paʻakikī.ʻOi aku ka mānoanoa o ka pā o kēia paipu ma mua o ka paipu maʻamau, no laila hāʻawi ia i ka ikaika a ʻoi aku ka maikaʻi.
Ho'āʻo palahalaha
E hana ʻia ka hoʻāʻo palahalaha ma luna o ka paipu wili ʻia ma luna o DN 50 i ke kaumaha ʻoi aku ka ikaika (XS) a i ʻole ka māmā.
Pili ke kaʻina hana hoʻokolohua i ke ʻano E, Papa A a me B.
I ka wā paʻi paʻa, pono e hoʻonoho ʻia ka weld ma 0 ° a i ʻole 90 ° i ka laina o ke kuhikuhi ikaika, e pili ana i nā koi kikoʻī.
KaʻAnuʻu 1: E hoao i ka ductility o ka weld.ʻAʻohe māwae a haki paha i loko a i waho paha o ka weld a hiki i ka mamao ma waena o nā papa pālahalaha ma lalo o ʻelua hapakolu o ke anawaena o waho o ka paipu.
KaʻAnuʻu 2: E hoʻomau i ka paʻi palahalaha a hoʻāʻo no ka ductility ma kahi o waho o ka weld.ʻAʻohe māwae a haki paha ma loko a ma waho paha o ka paipu ma waho aʻe o ka weld a hiki i ka mamao ma waena o nā papa palahalaha ma lalo o ka hapakolu o ke anawaena o waho o ka paipu, akā ʻaʻole e emi iho ma mua o ʻelima mau manawa o ka mānoanoa o ka paipu. paipu paia.
KaʻAnuʻu 3: E ho'āʻo i ka pono o ka mea ma ka hoʻomauʻana i ka paʻi palahalaha a hiki i ka wā e haki ai ka mea ho'āʻo a iʻole e pili nā paia paipu.Hoʻohana ʻia kēia no ka hoʻāʻo ʻana i ka mea no nā pilikia e like me nā ʻāpana ʻāhaʻi, maikaʻi ʻole, a i ʻole nā welds piha ʻole.
Hoʻāʻo Hydrostatic
E hoʻohana ʻia ka hoʻāʻo hydrostatic, me ka ʻole o ka leaka ma o ka weld seam a i ʻole ke kino paipu.
E ho'āʻo hydrostatically ka paipu pāpū i ke kaomi kūpono i hāʻawi ʻia ma ka Papa X2.2,
e ho'āʻo hydrostatically i ka paipu i hoʻopaʻa ʻia a hui ʻia i ke kaomi kūpono i hāʻawi ʻia ma ka Papa X2.3.
No nā paipu kila me DN ≤ 80,ʻaʻole eʻoi aku ke kaumaha o ka ho'āʻo ma mua o 17.2MPa;
No nā paipu kila me DN ＞80, ʻaʻole ʻoi aku ka nui o ke kaomi hoʻāʻo ma mua o 19.3MPa;
Hoao Uila Nondestructive
No nā paipu Type E a me Type F Class B DN ≥ 50, pono e hoʻokau ʻia nā welds i ka hoʻāʻo uila non-destructive.
E hana ʻia nā hoʻāʻo uila non-destructive e like me nā kikoʻī E213, E273, E309 a i ʻole E570.
Inā hana ʻia ka hoʻāʻo ʻana i ka uila non-destructive, e kaha ʻia ka paipu "NDE".
ʻO ka ASTM A53 Nā Manaʻo hoʻomanawanui
Nā Papa Kaumaha Paipu a me nā Papa Hana Paipu
ʻO nā pono o ka ASTM A53 Type E Pipe
ʻO ke kuʻi kūʻē kūʻē he ala haʻahaʻa haʻahaʻa haʻahaʻa, e hana ana i nā paipu Type E maʻalahi ke hana a kūpono no ka hana nui.
ʻO ke kaʻina hana welding resistance wikiwiki a hiki ke hana mau ʻia, e hoʻonui ai i ka huahana a hoʻemi i nā manawa alakaʻi.
Ma muli o kona mau ʻano mechanical maikaʻi a me ka pale ʻana i ka corrosion, hoʻohana nui ʻia kēia ʻano paipu i nā ʻano noi like ʻole no ka lawe ʻana i nā wai, e like me ka wai, ke kinoea, a me ka mahu.
Hiki ke ʻike ʻole ʻia nā welds ma o ka hoʻomaʻamaʻa maikaʻi ʻana i nā welds, ʻaʻole ia e hoʻomaikaʻi wale i ke ʻano o ka paipu akā hiki ke hōʻemi i ke kūʻē ʻana i ka kahe wai i hana ʻia e nā welds..
Nā noi o ASTM A53 Type E Steel Pipe
Hoʻohana hale: I ke kūkulu ʻia ʻana, hoʻohana ʻia ka paipu kila A53 Type E ma ke ʻano he mau mea hana e like me ke kākoʻo hale a me nā ʻōnaehana truss.
Paipu wai: Hoʻohana ʻia i nā ʻōnaehana wai no nā hale, me nā ʻōnaehana sprinkler ahi.
Pūnaehana mahu: Ma nā ʻoihana ʻoihana, hoʻohana pinepine ʻia kēia paipu kila i nā ʻōnaehana hoʻouna mahu, ʻoi aku hoʻi i nā noi haʻahaʻa haʻahaʻa.
Hoʻouna kinoea: Hoʻohana ʻia no ka lawe ʻana i nā kinoea kūlohelohe a i ʻole nā kinoea ʻē aʻe, ʻoi aku hoʻi i nā ʻōnaehana hoʻolako kinoea kūloko a me nā hale noho.
Mea kanu kemika: no ka lawe ana i ka mahu, ka wai, a me na mea kemika e ae.
Nā wili pepa a me ke kō: e lawe i nā mea maka a me nā huahana i hoʻopau ʻia, a me ka hoʻolei ʻana i nā ʻōpala hana.
Nā ʻōnaehana hoʻomehana a me ka hoʻoluʻu: Hoʻohana nui ʻia no ka paipu ʻana i nā ʻōnaehana hoʻomehana, ventilation, a me ka ea (HVAC).
Hoʻomaʻemaʻe wai ʻōpala: No ka lawe ʻana i ka wai ʻino a i ʻole ka wai i mālama ʻia.
Pūnaehana wai: Nā paipu wai i hoʻohana ʻia no ka hoʻoinu ʻana i ka ʻāina mahiʻai.
Ka mina: Hoʻohana ʻia no ka lawe ʻana i ka wai a me ke kinoea ma nā mines.
ʻO kā mākou huahana pili
Mai kona hoʻokumu ʻana i ka makahiki 2014, ua lilo ʻo Botop Steel i mea hoʻolako alakaʻi i ka paipu kila carbon ma Northern China, i ʻike ʻia no ka lawelawe maikaʻi loa, nā huahana kiʻekiʻe, a me nā hoʻonā piha.
Hāʻawi ka hui i nā ʻano paipu kila carbon a me nā huahana pili,
me ka seamless, ERW, LSAW, a me SSAW paipu kila, a me ka laina piha o na paipu paipu a me na flanges.
ʻO kāna mau huahana kūikawā pū kekahi me nā mea kila kiʻekiʻe a me nā kila stainless austenitic, i hoʻokō ʻia e hoʻokō i nā koi o nā papahana pipeline like ʻole.
Tags: ASTM a53, ʻano e, papa a, papa b, erw.
Ka manawa hoʻouna: Mei-12-2024