JIS G 3452 Paipu kilaʻO ke kūlana Iapana no ka paipu kila kalapona i hoʻohana ʻia me ke kaomi hana haʻahaʻa no ka lawe ʻana i ka mahu, ka wai, ka aila, ke kinoea, ka ea, etc.
He kūpono ia no nā paipu me ke anawaena o waho o 10.5 mm-508.0 mm.
Nā pihi hoʻokele
Hōʻailona o ka papa a me ka hana hana o JIS G 3452
ʻAno Hoʻopau Paipu o JIS G 3452
Huina kemika o JIS G 3452
Nā Pono Mechanical o JIS G 3452
Waiwai Palahalaha
ʻO ke kūpale ʻana
Hoʻāʻo Hydraulic a i ʻole Nondestructive Test (NDT)
Papa Kaumaha Paipu a me nā Manaʻo hoʻomanawanui
Kinohi Paipu kila
Ua hooheheeia o JIS G 3452
Hoailona o JIS G 3452
Nā noi nui o JIS G 3452
Nā Kūlana pili
ʻO kā mākou huahana pili
Hōʻailona o ka papa a me ka hana hana o JIS G 3452
E hana ʻia nā paipu me ka hui kūpono o nā kaʻina hana paipu a me nā ʻano hana hoʻopau i koho ʻia.
| Hōʻailona o ka papa | Hōʻailona o ka hana hana | Hoʻokaʻawale i ka zinc-coating | ||
| Kaʻina hana paipu | ʻano hoʻopau | Hoailona | ||
| SGP | Uila kūʻē welded:E Kuʻi wili ʻia:B | Hoʻopau wela:H Hoʻopau anu:C E like me ka hili ʻana o ke kūpale uila:G | E like me ka haawiia mai13 b). | ʻO nā paipu ʻeleʻele: paipu i haawi ole ia i ka zinc-coating Paipu keʻokeʻo: nā paipu i hāʻawi ʻia i ka zinc-coating |
Hāʻawi mau ʻia nā paipu e like me ka mea i hana ʻia.E hoʻopili ʻia ka paipu anuanu ma hope o ka pau ʻana o ka hana ʻana.
Inā hoʻohana ʻia ke kaʻina hana kuʻekuʻe kūʻē, e hoʻoneʻe ʻia nā welds mai loko a ma waho o ka ʻili o ka paipu e loaʻa ai kahi weld maʻemaʻe ma ka ʻaoʻao o ka paipu.ʻAʻole hiki ke wehe ʻia nā peʻa weld ma ka ʻili o loko inā ma muli o nā mea hana a i ʻole nā palena anawaena paipu.
ʻAno Hoʻopau Paipu o JIS G 3452
Koho Hoopau Paipu
Ke ʻano o ka hopena o ka paipu no DN≤300A/12B: wili a i ʻole ka hopena palahalaha.
Keʻano o ka hopena paipu no DN≤350A/14B: ka hopena palahalaha.
Inā makemake ka mea kūʻai aku i ka hopena beveled, ʻo ke kihi o ka bevel he 30-35 °, ka laulā bevel o ka lihi paipu kila: max 2.4mm.
'Ōlelo Aʻo: Ma JIS G 3452, aia nā pūʻulu A a me nā pūʻulu B o ke anawaena inoa DN.Ma kahi e like ai ka A me DN, he mm ka wae;Ua like ʻo B me NPS, aia ka ʻāpana.
Nā Koina no nā Hoʻopau Pipe Uila
E hana ʻia nā paipu wili ma ka hāʻawi ʻana i nā wili liʻiliʻi e like me ka mea i ʻōlelo ʻia ma JIS B 0203, a hoʻokomo i kekahi o nā ʻaoʻao i hoʻopaʻa ʻia me kahi ʻano ʻano screwed (i kapa ʻia ʻo ke kumu) e like me JIS B 2301 a i ʻole JIS B 2302.
ʻO ka hopena paipu me ke kumu ʻole e pale ʻia me ke apo pale kaula a i ʻole nā mea kūpono ʻē aʻe.
Hiki ke hoʻolako ʻia nā paipu wili me ke kumu ʻole inā ʻōlelo ʻia e ka mea kūʻai.ʻO ka nānā ʻana i nā kaula liʻiliʻi e like me JIS B 0253.
Huina kemika o JIS G 3452
ʻO nā koi maʻamau no ka nānā ʻana kemika a me nā ʻano laʻana no ka nānā ʻana i ka wela e like me ka JIS G 0404 pauku 8. ʻO ke ʻano o ka nānā ʻana i ka wela e like me nā kūlana ma JIS G 0320.
| Hōʻailona o ka papa | P (Pōpika) | S (Sulphur) |
| SGP | ʻoi loa 0.040% | ʻoi loa 0.040% |
ʻO nā kiʻekiʻe kiʻekiʻe o ka phosphorus a me ka sulfur e hōʻemi i ka hana a me nā waiwai mechanical o ke kila a ʻoi aku ka maʻalahi i ka brittleness i ka wā wili.No laila, hiki ke hōʻoia ʻia ka maikaʻi a me ka weldability o nā paipu kila carbon ma ka palena ʻana i ka phosphorus a me ka sulfur content.
Hiki ke hoʻohui ʻia nā mea hoʻohui ʻē aʻe e like me ka mea e pono ai.
Nā Pono Mechanical o JIS G 3452
ʻO nā koi maʻamau no nā hoʻokolohua mechanical e like me nā māhele 7 a me 9 o JIS G 0404. Eia naʻe, o nā ʻano hana laʻana i hāʻawi ʻia ma 7.6 o JIS G 0404, ʻo ke ʻano hoʻohālike A wale nō ka pili.
ʻO ka hoʻāʻo tensile: E like ke ʻano hoʻāʻo me nā kūlana ma JIS Z 2241.
| Hōʻailona o ka papa | Ka ikaika tensile | ʻO ka elongationa min, % | ||||||
| ʻāpana hoʻāʻo | Hoao kuhikuhi | Ka mānoanoa o ka pā, mm | ||||||
| N/mm² (MPA) | ＞3 ≤4 | ＞4 ≤5 | ＞5 ≤6 | ＞6 ≤7 | ＞7 | |||
| SGP | 290 min | No.11 | Kūlike me ke koʻi paipu | 30 | 30 | 30 | 30 | 30 |
| No.12 | Kūlike me ke koʻi paipu | 24 | 26 | 27 | 28 | 30 | ||
| No.5 | Perpendicular to pipe axis | 19 | 20 | 22 | 24 | 25 | ||
| aNo nā paipu o ke anawaena inoa 32A a i ʻole ma lalo, ʻaʻole pili nā waiwai elongation ma kēia papa, ʻoiai e hoʻopaʻa ʻia nā hopena hoʻāʻo elongation.I kēia hihia, hiki ke hoʻohana ʻia ke koi elongation i ʻae ʻia ma waena o ka mea kūʻai aku a me ka mea hana. | ||||||||
Waiwai Palahalaha
Ma ka lumi wela (5 ℃ ~ 35 ℃), pili ka weld i ke kuhikuhi hoʻoemi.E kaomi i ka mea hoʻohālike ma waena o nā paepae ʻelua a hiki i ka mamao H ma waena o nā paepae i ʻelua hapakolu o ke anawaena o waho o ka paipu kila waena, a laila e nānā i nā māwae.
ʻO ke kūpale ʻana
Ke DN≤50A, e hoʻokō i ka hoʻāʻo kūlou.
Ke kulou ana i ka radius o loko o 90° o 6 manawa o ka anawaena o waho o ka paipu, aole e puka mai na mawae ka mea hoao.Ma mua o ke kūlou ʻana, e ana i ke kihi o ka piko mai ke kūlana pololei.
Hoʻāʻo Hydraulic a i ʻole Nondestructive Test (NDT)
Pono kēlā me kēia paipu he Hydraulic Test a i ʻole Nondestructive Test.
Hoʻāʻo Hydraulic
Pono ka paipu e kū i ka 2.5MPa no ka liʻiliʻi loa he 5 s, me ka ʻole o ka leakage.
Ho'āʻo Nondestructive
Hiki ke hoʻohana ʻia nā hiʻohiʻona hoʻāʻo nondestructive no ka nānā ʻana i ka ultrasonic a i ʻole eddy, a e hoʻokō ka paipu i nā ʻano hoʻāʻo nondestructive.
No ka nānā 'ana i ke kani ultrasonic, e ho'ohana 'ia nā la'ana kuhikuhi i kuhikuhi 'ia ma JIS G 0582 i loa'a nā kūlana kuhikuhi papa UE e like me ka pae ho'āla;e hoʻohana ʻia kekahi hōʻailona mai ka paipu i like a ʻoi aku paha ma mua o ka pae hoʻāla e like me ka pae hoʻāla.e hoʻohana ʻia ka hōʻailona ma ke ʻano he pae hoʻāla;ʻO kekahi hōʻailona mai ka pipeline e like a ʻoi aku paha ma mua o ke kiʻekiʻe o ka alarma ke kumu no ka hōʻole ʻana.
No ka nānā ʻana i kēia manawa, e hoʻohana ʻia nā hōʻailona mai nā laʻana kuhikuhi i loaʻa nā kūlana kuhikuhi o ka māhele EZ e like me ka mea i kuhikuhi ʻia ma JIS G 0583 e like me nā pae hoʻāla;ʻO kekahi hōʻailona like a ʻoi aku paha ma mua o ka pae hoʻāla mai ka pipeline he kumu ia no ka hōʻole ʻana.e lawelawe ma ke ano he ala hoala;ʻO kekahi hōʻailona mai ka pipeline e like a ʻoi aku paha ma mua o ke kiʻekiʻe o ka alarma ke kumu no ka hōʻole ʻana.Ma ka manaʻo o ka mea hana, hiki ke hoʻohana ʻia kahi pae hoʻāla koʻikoʻi ma lalo o ka hōʻailona o ka maʻamau kuhikuhi i ʻōlelo ʻia.
Hiki ke hoʻohana ʻia nā ʻano hana hoʻāʻo ʻino ʻole, no ka laʻana no ka ʻike leak flux maʻalahi e like me ka mea i kuhikuhi ʻia ma JIS G 0586.
Papa Kaumaha Paipu a me nā Manaʻo hoʻomanawanui
Huahelu Helu Paona Pipe kila
Manaʻo ʻia ʻo 1 cm3 o ke kila he 7.85g ka nuipaʻa
W=0.02466t(Dt)
W: hui nui o ka paipu (kg/m);
t: mānoanoa pā o ka paipu (mm);
D: waho anawaena o ka paipu (mm);
0.02466: kumu hoohuli no ka loaa ana o W;
Hoʻopuni ʻia i ʻekolu mau helu koʻikoʻi e like me JIS Z 8401, lula A.
Papa Kaumaha Paipu a me nā Manaʻo hoʻomanawanui
aE like ke anawaena inoa i kekahi o na hoailona A a i ole B a e hoikeia ma ka hoopili ana i ka huapalapala A a i ole B, ma kela a me keia ano i hoohanaia, mahope o ka helu o ke anawaena.
bNo nā ʻāpana i hoʻoponopono ʻia ma ka ʻāina, ʻaʻole pili nā ʻae i kēia papaʻaina.
cNo nā paipu o ke anawaena inoa 350A a ʻoi aku paha, hiki ke hoʻololi ʻia ke ana anawaena o waho e ke ana ʻana o ka lōʻihi, a inā he 0.5 %.E hoʻololi ʻia ka lōʻihi o ka pōʻai (I) i ke anawaena o waho (D) me ka hoʻohana ʻana i kēia ʻano.
D=l/Π
D: waho anawaena (mm);
l: pōʻai lōʻihi (mm);
Π: 3.1416.
Kinohi Paipu kila
Ka nana aku
ʻO ka ʻili o loko a me waho o ka paipu e maʻemaʻe a ʻaʻohe mea kīnā ʻole e hoʻohana.
Pono ka paipu me ka pololei, me na welau ma na kihi kupono i ke axis o ka paipu.
Hoʻoponopono ʻino
Hiki ke hoʻoponopono ʻia ka paipu ʻeleʻele (paipu kila me ka ʻole o ka anti-corrosion treatment) ma ka wili ʻana, ka mīkini, a i ʻole nā ʻano hana ʻē aʻe, a maʻalahi ka ʻili i hoʻoponopono ʻia ma ka ʻaoʻao o ka paipu.
Eia nō naʻe, mālama ʻia ka mānoanoa o ka pā i hoʻoponopono ʻia i loko o nā tolerances i kuhikuhi ʻia.
Kaʻili ʻili
Hiki ke uhi ʻia nā ʻaoʻao ʻelua a ʻelua paha o ka paipu e laʻa, ka uhi ʻana i ka zinc, ka uhi epoxy, ka uhi mua, 3PE, FBE, etc.
Ua hooheheeia o JIS G 3452
Wehewela Galvanizing
ʻO nā paipu kila, inā galvanized, nā paipu wili a me nā kumu e uhi ʻia me ka zinc ma mua o ka hoʻopaʻa ʻana i nā kaula.
ʻO ka hoʻomaʻemaʻe ʻana i ka ʻili kila ma ka sandblasting, pickling, etc.
No ka uhi ʻana i ka zinc, e hoʻohana ʻia ka zinc ingot Class 1 i kuhikuhi ʻia ma JIS H 2107 a i ʻole zinc me ka liʻiliʻi o ka maikaʻi like me kēia.
ʻO nā koi maʻamau ʻē aʻe no ka uhi zinc i kuhikuhi ʻia ma JIS H 8641.
Hoʻokolohua Galvanization
ʻO ke ala hoʻāʻo E like me ke ʻano hoʻāʻo i hōʻike ʻia ma ka Paukū 6 o JISH0401, hoʻokomo ʻia ka specimen i loko o ka solution copper sulfate, no 1 min 5 mau manawa, a nānā ʻia ka specimen e ʻike inā hiki i ka hopena.
Hoailona o JIS G 3452
Aia ka ʻike o ka logo ma ka liʻiliʻi loa i nā mea i hiki ke hoʻonohonoho manuahi ʻia.
a) Hōʻailona o ka papa (SGP)
b) Hōʻailona o ka hana hana
ʻO ka hōʻailona o ka hana hana e like me kēia.Hiki ke pani ʻia nā kaha me nā hakahaka.
E like me ka uila kū'ē welded kila paipu: -EG
Hot-hoʻopau uila kū'ē welded kila paipu: -EH
ʻO ke anuu-hoʻopau uila kūpaʻa welded kila paipu: -EC
Paipu kila i hoʻopaʻa ʻia ma ke kī: -B
c) Nā ana, i hōʻike ʻia e ke anawaena nominal
d) Ka inoa o ka mea hana a i ʻole ka hōʻailona hōʻailona
Laʻana: BOTOP JIS G 3452-EG SGP 500A*7.9*12000MM PIPE NO.001
Nā noi nui o JIS G 3452
Hoʻohana nui ʻia nā paipu kila JIS G 3452 no ka lawe ʻana i ka wai, ke kinoea, ka aila, ka mahu, a me nā kumu nui ʻē aʻe.Hoʻohana mau ʻia kēia mau paipu i ke kūkulu ʻana, nā mīkini, nā kaʻa, nā moku, a me nā māla ʻē aʻe.
ʻOihana ʻaila a me ka ʻaila: hoʻohana ʻia i nā ʻōnaehana paipu no ka lawe ʻana i ka aila, kūlohelohe kinoea liquefied petroleum gas, etc.
ʻOihana kūkulu hale: hoʻohana ʻia no nā ʻōnaehana hydraulic, nā paipu wai, nā ʻōnaehana hoʻomehana, nā ʻōnaehana ea, a me nā mea ʻē aʻe i nā hale kūkulu.
Mea hana mīkini: Hoʻohana ʻia i nā ʻōnaehana hydraulic, nā ʻōnaehana pneumatic, ka lawe ʻana i nā pipeline o nā mea hana mechanical, etc.
Hana kaʻa: hoʻohana ʻia i ka ʻōnaehana hoʻopau, ʻōnaehana wahie, ʻōnaehana hydraulic, a me nā mea ʻē aʻe o ke kaʻa.
Kapili moku: hoʻohana ʻia i nā ʻōnaehana paipu, ka hale o nā moku, etc.
ʻOihana kemika: hoʻohana ʻia i loko o nā mea kanu kemika no ka lawe ʻana i ka paipu, reactors, etc.
'enekinia kaona: hoʻohana ʻia i nā ʻōnaehana paipu no ka hoʻolako ʻana i ka wai o ke kūlanakauhale, ka hoʻoheheʻe wai, ka mālama ʻana i ka wai, etc.
Nā Kūlana pili
ASTM A53/A53M, DIN 2440, EN 10255, GB/T 3091, BS 1387, ISO 65, NFA 49-146,AS/NZS 1163, API 5L, ASTM A106/A106M, EN 10216-1, GB 8163.
ʻO kā mākou huahana pili
ʻO mākou kekahi o nā mea hoʻolaha kiʻekiʻe kiʻekiʻe kiʻekiʻe a me nā mea kūʻai mai Kina, me ka nui o nā paipu kila kila kiʻekiʻe, ua paʻa mākou i ka hāʻawiʻana iāʻoe i ka piha piha o nā paipu paipu.No nā kikoʻī huahana hou aku, e ʻoluʻolu e kelepona mai iā mākou, ke kakali nei mākou i ke kōkua ʻana iā ʻoe e ʻike i nā koho paipu kila maikaʻi loa no kāu mau pono!
Tags: jis g 3452, sgp, erw, nā mea hoʻolako, nā mea hana, nā hale hana, nā mea kūʻai, nā hui, kūʻai nui, kūʻai, kumukūʻai, ʻōlelo, nui, no ke kūʻai aku, kumukūʻai.
Ka manawa hoʻouna: Apr-28-2024