Paipu kila kila

Paipu kila kila'o ia ka 'ino'ino -huahana kila tubular i ho'olālā 'ia a punimedia lawelawe, pae chloride, mahana, kaomi, a me ke ano hana(welding, bending, pickling/passivation). ʻAʻole koho ʻia ka paipu "pololei" ma ka inoa papa wale nō-mea kūʻai maʻamau e laka i ka paipumaʻamau (ASTM/EN/ISO), ʻano huahana (seamless a welded), a me ka nānā ʻana/pepa palapala.mua, a laila e hōʻoia i ka pae a me ke kūlana ʻili e pono ai no ka hilinaʻi - lōʻihi.

ʻO ka paipu kila kila kekahi o ka hoʻohana nui ʻia o ka paipu hoʻoheheʻe ʻia no nā wai ʻino, -lawelawe kaomi kiʻekiʻe, a me nā noi wela kiʻekiʻe. Ma lalo o nā kūlana ASTM A312 / ASME SA312 i ʻike ʻia ma ke ao holoʻokoʻa, ua hana ʻia nā paipu kila kila ma nā ʻano hana ʻole, welded, a me ke anu nui e hoʻokō i nā koi koʻikoʻi o nā ʻoihana e like me ka aila a me ke kinoea, petrochemical, hana mana, mālama wai, meaʻai & mea inu, a me ke kūkulu ʻana.

Me hemea hana paipu kila kilaa hoʻopuka -hoa hoa lako i lokopaipu kila kila Kina, Hāʻawi ʻo Octal Pipe i nā paipu kila kila me ka uhi piha piha, ka mana pololei, a me ka hōʻoia ʻana i ka maikaʻi. Ua hōʻoia ʻia kā mākou huahana i nā kūlana koʻikoʻi honua (ASTM, ASME, EN, DIN) a ua hoʻohālikelike ʻia e hoʻokō i nā koi o nā mea kūʻai aku ma nā ʻōnaehana kaʻina koʻikoʻi a me nā noi hoʻolālā.

Hāʻawi ʻo Octal Pipe i nā paipu kila kila i hana ʻia e like me ASTM A312 / ASME SA312 a me nā kūlana honua ʻē aʻe. Loaʻa kēia mau paipu i nā ʻano laulima ʻole, welded (RW/EFW), a me ke anu nui (HCW), e hāʻawi ana i ka pale ʻana i ka corrosion maikaʻi loa, ka ikaika wela kiʻekiʻe, a me ke kiko kikoʻī.
Me nā māka e uhi ana iā TP304/304L, TP316/316L, TP321, TP347, TP310S, Duplex 2205, a me Super Duplex 2507, ʻo kā mākou mau paipu kila kila e lawelawe i nā ʻoihana like ʻole me ka aila a me ke kinoea, petrochemical, hana kemika, hana mana, mālama wai a me ke kūkulu ʻana.

1.Scope & Base Standards

• ASTM A312 / ASME SA312 – ʻO ka paipu kila kuhiliʻole Austenitic no ka ʻino maʻamau a me ka lawelawe wela -kiʻekiʻe; uhi ʻia ʻo Seamless (SMLS), Welded (me/me ka hoʻopiha ʻole), a me Heavily Cold Worked (HCW).
• Nā kuhikuhina ana: ASME B36.19M (nā nui o ka paipu stainless/kaumaha) a me ASME B36.10M (inā pili).
• Nānā a me nā palapala: EN 10204 3.1/3.2 palapala hōʻoia; mea koho ITP/hōʻike.

2. Nā Kūlana pili

• ASTM A213 / SA213– ʻO ka paila a me ka mea wela nui.
• ASTM A269 - ʻO ka lawelawe maʻamau / nā mea hana paipu.
• ASTM A358 – Nui -diameter uila-fusion-welded paipu austenitic (EFW).
• ASTM A789 / A790 - Duplex a me Super Duplex mau paipu stainless.
• EN 10216-5 / EN 10217-7 - ʻO nā paipu kulika ʻole / welded no ke kumu kaomi.
• ʻO ka lawelawe ʻawaʻawa koho: NACE MR0175 / ISO 15156.

3. Hāʻawi ʻia nā ʻohana papa

• TP304 / TP304L – 18Cr-8Ni; kumu nui, weldable a formable.
• TP316 / TP316L – Mo-bearing, maikaʻi loa i ka lawelawe chloride.
• TP321 / TP347 – Hoʻokūpaʻa ʻia ʻo Ti/Nb, pale i ka hoʻoheheʻe ʻia ʻana ma waena o ka pou -.
• TP310S – Kiʻekiʻe Cr-Ni, kūʻokoʻa i ka wela kiʻekiʻe.
• Duplex 2205 / Super Duplex 2507 – Ka ikaika kiʻekiʻe, kūʻē SCC maikaʻi loa.

4.Paʻi palapala & Traceability

• Nā MTR me ka nānā ʻana kemika, nā hopena mechanical, nā moʻolelo NDT, nā lāʻau lapaʻau wela.
• Heat helu hehi no ka piha traceability.
• Loaʻa ka hoʻokolohua PMI ma ke noi.
• Nā ho'āʻo corrosion a me IGC (ASTM A262, G48).

316L paipu kila kila

316L paipu kila kilaua ho'ākāka pinepine 'ia no ka chloride -wai lawe, lawelawe kemika ha'aha'a, a me ke kai-e pili ana no ka mea, ho'omaika'i ke kemika amo Mo-ke kū'ē pitting me 304/304L, a'o ka "L" e kāko'o ana i ka hana palekana ma o ka ho'emi 'ana i ka pilikia ma hope o ka wili'ana.

Ma ke kuai ana,316L paipu kila kilapono e wehewehe e: (1) ke kūlana hoʻomalu (e laʻa, ASTM A312 TP316L), (2) ka nui a me ka papa manawa, (3) ke ʻano o ka ʻili (pickled/passivated inā makemake ʻia), a me (4) ka nānā ʻana a me nā palapala kikoʻī -no laila ua kūlike ka paipu i hāʻawi ʻia i nā kuleana lawelawe a me nā pae hoʻoholo e ʻae i nā mea kanu.

Hoʻolako pinepine ʻia ka paipu kila kilamaʻemaʻea i ʻolewili ʻia, a ua hoʻoholo pinepine ʻia ka koho kūpono e kadute (pressure/temperature/cyclic loading), hana hana, a me ka nui o ka nānā ʻana i koi ʻia e ka papahana ITP. Ma ke kū'ai 'ana, 'o ka "seamless vs welded" he mea li'ili'i e pili ana i ka makemake a me nā mea hou a'e e pili ana i ka 'ae 'ana o ka lawelawe i kahi wili weld-a pehea e 'ae 'ia ai a palapala 'ia kēlā seam. ʻO kēia ka mea maʻamau i ka hoʻonohonoho ʻana o Octal Pipe i ke koho ʻana i ka wā e ʻōlelo ana i nā pūʻolo kulika i hui ʻia.

Paipu kila kuhili ʻolekoho pinepine ʻia ke ʻoi aku ka paʻa o ke dute-ke piʻi kiʻekiʻe, ke kiʻekiʻe o ka wela, a i ʻole ke kaʻa kaʻa wela wela-a i ka wā e makemake ai ka poʻe kūʻai i kahi kino paipu like ʻole no nā laina kaʻina hana koʻikoʻi. He ala kūpono ia no nā anawaena liʻiliʻi liʻiliʻi kahi e ikaika ai ka loaʻa ʻana o ka maʻemaʻe a ʻoi aku ka paʻakikī ʻole o ka loaʻa ʻana o ka loiloi hili. ʻO nā mea hoʻoholo koho nui e komo pū me:

• Pono pono ka spec/code i ka maʻalahi
• -Wehewa kiʻekiʻe a i ʻole ka lawelawe cyclic kahi i makemake ʻia ai ka hoʻolālā conservative
• Hoʻomaʻamaʻa paʻa ʻia-no nā wili i hana mua ʻia

Paipu kila kuhiliʻole wili(RW/EFW) ke koho ma'amau no nā anawaena nui, nā holo pololei lō'ihi, a me ke kumu kū'ai -puke kūpono kahi e 'ae ai ke kiko'ī i ka hana wili. Ma 'ane'i, ua ho'ololi 'ia ka mana'o o ke kū'ai 'ana i ka 'ae 'ana i ke ka'ina hana weld, ka laulā NDT (UT/RT inā pili), a me nā koi 'ano o ka ili (pickling/passivation) e pili ana i ka ho'oma'ema'e. Ma nā pūʻolo welded, hoʻopili maʻamau ʻo Octal Pipe i ke ʻano o ka nānā ʻana a me nā palapala i ke ala ʻae o ka pāhana i ʻole e paʻa ka hoʻokuʻu ʻana o ka pūnaewele i ka wehewehe ʻana.

ʻO nā kūlana maʻamau i hoʻohana ʻia ma nā papahanaASTM A312(austenitic stainless pipe),ASTM A790(paipu kuhiliʻole duplex),ASTM A213(nā paipu paila/mea hoʻololi wela),ASTM A269(piu mea kani), aASTM A358(nui-OD welded austenitic paipu).

Inā ʻoe e loiloi ana i kahimea hana paipu kila kila, ʻo ka mea e hoʻokaʻawale ai i kahi kumu hilinaʻi mai kahi mea pilikia, ʻo ia ka mea hiki ke hoʻihoʻi hou i ka hale hana -:hōʻoia papa, kūpaʻa weld (no ka paipu welded), kūpaʻa ʻano, kūlana ʻili, a me ka hiki. Me hehale hana paipu kila kila-mea hoʻolako kākoʻo i lokopaipu kila kila Kina, Ua hoʻonohonoho ʻia ʻo Octal Pipe e hoʻokuʻu i ka paipu kuhili ʻole me nā mana e hiki ai i nā mea kūʻai ke hoʻoponopono i nā papahana maoli-ʻoi aku ka nui ma nā pūʻolo helu -huihui kahi 304L a316L paipu kila kilaʻaʻole hiki ke ʻae ʻia e hele i keʻa.

Loaʻa i kā mākou hale hana-ʻaoʻao nā wahi mana:

• Hōʻoia PMI / kemika (ke koi ʻia):pale i ka -huihui helu-hewa, ka loa'a ma'amau o ka pilikia ma nā mea laina 304L/316L.
• Ka mana mana:OD/WT, ovality, pololei-eia ka mea e ho'oholo ai e kūpono-wikiwiki no ka hana mua a me ka holo lō'ihi.
• Hōʻoiaʻiʻo weld seam (no ka paipu welded):Ma nā hana hana e like me 316L paipu kila kila, hoʻopaʻa mākou i nā ʻāpana weld (puka hoʻokomo wela, ka wikiwiki o ka huakaʻi, ka uhi pale) a me ka hoʻopaʻa ʻana i ke kuʻina me ka nānā ʻana i ka laina; Hoʻomalu ʻia ka ʻaoʻao weld bead i ke kumu ʻae ʻia o ka papahana (i wehewehe ʻia ma ke ʻano he palena o ke kiʻekiʻe o ka bead/undercut a me ka hoʻohālikelike ʻana ma ke ʻano he hana o ka mānoanoa o ka paia), a mālama ʻia ka lawelawe ʻana i ka bead i loko kahi e pono ai e hoʻomau i ka lua no ka hana a me ka lawelawe kahe.
• ʻO ke aʻo ʻana o ke kūlana ʻili:ʻO ka pickling/passivation a me ka hoʻomaʻemaʻe pono i wehewehe ʻia e pale aku i ka "nana maikaʻi, hāʻule i ka lawelawe / komisina".
• Hoʻokuʻu aku i ka ʻeke a me ka hoʻokuʻu palapala ʻāina:No ka meapaipu kila kila Kinalako, ʻo nā pilikia maʻamau o ka papahana ka hui ʻana o ka papa -up, ka pōʻino o ka ʻili, a me ka hoʻokuʻu ʻana i ka wā e loaʻa ai. Hoʻemi ʻo Octal Pipe i kēia me ka hōʻailona maopopo ʻana, ka pale ʻana i ka hopena, nā koho puʻupuʻu puʻupuʻu/frame, a me ka -puke hoʻokuʻu ma ka palapala ʻāina.kaha paipu → MTC → mooolelo nana. He mea maʻalahi ka hopena: ʻoi aku ka liʻiliʻi o nā koi, ʻoi aku ka liʻiliʻi o ka -hōʻoia hou, a ʻoi aku ka wikiwiki o ka hoʻokuʻu hale waihona-no ka mea, hiki mai ka paipu ma ke ʻano he ʻōnaehana hoʻomalu, ʻaʻole he puʻu mea.

ʻO ia ke kumu e ʻimi nei nā mea kūʻaimea hana paipu kila kilaa i ʻolehale hana paipu kila kilai lokopaipu kila kila Kinae noʻonoʻo e pili ana i nā koi maʻamau a me nā mea hou aʻe inā hiki i ka mea hoʻolako ke hāʻawi mau i ka hopena like: ka papa kūpono (me ka316L paipu kila kila), nā ana kūpono, ka ʻili kūpono, a me nā hōʻike nānā pono-me ka hana hou ʻole i ka loaʻa ʻana.

Ma ke ʻano he Mea Hana Paipu Kūleʻa Kūleʻa, hoʻokuʻu ʻo Octal Pipe i ka paipu kuhili ʻole me nā ʻāpana hana i hoʻopaʻa ʻia, hōʻoia ʻia ke kūpaʻa o ka seam (inā pili), a me nā moʻolelo nānā ʻike.

1. ʻole (SMLS)

• Kaʻina hana: ʻO ka hoʻomehana ʻana i ka bila → Ke ʻoki ʻana → Kaʻala ʻana → Ka hoʻonui ʻana → Hoʻopili ʻana i ka hopena → Pickling → Hoʻāʻo.
• Pōmaikaʻi: ʻAʻohe weld seam, hiki ke hilinaʻi ʻia no ka ʻoihana kiʻekiʻe a me ka lawelawe koʻikoʻi.

2. Welded (RW/EFW)

• Kaʻina hana: Kaʻi a i ʻole ka hana ʻana i ka pā → Longitudinal/spiral welding → Solution annealing → Sizing → Straightening.
• Nā Hana Hana: ERW / HFI, TIG / GTAW, SAW, EFW ma muli o OD / WT.
• Pōmaikaʻi: -kuai kūpono, loaʻa ka nui ākea, nā koho hoʻomaʻemaʻe me ka wehe ʻana i ka bead.

3. Heavily Cold Worked (HCW)

• Kaʻina hana: Hoʻemi anuanu ma ka paipu welded + annealing.
• Pōmaikaʻi: Hoʻonui i ka ikaika, ʻoi aku ka paʻa o ka hoʻomanawanui, hoʻopau maʻalahi.

4.Hoʻomaʻamaʻa wela & ʻili

• Hoʻonā Hoʻohui: 1050-1150 degere hoʻopau wikiwiki.
• Nā Koho Ili: Hoʻopili ʻia & ʻiʻo ʻia, hoʻomaʻemaʻe ʻia, satin-ʻoniʻoni, aniani-poli.

5.Quality Mana

• ʻO ka hoʻāʻo hydrostatic, Eddy Current/UT, Radiography ma ka seam & kino.
• ʻO ka hoʻāʻo mīkini: Tensile, yield, hardness, flattening/flaring.
• Nā hoʻāʻo ʻino ʻino: ASTM A262 (IGC), ASTM G48 (pitting).

Ke kumu kūʻai maipaipu kila kila Kina, 'o ka pilikia maoli 'a'ole "hiki i ka wili ke hana i ke kila"-o ka mea hiki i ka mea ho'olakopaʻa papa + nui + kūlana ʻilimau ma kahi pūʻolo holoʻokoʻa. Hoʻokumu ʻia ka papahana stainless ʻo Octal Pipe a puni kēlā ʻoiaʻiʻo: nā paipu maʻemaʻe no nā pae OD ʻoi aku ka paʻa a me ka ʻili i hoʻomalu ʻia, me ka paipu welded no nā anawaena nui, ua hoʻokuʻu ʻia nā mea a pau mai kahi ala hale hana e hui pū ai i ka ʻōwili/draw, mālama wela, hoʻopololei, a pickling i ka laina hoʻokahi.

He mea maʻalahi kēia manaʻo ma kahi PO maoli. Inā makemake ka papahana316L paipu kila kila(hui pinepine me 304L/321 a i ʻole duplex), hiki i ka Octal Pipe ke hoʻomaʻemaʻe i ka pūʻolo ma o ka hana ʻana i loko o nā puka makani OD maʻamau-Φ630 mma wiliia a hiki iΦ2620 mm, me ka mānoanoa pā maʻamau1–35 mm-no laila, 'a'ole e ho'oikaika 'ia ka ho'onui 'ana i ka "workarounds" ma ka -quote. Ma ka ʻaoʻao hana, ʻo ke ala ka mea i hoʻohana ʻia-: a280 wili wili + ʻili, alailakiʻi anuanu/kiʻi anu, ukali ia e-pili kinoeaapicklingno ka hoʻomaʻamaʻa ʻana i ka ʻili, a hope loahoopololei anamamua o ka hookuu ana. ʻO ia kaulahao kaʻina hana ka mea e kākoʻo ana i ka hoʻopaʻa paʻa-a me ka ʻike ʻana i ka hana hana ʻana, ʻaʻole ka inoa papa ma ka pepa.

Ua uhi ʻia nā kūlana a me nā māka ma ke ʻano kūʻai maoli ʻana o nā EPC: nā paipu maʻamauASTM/ASME (A312/A213/A269; A789/A790), hoʻohuiEN (10216-5/10216-2), DIN (17456/17458), JIS (G3459/G3463), GOST (9941/5632), a me GB (14975/14976, 13296, 5310, 9948). Loaʻa ka loaʻa o ka papa i nā ʻohana austenitic (TP304/304L, TP316/316L, TP321, TP347, TP310S, TP317L, 904L), duplex/super duplex (S31803/S32205/S32750), a me nā nickel alloys i koho ʻia. (N08825/N08904/N08028/N08800). I ka pōkole: amea hana paipu kila kilahiki ke uhi i nā pūʻolo koʻikoʻi "mea kanu i kēlā me kēia lā" a me ka corrosion -me ke ala hale hana paipu kila e hiki ai ke hoʻomau i ka hoʻopuka ʻana ma waena o nā anawaena a me nā maʻamau.

Hoʻokaʻaʻike i kēia manawa

FAQ

 

 

Nīnau: 304 vs 316L paipu kila kila - ʻo wai kaʻu e kuhikuhi ai?

A: Inā ʻike ka lainachloride(ka wai hooluu, holoi, ea kahakai, pa'i brine),316/316L'Ōlelo pinepine 'ia no ka mea, ho'omaika'i ka molybdenum i ke kū'ē 'ana i ka ho'ouka kaua 'ana i ka lua/crevice i ho'ohālikelike 'ia me 304-series.316Lʻoi pinepine ʻia no nā wili wili e hōʻemi i ka pilikia sensitization ma hope o ka wili.

Nīnau:ASTM A312 vs ASTM A213 vs ASTM A269 - he aha ka ʻokoʻa (pipe vs tube)?

A: E noʻonoʻo i ka "lawelawe + ʻano huahana":ASTM A312he kuhiliʻolepaipuno ka wela -kiʻekiʻe a me ka lawelawe ʻino maʻamau (seamless a welded).ASTM A213ʻo iamaʻemaʻeka paila/mea hoʻomehana/wela-mea hoʻololipaipu, aASTM A269he kuhiliʻolepaipu(seamless a welded) no ka hana wela -ma'amau, ha'aha'a/ki'eki'e.

Nīnau: ʻO ka paipu kila kuhili ʻole - maʻemaʻe ʻole me ka wiliwili ʻole, pehea wau e koho ai me ka ʻole o ka ʻōlelo ʻana?

A: E kohomaʻemaʻeke ʻoi aku ka paʻa o ka hana a i ʻole ka kikoʻī (ke kiʻekiʻe kiʻekiʻe/ka wela, ke kaʻa paikikala koʻikoʻi, a i ʻole "pono ​​ʻole ʻia"). E kohowili ʻiake ʻae ka spec a e pōmaikaʻi ka pāhana mai ka OD/WT paʻa a me ka loaʻa-a laila e hoʻomalu i ka pilikia ma ka wehewehe ʻana.kāʻei NDT hili(UT/RT/ET no ITP) a me nā pono o ke kūlana ili ma ka PO.

Nīnau: Pehea e hiki ai iaʻu ke kūpono i kahi mea hana paipu kila kila / hale hana ma Kina ma mua o ka waiho ʻana i ka PO?

A: E noi i kahiEN 10204 3.1palapala hōʻoia i hoʻopaʻa ʻia i ka ʻāpana i hāʻawi ʻia (nā hopena hoʻāʻo + ʻōlelo hoʻokō), a koi ʻia ka traceability maikaha paipu → MTC → mooolelo nana; e hoʻohui i ka PMI i kahi kiʻekiʻe o ka paʻi -hui (e laʻa, nā pūʻolo 304L + 316L). ʻO kēia ke ala wikiwiki loa e hoʻopau i ka -pilikia i ka "paipu kila kila Kina" a pale aku i ka loaʻa ʻana-lohi hoʻokuʻu.

Nā palapala hōʻoia

 

Palapala CE

Palapala ISO 9001

Palapala API Q1

Palapala Palapala ABS

Palapala AP-5L

Palapala API-5CT

 

OD:6 mm - 1200 mm

Mānoanoa o ka pā:0.3 – 50 mm (SCH 5S a i XXS)

Ka lōʻihi:6m, 12m, 20FT, 40FT, ʻoki maʻamau

Pau:Beveled, maʻalahi, kaula me nā hui

Ili Pau:A/P, BA, poni, aniani

Nā huahana pale: ʻO ka paipu kila kila, Kina nā mea hana, nā mea hoʻolako, hale hana