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Umuyoboro w'icyuma gitemba cya ASTM A312 TP304N Welded: Ubushobozi bwo gukora n'ibisobanuro by'ibicuruzwa Ishusho yagaragaye
  • Umuyoboro w'icyuma kitagira umugese wa ASTM A312 TP304N: Ubushobozi bwo gukora n'ibisobanuro by'ibicuruzwa

Umuyoboro w'icyuma kitagira umugese wa ASTM A312 TP304N: Ubushobozi bwo gukora n'ibisobanuro by'ibicuruzwa

Ibisobanuro bigufi:

 

Womic Steel itanga umuyoboro wa ASTM A312 TP304N w’icyuma kidasagwa, icyuma kidasagwa cya 304 gikomejwe na azote gifite imbaraga nyinshi (275 MPa) ugereranyije n’icyiciro gisanzwe cya 304 mu gihe kigumana imbaraga nziza zo kurwanya ingese, ubushobozi bwo guhindagurika no gusudira. Kongeramo azote byongera imbaraga no kurwanya imyobo hatabayeho kongeramo icyuma kidasagwa cya duplex.

Yakozwe na ERW na EFW processes hamwe n'umusaruro wo gufunga no gusya. Iboneka mu bwoko bwa OD 6.35mm–1219mm (1/4″–48″), ubugari bw'urukuta 0.5mm–50mm, n'uburebure bugera kuri metero 24. Itangwa n'ibyemezo by'uruganda, isuzuma rya hydrostatic, igenzura rya UT, n'irangiza ryihariye.

Porogaramu:
Amato y'umuvuduko, gutunganya imiti, urubuga rwo mu nyanja, imiyoboro y'ubushyuhe, sisitemu z'amazi, gutunganya amazi, inganda z'impapuro, n'imiyoboro y'inganda ikoresha umuvuduko mwinshi.

Igipimo n'Icyiciro:
ASTM A312 TP304N / ASME SA312 / EN 10217-7 1.4315 (AISI 304N)


Ibisobanuro by'ibicuruzwa

Ibisobanuro birambuye ku gicuruzwa

Ibirango by'ibicuruzwa

1. Womic Steel: Ubushobozi bwo gukora n'imbaraga z'ikigo

Womic Steel Group ni uruganda rukora ibintu byinshi kandi rutumiza mu mahanga ku isi rufite ubunararibonye bw'imyaka irenga 20 mu gukora ibikoresho by'icyuma kidashonga. Urwego rwacu rwihariye rukora imiyoboro ya TP304N ikoresha ikoranabuhanga rigezweho ryo gusudira hamwe n'ubushyuhe bugenzurwa kugira ngo rugumane azote mu byuma bisudira:

  • Umurongo wa ERW (Gusudira Ubudahangarwa bw'Amashanyarazi):Ku murambararo kuva kuri mm 6.35 kugeza kuri mm 610 (1/4″ – 24″), ubugari bw'urukuta kuva kuri mm 0.5 kugeza kuri mm 12.7. Gusudira hakoreshejwe frequency nyinshi hamwe n'ibipimo byabugenewe kugira ngo bigumane azote. Ni byiza cyane ku miyoboro mito kugeza ku iringaniye ya TP304N kugira ngo ikoreshwe mu buryo bw'umuvuduko no mu nyubako.
  • Umurongo wa EFW (Electric Fusion Welding):Ku ngano y'umurambararo kuva kuri mm 219 kugeza kuri mm 1219 (8″ – 48″), ubugari bw'urukuta kuva kuri mm 4.0 kugeza kuri mm 50. Inzira y'imizi ya TIG (GTAW) ifite inzira zo gushyiramo SAW, hakoreshejwe icyuma gihuye nacyo (ER304N cyangwa ER308 hamwe na azote).
  • Umurongo wa LSAW / SAWL wo gukoresha Stainless:Ku mpande z'umurambararo kuva kuri mm 406 kugeza kuri mm 1524 (16″ – 60″), ubugari bw'urukuta bugera kuri mm 50. Gusudira arc y'amapine ya TP304N azungurutse.

Imiyoboro yose ya TP304N isukuwe inyuzwamo amazi (ivurwa n’ubushyuhe) kuri 1040-1120°C, hagakurikiraho kuzimya amazi kugira ngo azote igume mu gisubizo gikomeye kandi igarure ubushobozi bwo kurwanya ingese, hagakurikiraho gukaraba no gucika intege.

Impamyabumenyi z'Ubuziranenge n'Iyubahirizwa ry'Amategeko:

  • Icyemezo cya ISO 9001:2015
  • PED 2014/68/EU (CE Marking) ku bikoresho bitanga umuvuduko
  • Icyemezo cya EN 10204 3.2 gifite icyemezo cy’uruhande rwa gatatu (TÜV, BV, SGS, LR)
  • Ubugenzuzi bw'Uruhande rwa Gatatu (TPI) bwemewe na SGS, BV, ABS, DNV, TÜV
  • Kode y'Ubwato bw'Ingufu za ASME n'Ubushyuhe (Ingingo ya VIII, Div. 1) iyo ubisabye

Womic Steel itanga imiyoboro ya TP304N isudiwe mu bihugu birenga 40 mu nganda zikora amato ashyushye, inyubako, n'ibinyabutabire.

Uburyo bworoshye bwo gukora:

  • ERW: 6.35–610mm OD × 0.5–12.7mm Ubwinshi × ≤ 12m
  • EFW: 219–1219mm OD × 4.0–50mm WIT × ≤ 12m (ndetse iyo ubisabye)
  • LSAW: 406–1524mm OD × 6.0–50mm Uburemere × ≤ 18m
  • Amahitamo yo kurangiza: Yakuwemo ibinure n'ibitonore, yakuwemo ibinure, yahinduwe irangi (180# kugeza 320#)

2. ASTM A312 TP304N: Imiterere y'ibikoresho n'imikorere yabyo

ASTM A312 TP304N ni verisiyo yo mu cyuma gisanzwe cya 304 gikonjesha azote. Azote (0.10-0.16%) itanga imbaraga mu gupima umusaruro, yongera imbaraga ku kigero cya 35% mu gihe ikomeza ubushobozi bwo guhindagurika, gukomera no kurwanya ingese. Ibi bituma ibice by'urukuta bito birushaho kuba byiza ku gipimo kimwe cy'umuvuduko, bikagabanya uburemere n'ikiguzi.

Ibikubiye mu binyabutabire (Isesengura ry'inkombe, % ku bunini):

Igice TP304N (ASTM A312) TP304 (kugereranya)
C ≤ 0.08 ≤ 0.08
Mn ≤ 2.00 ≤ 2.00
P ≤ 0.045 ≤ 0.045
S ≤ 0.030 ≤ 0.030
Si ≤ 1.00 ≤ 1.00
Cr 18.0 – 20.0 18.0 – 20.0
Ni 8.0 – 11.0 8.0 – 11.0
N 0.10 – 0.16 ≤ 0.10
Fe Kuringaniza Kuringaniza

Imiterere ya mekanike (Ubushyuhe bw'icyumba, Umuti washyizwemo):

Umutungo TP304N TP304
Imbaraga z'umusaruro (uburemere, 0.2% by'igabanuka) 275 MPa (39,900 psi) 205 MPa (30.000 psi)
Imbaraga zo Gufata (iminota) 550 MPa (79,800 psi) 515 MPa (74,700 psi)
Uburebure (ubugari bwa minini, 50mm) 35% 40%
Ubukomere (ntarengwa) HRB 90 HRB 90

Imiterere ifatika:

  • Ubucucike: 7.93 g/cm³
  • Modulus yo gucikagurika: 200 GPa (29 × 10⁶ psi)
  • Ubushobozi bwo gutwara ubushyuhe: 16.2 W/m·K kuri 100°C
  • Igipimo cy'ubushyuhe: 17.2 × 10⁻⁶/°C (20-100°C)

Ubudahangarwa ku ngaruka:

  • Bisa na 304 mu bidukikije byinshi (ubudahangarwa bwiza na aside igabanya ogisijeni, aside organic)
  • Ubudahangarwa bw'imyobo bwarushijeho kwiyongera bitewe na azote (PREN ≈ 19-20 vs 18 kuri 304)
  • Irwanya cyane ingese hagati y’udusimba nyuma yo gusudira (iyo ifunze neza)
  • Ntibikwiriye gukoreshwa mu gutanga serivisi ya chloride irenze ubushyuhe bw'ikirere (koresha 316N cyangwa duplex kuri chloride)

Ibyiza by'ingenzi birenga 304:

  • Ingufu nyinshi zo gutanga umusaruro 35% zemerera inkuta zoroshye (kugabanya ibiro 20-25%)
  • Umuvuduko mwinshi wemewe muri ASME Igice cya VIII ku miyoboro y'umuvuduko
  • Ubusoderi bungana n'ubuhanga bwo gushushanya
  • Ubudahangarwa bw'imiyoboro y'amazi buri hejuru gato

3. Iyubahirizwa ry'ibipimo n'amahame ngenderwaho

Ikintu Ibisobanuro
Igisanzwe ASTM A312 / ASME SA312 (na A358, A249)
Uburyo bwo gukora ERW, EFW, LSAW
Intera y'Ubugari bwo Hanze ERW: 6.35 - 610mm; EFW / LSAW: 219 - 1524mm
Ubunini bw'urukuta ERW: 0.5 - 12.7mm; EFW / LSAW: 4.0 - 50mm
Ingano y'ingengabihe 5S, 10S, 40S, 80S (kuri NPS 1/8″ – 48″)
Intera y'uburebure Uburebure busanzwe: 6m; Uburebure: 12m, 18m, kugeza kuri 24m
Irangizwa rya nyuma Iherezo Risanzwe (PE), Iherezo Rifite Imirongo Igororotse (BE)
Kurangiza ubuso Yakuwemo n'ibinyampeke, Yakuwemo neza, Yasekuye
Kwihanganirana OD: ± 0.5% cyangwa ± 3.2mm; Uburemere: ± 12.5% ​​(kuri ASTM A999); Uburebure: +50mm / -0mm

 

4. Ingano n'Ibisobanuro bihari – Umuyoboro w'icyuma gitemba cya ASTM A312 TP304N Welded

NPS OD (mm) Gahunda Uburemere (mm) Uburemere (kg/m2) Uburebure Busanzwe Uburyo busanzwe bwo gukoresha
1/2″ 21.3 10S 2.11 1.00 6m Umurongo wa Hydraulic
3/4″ 26.7 10S 2.11 1.28 6m Gupima imiti
1″ 33.4 10S 2.77 2.09 6m Amazi afite umuvuduko mwinshi
1-1/2″ 48.3 10S 2.77 3.11 6m Umurongo w'ibikorwa
2″ 60.3 10S 2.77 3.93 6m / 12m Ubwato bushyuha
3″ 88.9 10S 3.05 6.46 6m / 12m Inkingi y'imiterere
4″ 114.3 10S 3.05 8.37 6m / 12m Igikoresho cyo guhindura ubushyuhe
6″ 168.3 10S 3.40 13.8 6m / 12m Uruganda rukora impapuro
8″ 219.1 10S 3.76 20.0 Metero 12 Igice cyo hejuru cy'inyanja
10″ 273.0 10S 4.19 27.8 Metero 12 Inkunga y'inyubako
12″ 323.9 10S 4.57 36.0 Metero 12 Umutwe mukuru
16″ 406.4 10S 4.78 47.4 Metero 12 Igikoresho cy'umuvuduko w'amaraso
20″ 508.0 10S 5.54 68.6 Metero 12 Ubunini bw'umurambararo
24″ 609.6 10S 6.35 94.4 Metero 12 Ikigega cyo kubikamo ibintu

Ingano zihariye ziboneka hanze y'izi ntera. TP304N yemerera inkuta ntoya kurusha 304 kugira ngo zipime igitutu kimwe.

5. Amahame n'Ibyiciro bisanzwe by'Ibyuma Bitagira Umuriro Bikorwa na Womic Steel

Igisanzwe Ibyiciro by'icyuma Uburyo busanzwe bwo gukoresha Uburyo bwo gusudira
ASTM A312 TP304N, TP304, TP304L, TP316N, TP316 Serivisi yangiza, igitutu ERW/EFW/LSAW
ASTM A358 TP304N, TP304, TP316 Imashini ikoreshwa mu gusogota hakoreshejwe amashanyarazi EFW
ASTM A249 TP304N Boiler, superheater, ihindura ubushyuhe ERW/EFW
ASTM A312 TP304L, TP316L Serivisi rusange yo kwangiza ERW/EFW/LSAW
EN 10217-7 1.4315 (304N) Intego z'igitutu SAW/ERW

Ikoreshwa:Imiyoboro y'umuvuduko, ibice by'inyubako, imiyoboro yo mu mazi, gutunganya imiti, ibikoresho bihindura ubushyuhe, ibikoresho byo mu nganda z'impapuro.

6. Uburyo bwo gukora - Umuyoboro w'icyuma kidasanza ushongeshejwe (ERW, EFW, LSAW)

Uburyo bwo gusudira ERW (Gusudira Ubudahangarwa bw'Amashanyarazi) – Ubugari Buto Kuva Kuri Hagati (6.35–610mm OD):

1. Igenzura ry'ibikoresho fatizo (Umurongo/Umwobo):Umurongo wa TP304N wemejwe ko ugizwe n'ibice (Cr 18-20%, Ni 8-11%, N 0.10-0.16%). Buri ruziga rufite umubare wihariye w'ubushyuhe.

2. Gufungura no Kugorora

3. Gukata Inkombe z'Imirongo

4. Gukora:Gutunganya imizingo mu buryo buhoraho.

5. Gusudira inshuro nyinshi:Ingufu zikoreshwa neza mu gushyushya (≤ 1.5 kJ/mm) kugira ngo zigumane azote. Hashobora kuba ngombwa ko habaho umuvuduko mwinshi.

6. Gufunga umushongi:Gutera induction annealing bikurikirwa no kuzimya amazi.

7. Ingano no Kugorora

8. Gukata kugeza ku burebure

9. NDT:Ikizamini cya Eddy current (100%) + UT y'ubushake.

10.Gufunga umuti (Umuyoboro wuzuye):1040-1120°C, amazi azimya. Ni ingenzi cyane mu gushonga no kugarura imiterere y'amazi.

11.Ikizamini cy'amazi

12.Guteka no gushyuha

13.Igenzura rya PMI (XRF) n'iry'azote (niba ryaravuzwe)

14.Igenzura rya nyuma n'ibimenyetso

Uburyo bwo gusudira hakoreshejwe EFW (Electric Fusion Welding) – Ubugari bunini (219–1219mm OD, 4.0–50mm WIT):

1. Gutegura isahani:Isahani ya TP304N, impande zayo zikozwe mu buryo bwa X (bevel).

2. Gukora imizingo

3. Gusudira ku mpande

4. TIG (GTAW) Root Pass:Ifuru ihuye (ER308 cyangwa ER304N), gaze ishyigikira argon.

5. Impamyabumenyi zo kurangiza SAW n'izijyanye n'umusozo:Imashini ikoresha uburyo bwa "multi-pass SAW" ifite ubushyuhe bugenzurwa (≤ 1.8 kJ/mm), interpass ≤ 150°C.

6. Ubusode bw'imbere

7. Isuzuma rya X-ray ku 100%(kuri ASTM A358)

8. Gufata umuti:Gukoresha ubushyuhe bwose bw'imiyoboro (1040-1120°C), kuzimya amazi.

9. Guteka no gushyuha

10.Ikizamini cy'amazi

11.Igenzura ry'ibipimo n'ibimenyetso

Uburyo bwa LSAW bwo gukoresha Stainless Diameter - Ni nini cyane (406–1524mm OD, 6.0–50mm WIT):

  • UOE cyangwa JCOE ikora ikoresheje plaque ya TP304N
  • Gusudira SAW ku mpande ebyiri
  • Gusudira umuti wose nyuma yo gusudira

Ibitekerezo byihariye kuri TP304N:

  • Ingano ya azote igomba kugenzurwa kugira ngo hirindwe imvura ya azote
  • Gukoresha ubushyuhe burenze urugero rw'umuti (1080-1120°C) kugira ngo ushongeshe nitrides
  • Kuzimya amazi ni ngombwa kugira ngo azote igume mu gisubizo gikomeye
  • Ibikoresho byo gusudira bigomba kuba bifite ingano ingana na azote (ER308L hamwe n’inyongera ya N)
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7. Uburyo bwo kugenzura no gupima ubuziranenge bw'umuyoboro w'icyuma gitemba cya ASTM A312 TP304N

Urugendo Uburyo bwo kugenzura Intego
Ibikoresho fatizo Isesengura ry'ibinyabutabire (OES + Gutwika kuri N) Genzura TP304N (N 0.10-0.16%, Cr 18-20%, Ni 8-11%)
Ibikoresho fatizo Isuzuma ry'umukandara Genzura umusaruro ≥ 275 MPa, uburebure ≥ 550 MPa
Ibikoresho fatizo Ubukomere ≤ 90 HRB
Muri gahunda Gukurikirana Ibyinjira mu Bushyuhe ≤ 1.8 kJ/mm
Gusudira (ERW) Umuyoboro wa Eddy (100%) Ubusudizi bw'ubudozi
Gusudira (EFW/LSAW) 100% UT (cyangwa PAUT) Kumenya inenge zo gusudira
Gusudira (EFW/LSAW) RT (ahantu cyangwa 100% kuri buri gipimo) Ubwiza bw'ubushude
Gusudira Irangi rivamo irangi (PT) Uduce tw'ubuso
Nyuma yo Gufata Umuti Ikizamini cy'Ubukomere ≤ 90 HRB
Nyuma yo Gufata Umuti Igenzura rya azote (niba ryaravuzwe) Emeza ingano ya N mu muyoboro warangiye
Umuyoboro warangiye Ikizamini cy'amazi Ubusugire bw'igitutu
Umuyoboro warangiye Igorora / Ifite Imbere Ubuhanga bwo gukora ibintu mu buryo bw'ikoranabuhanga
Umuyoboro warangiye PMI (XRF) Emeza amanota (Cr, Ni)
Umuyoboro warangiye Ishusho n'Ibimenyetso Gukurikirana

Ibizamini by'ubushake:

  • Ikizamini cyo gukurura ubushyuhe buri hejuru (niba bikenewe mu gishushanyo mbonera)
  • Ikizamini cyo kwangirika kw'ibice (ASTM G48) kugira ngo gikoreshwe mu buryo bw'ingenzi
  • Ikizamini cyo kwangirika hagati y'udukoko (ASTM A262 Practice E)

8. Porogaramu z'ibanze - Umuyoboro w'icyuma gitemba ukozwe mu cyuma cya ASTM A312 TP304N

1. Udusanduku tw’umuvuduko n’ibigega byo kubikamo ibintu:Ingufu nyinshi zemewe muri ASME Igice cya VIII cyemerera inkuta nto (kuzigama ibiro 20-25%) ugereranije na 304.

2. Ibice by'imiterere mu bidukikije byangiza:Inkunga zo hejuru ku rukuta rwo ku nyanja, imiterere y'inganda zikora imiti, inkingi z'inganda zitunganya ibiribwa. Ingufu nyinshi zigabanya ingano y'igice.

3. Imiyoboro yo hejuru ku gice cyo hejuru cy'umuhanda:Gutunganya imiyoboro aho bikenewe ko habaho igipimo cy'umuvuduko mwinshi ariko nta gipimo cya kabiri gikenewe. TP304N itanga imbaraga zo hagati.

4. Gutunganya imiti (uburyo bwo gushyushya umuvuduko mwinshi):Imiyoboro y'amazi yinjira/asohoka ya reactor, imiyoboro yo koherezamo umwuka mwinshi aho 304 idahagije ariko 316L ikaba yaragenwe cyane.

5. Ibikoresho n'imiyoboro bihindura ubushyuhe:Igitutu cyo ku ruhande rw'igikonoshwa gishobora kwiyongera hatabayeho gukomera kw'igikonoshwa. Imiyoboro ishobora kugira inkuta nto kugira ngo ubushyuhe bwiyongere neza.

6. Ibikoresho byo gukora impapuro:Imiyoboro yo gusya, imiyoboro yo gutegura ingano aho imbaraga nyinshi zirwanya isuri n'ingese.

7. Uruganda rukora inzoga n'amata:Sisitemu za CIP (Clean-In-Place) zifite umuvuduko mwinshi n'imirongo y'ibicuruzwa ikora kuri bar 10-15.

8. Imirongo y'amazi:Imiyoboro y'ibikoresho n'imiyoboro igenzura isaba umuvuduko mwinshi urenze 304.

9. Imiterere y'ipompo n'imiyoboro y'amashanyarazi:Ibikoresho byakozwe mu buryo bwa cast cyangwa byakozwe (bisimbura 304 n'imbaraga nyinshi).

10.Uburyo bwo gutunganya amazi akoresha umuvuduko mwinshi:Imirongo yo kugaburira inyuma ya osmosis (igipimo cy'umuvuduko uri hejuru).

11.Inyubako z'ubwubatsi:Aho imbaraga zo hejuru zemerera imiterere yoroshye (imigozi, ibishyigikizo).

9. Gupakira no Kohereza – Umuyoboro w'icyuma gitemba cya ASTM A312 TP304N wasutswe

Gupfunyika:

  • Ubwirinzi bwo kurwanya ingese:Imiyoboro isizwe amavuta cyangwa impapuro za VCI. Ku biribwa/inzoga, nta bisigazwa by'amavuta (plastike ipfundikiye).
  • Ingofero z'inyuma:Imipfundikizo ya pulasitiki yo gushyiramo impera zikozwe mu giti.
  • Guhuza (Ubugari buto):Imipfunyika irimo imishumi y'icyuma n'impapuro zifatanye.
  • Udupaki twihariye (Ubugari bunini):Igipfunyika cya pulasitiki.
  • Amasanduku y'ibitiku bikorwa by'ingenzi.

Kohereza:

  • Ibikoresho bifite uburebure bwa ≤ 610mm, bigabanya ubunini ku ngano nini.
  • Inyandiko:MTC 3.1/3.2, raporo y'ibizamini bya hydrotest, raporo za eddy current/UT, raporo ya PMI, raporo y'ibipimo, urutonde rw'ibipakiye, COO.

10. Ibyiza n'Ibibazo Bikunze Kubazwa mu byuma bya Womic Steel – Umuyoboro wa ASTM A312 TP304N Welded Stainless Steel

Kuki twafatanya na Womic Steel mu gukora umuyoboro wa TP304N Welded?

  • Ingano yuzuye: ERW 1/4″ – 24″, EFW/LSAW 8″ – 60″.
  • Gufunga byuzuye nyuma yo gusudira (1040-1120°C, kuzimya amazi).
  • Kubika azote byemezwa binyuze mu isesengura ry'ubushyuhe.
  • Imbaraga nyinshi zemerera inkuta zoroshye - kugabanya ibiro byazo kuva kuri 20-25% ugereranyije na 304.
  • Igihe cyo guhatana: iminsi 25-35 kuri ERW, iminsi 35-50 kuri EFW/LSAW.
  • Icyemezo cyisi yose: ISO 9001, PED (CE), EN 10204 Ubwoko 3.2.

Ibibazo Bikunze Kubazwa (Ibibazo Bikunze Kubazwa) - Umuyoboro wa ASTM A312 TP304N Welded

Q: Ni iyihe nyungu ya TP304N ugereranyije na 304 isanzwe?
A: TP304N ifite imbaraga zo gutanga umusaruro ku kigero cya 35% (275 MPa ugereranije na 205 MPa) mu gihe ikomeza kurwanya ingese, ubushobozi bwo kugenda neza no gusudira. Ibi bituma abashushanya bakoresha inkuta nto ku byuma bigabanya umuvuduko n'imiyoboro, bakagabanya uburemere ku kigero cya 20-25% kandi bakagabanya ikiguzi cy'ibikoresho ku gipimo kimwe cy'umuvuduko. Ku bijyanye n'inyubako, ingano nto y'ibice ishobora gukoreshwa.

Q: Ese TP304N irahenze kurusha 304?
A: Biterwa gato no gushyira azote mu cyuma no kugenzura cyane imiterere yacyo. Ariko, kuzigama uburemere (inkuta ndende 20-25%) akenshi bituma ikiguzi cy’ibikoresho muri rusange kigabanuka. Ku bijyanye n’imiterere y’icyuma aho imbaraga ari ingenzi, kugabanya uburemere bishobora kugabanya igiciro cy’icyuma kiri hejuru.

Q: Ese TP304N ishobora gusudira idatakaje azote?
A: Yego, hamwe n'ibipimo byo gusudira bikwiye (ubushyuhe buke, ≤ 1.8 kJ/mm) n'icyuma gikwiye cyo kuzura (ER308 cyangwa ER304N). Azote iguma mu cyuma cyo gusudira ubusanzwe iba iri hagati ya 80-90% by'icyuma cy'ibanze. Uburyo bwa Womic's ERW bukoresha gusudira kw'ingufu zigezweho ku buryo bugabanya igihombo cya azote. Ku bikorwa by'ingenzi, gusudira umuti nyuma yo gusudira bigarura ikwirakwizwa rya azote.

Q: Ese TP304N isaba gukururwa n'umuti nyuma yo gusudira?
A: ASTM A312 isaba gufunga imiyoboro ivanze. Kuri TP304N, gufunga imiyoboro ku bushyuhe bwa 1040-1120°C hagakurikiraho gufunga amazi ni ngombwa kugira ngo hashongeshwe nitride zishobora kuba zarakozwe mu gihe cyo gusudira no kugarura ubushobozi bwose bwo kurwanya ingese n'imiterere ya mekanike. Womic ikora gufunga imiyoboro yose ivanze ya TP304N.

Q: Ese TP304N ikwiriye gukoreshwa mu mazi yo mu nyanja?
A: Ntibyemewe. TP304N ifite ubushobozi bwo guhangana n’imyobo isa na 304 (PREN ≈ 19-20). Ku mazi yo mu nyanja cyangwa ahantu hafite chloride nyinshi, koresha 316N (hamwe na Mo) cyangwa icyuma kitagira umugese cya duplex. TP304N ni iyo gukoreshwa mu bintu bisaba imbaraga nyinshi ahantu hatari chloride cyangwa ahantu hafite chloride nkeya.

Q: Ni iyihe stress isanzwe yemewe kuri TP304N muri ASME Igice cya VIII?
A: Ku bushyuhe bw'icyumba, umuvuduko wemewe wa TP304N ni hafi 137 MPa (20.000 psi) ugereranije na 115 MPa (16.700 psi) kuri 304 - hafi 19% hejuru. Agaciro nyako gaterwa n'ubushyuhe; reba Igice cya II cya ASME, Igice cya D. Abashushanya bagomba gukoresha agaciro gakwiye kemewe k'umuvuduko wemewe ku rwego runaka.

Q: Ni ryari igihe gisanzwe cyo gukoresha umuyoboro w'icyuma kitagira umugozi wa TP304N?
A: Iminsi 25-35 kuri ERW (umurambararo muto kugeza kuri hagati), iminsi 35-50 kuri EFW/LSAW (umurambararo munini). TP304N ni igipimo gisanzwe ku nganda nyinshi, bityo igihe cyo gukoresha amashanyarazi gisa na 304.

Q: Ese TP304N ishobora gukoreshwa mu gutanga serivisi y'ubushyuhe bwinshi (irenga 500°C)?
A: Ingufu z'ubushyuhe bwinshi bwa TP304N ziruta 304 bitewe no kongera ingufu za azote. Ariko, kugira ngo serivisi ikomeze hejuru ya 550°C, amanota afite karubone nyinshi (304H) cyangwa amanota adashobora gukururwa (321H, 347H) ni yo akundwa. TP304N ikwiriye cyane ubushyuhe buringaniye (<425°C) aho ingufu zikenewe.

11. Icyitonderwa cy'umushinga - Imiyoboro yo hejuru y'inyubako n'inkunga z'imishinga (Brezili)

Igihugu:Burezili (Ikibaya cya Campos, ku nkombe za Rio de Janeiro)
Igipimo n'Icyiciro:ASTM A312 TP304N (isudiwe)
Ingano n'ingano:

  • OD 219.1mm (8″) × Gahunda ya 10S (3.76mm WIT) – metero 1.200 (hafi toni 28) – Uburyo bwa EFW
  • OD 168.3mm (6″) × Gahunda ya 10S (3.40mm WIT) – metero 1.800 (hafi toni 22) – Uburyo bwa ERW
  • OD 114.3mm (4″) × Gahunda ya 10S (3.05mm WIT) – metero 2,500 (hafi toni 20) – Uburyo bwa ERW
  • OD 60.3mm (2″) × Gahunda ya 10S (Uburemere bwa 2.77mm) – metero 3.000 (hafi toni 12) – Uburyo bwa ERW
  • OD 406.4mm (16″) × Gahunda ya 10S (4.78mm WIT) – metero 300 (hafi toni 12) – Uburyo bwa EFW (inkingi z'imiterere)

Igiteranyo:Metero 8.800 (8.8 km), hafi toni 94

Ibisobanuro:Ingano ya ASTM A312 TP304N yakuwemo amazi n'ibinyampeke, ikaranze. Isuzuma rya Hydrostatic. 100% UT ku miyoboro ya EFW, umuyoboro wa eddy kuri ERW. PMI kuri buri muyoboro. Isuzuma rya tensile (umusaruro ≥ 275 MPa, wageze kuri 310-340 MPa; tensile ≥ 550 MPa, wageze kuri 580-620 MPa). Ingufu za Charpy kuri -20°C (uburemere bwa 27J, wageze kuri 100-150J). Isuzuma rya corrosion intergranular kuri ASTM A262 Practice E (pass). Isuzuma rya gatatu ryakozwe na DNV Brazil.

Porogaramu:Imiyoboro yo hejuru n'inkunga z'imiterere y'urukuta rw'umusaruro mu nyanja mu kibaya cya Campos. Imiyoboro yo hejuru y'umuyoboro yatangaga amazi na gaze ifite umuvuduko muto kuri 50-80°C hamwe n'umuvuduko muke wa chloride (amazi yavuwe). Inkunga z'imiterere y'urukuta ni iz'ibikoresho byo gupfunyika n'imiyoboro. Urukuta rwasabye kugabanya uburemere kugira ngo rwongere igihe cyo gukora (ibibazo by'umunaniro). TP304N yatoranijwe kubera imbaraga zayo zo hejuru ku kigero cya 35%, bigatuma inkuta zoroshye (Gahunda ya 10S aho kuba Gahunda ya 40S) haba ku miyoboro no ku nganda.

Imiterere y'Ubwubatsi:Uru rubuga rwari rwagenewe imiyoboro ya 304. Binyuze mu kuvugurura TP304N no kugabanya ubugari bw'inkuta kuva kuri Schedule 40S (4.55-8.18mm) kugera kuri Schedule 10S (2.77-4.78mm), itsinda ry'abahanga ryagabanyije ibiro 45% ku miyoboro no kugabanya ibiro 30% ku nkunga z'inyubako - kugabanya uburemere bwose bwa toni 35 (27% by'uburemere bw'umwimerere). Ibi byatumye uru rubuga ruguma mu ngengo y'imari yarwo yo hejuru.

Ibibazo bya tekiniki n'ibisubizo:

  • Kugabanya ibiro nta kwangiza igipimo cy'umuvuduko– Imbaraga nyinshi za TP304N zemereraga inkuta zoroshye kuri ASME B31.3. Ku miyoboro ya santimetero 8, Schedule 10S (3.76mm) yasimbuye Schedule 40S (8.18mm), igabanya uburemere bwa 54%. Womic yatanze icyemezo cy'ibipimo n'isuzuma ry'umuvuduko. Isuzuma rya Hydrostatic kuri 3.0 MPa ryaratsinze (igipimo cy'umuvuduko 1.8 MPa, igipimo cy'umuvuduko 2.7 MPa).
  • Guhuza imbaraga z'icyuma cyo gusudira– ERW na EFW weld metal bigomba kugira imbaraga zingana n’iz’icyuma cy’ibanze. Ibipimo bya ERW byakozwe neza kugira ngo bigere ku musaruro mwiza wa 95% (imbaraga zo gukurura 560 MPa vs base 590 MPa). EFW welds ikoresheje ER308 filler yageze ku musaruro mwiza wa 100%. Ibizamini byose byo gukurura ibyuma byatsinze.
  • Ubudahangarwa bw'inkongi ku bunini bw'urukuta bugabanutse– Inkuta ntoya zifite ubushobozi buke bwo kwangirika. Amazi akorwa ni make ya chloride (< 50 ppm) hamwe na pH 6.5-7.5, bityo igipimo cya kwangirika kikaba gito. TP304N ifite ubushobozi bwo kwangirika neza kurusha 304 bitewe na azote. Womic yakoze ikizamini cya ASTM G48 (amasaha 24 kuri 22°C) – nta kwangirika. Umukiriya arabyemerewe.
  • Igishushanyo mbonera cy'inkunga y'inyubako hakoreshejwe TP304N– Inkingi z’imiterere ya santimetero 16 zakoresheje Schedule 10S (4.78mm) aho gukoresha Schedule 40S (9.53mm). Isesengura ry’ibintu bya Finite (FEA) ryemeje ko urukuta rworoshye rufite imbaraga nyinshi za TP304N rwatangaga ubushobozi bungana bwo gutwara. Womic yatanze ubushobozi bwo kwihanganira imiterere ≤ 0.15% kugira ngo inkingi zihamye.
  • Uburyo bwo gusudira mu murima kuri TP304N– Itsinda rishinzwe kubungabunga platifomu ryagombaga guhindura imiyoboro mu gihe cyo kuyishyiraho. Womic yatanze WPS ikoresheje GTAW ifite ER308 filler, ubushyuhe bugera kuri 1.8 kJ/mm, interpass ≤ 150°C. Kuponi 20 zo gusudira zatsinze RT, PT, na tensile testing.
  • Ibikoresho bijya mu kibaya cya Campos– Imiyoboro yoherejwe iva i Shanghai ijya i Rio de Janeiro, hanyuma ijyanwa ku kibuga cy’inyanja ikoresheje ubwato butanga ibicuruzwa. DNV yagenzuye imiyoboro igihe yari irimo gupakira. Toni 94 zose zatanzwe mu buryo bubiri mu byumweru 5.

Ibisubizo:Imiyoboro yo hejuru y’urukuta n’inkunga z’inyubako byashyizweho mu gihembwe cya kabiri cya 2024. Kugabanya uburemere bwa toni 35 byatumye urukuta rugera ku buremere bwarwo bwo hejuru hatabayeho gukenera imbaraga. Nyuma y’amezi 12 rukora, igenzura ryagaragaje ko nta kwangirika cyangwa kwangirika kw’insinga byagaragaye. Umukozi uteganya gukoresha TP304N mu kuvugurura urukuta mu gihe kizaza kugira ngo agabanye uburemere kandi yongere igihe cyo kumara. Womic Steel ubu ni umucuruzi wujuje ibisabwa mu bijyanye n’imiyoboro y’icyuma kidashonga.

Umuntu wo kuvugana nawe:
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Imeri: sales@womicsteel.com

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Victor: +86 15575100681
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Womic Steel – Umufatanyabikorwa wawe wizeye w’imiyoboro y’icyuma kitagira umuvuduko ya ASTM A312 TP304N ikoreshwa mu byuma bigabanya umuvuduko, ibikoresho byo mu mazi, ibikoresho by’ubwubatsi, n’ibinyabutabire bifite umuvuduko mwinshi ku isi.

  • Ibanjirije iyi:
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