Tšepe ea Sehlopha sa P690 ke eng?

Lefatšeng la boenjiniere le tlhahiso ea sejoale-joale, tlhoko ealitšepe tse matla haholo, tse ka tjheseletsoang, le tse tšoarellangHa ho mohla e kileng ea e-ba kholo ho feta ena. Har'a thepa ena e tsoetseng pele,Tšepe ea sehlopha sa P690e hlahella e le e 'ngoe ea likhetho tse tšepahalang ka ho fetisisa bakeng sa lits'ebetso tse boima tsa sebopeho. Sengoloa sena ke saSAKYSTELEe hlahloba tlhaloso, sebopeho, thepa le ts'ebeliso ea tšepe ea P690, e thusa baenjiniere, baetsi ba thepa le batsamaisi ba merero ho utloisisa hore na ke hobane'ng ha sehlopha sena se fetohile khetho e ratoang likepeng tsa khatello, liforomong tsa leoatleng le meahong e matla haholo.

1. Kakaretso ea Tšepe ea Sehlopha sa P690

P690ketšepe e matla e tingoang le e halefisitsoenge sebediswa haholoholo tlhahisong yalijana tsa khatello, liboiler le likarolo tse boima tsa meaho"P" ka lebitso la eona e bolelatšepe ea sejana sa khatello, ha nomoro “690” e bolelamatla a fokolang a tlhahiso ea 690 MPa, e leng e phahameng haholo ha e bapisoa le litšepe tsa meaho tse tloaelehileng.

Thepa ena ke karolo eaTekanyetso ea EN 10028-6, e hlalosang litšepe bakeng sa merero ea khatello e fetangkalafo ea mocheso e timang le e halefileng (QT)Ka lebaka la ts'ebetso ea eona e phahameng ea mechini le ho tjheseletsa ho tsitsitseng,P690e amoheloa haholo homakala a eneji, peterole, mose ho maoatle le a tshireletso.

Litšobotsi tsa Bohlokoa:

  • Matla a fokolang a tlhahiso: 690 MPa

  • Matla a ho thapolla: 770–940 MPa

  • Kalafo ea mocheso: E timisitsoe le ho halefisoa

  • Ho tiea ho babatsehang mochesong o tlase

  • Ho tjheseletsa hantle ka ho futhumatsa pele ho nako le kalafo e laolwang kamora ho tjheseletsa

At SAKYSTELE, re fana kaP690Q, P690QL, le P690QL2mefuta e fapaneng, e fanang ka maemo a fapaneng a ho tiea ha tshusumetso a loketseng ditikoloho tse fapaneng tsa tshebeletso.

2. Mefuta le Maemo

P690 e arotsoe ka lihlopha tse tharo tse nyenyane ho latelalitlhoko tsa mocheso oa teko ea tšusumetso:

Sehlopha Tlhophiso Mocheso o tlase oa Teko ea Tšusumetso Tšebeliso e Tloaelehileng
P690Q E timme le ho halefa 0°C Methapo ea khatello e akaretsang
P690QL E timiloe le ho halefisoa (Mocheso o tlase) -40°C Lebōpong la leoatle le ho ruruha ha letlalo
P690QL2 E timiloe le ho halefisoa (Mocheso o tlase haholo) -60°C Tikoloho tsa Arctic le tse ka tlase ho zero

Likereiti tsena kaofela li lumellana leEN 10028-6'me e ka boela ea fanoa hoLitekanyo tsa ASME/ASTMha ho kopuoa. Poleiti kapa karolo e 'ngoe le e 'ngoe ho tsoa hoSAKYSTELEe ka latelwa ka botlalo, e tla leSetifikeiti sa EN 10204 sa 3.1 kapa 3.2, mme e lekoa ho latela maemo a machaba.

3. Sebopeho sa Lik'hemik'hale

Themetsoako ea lik'hemik'haleTšepe ea P690 e leka-lekanngoa ka hloko ho fihlela matla a phahameng ntle le ho fokotsa ho tjheseletsa kapa ho tiea. Mefuta e tloaelehileng e bontšitsoe ka tlase:

Karolo Dikahare (%)
Khabone (C) 0.18 e phahameng ka ho fetisisa
Silicone (Si) 0.50 max
Manganese (Mn) 0.60–1.70
Fosforase (P) 0.025 max
Sebabole (S) 0.015 max
Chromium (Cr) 1.00–2.00
Nikele (Ni) 1.00–2.00
Molybdenum (Mo) 0.30–0.70
Vanadium (V) 0.08–0.20

Themotsoako oa ho kopanya oa Ni, Cr, le Moe fana ka tse babatsehangho thatafala le ho hanyetsa ho bola, hadikahare tse tlase tsa khabonenetefatsaho tjheseletsa hantle.

4. Thepa ea Mekaniki

Tšobotsi ea bohlokoa ea tšepe ea boleng ba P690 ketshebetso e ikhethang ea mechiniKamora ho tima le ho tjhesa, thepa e fana ka tekano ya matla a tlhahiso e phahameng, matla a ho thaepa, le ho tiea tse etsang hore e be e loketseng maemo a feteletseng a tshebeletso.

Thepa Boleng bo Tloaelehileng
Matla a Tlhahiso (MPa) ≥690
Matla a ho Tenyetseha (MPa) 770–940
Ho lelefatsa (%) 14–16
Matla a Tšusumetso (Charpy V-notch) ≥60 J mochesong o boletsoeng
Boima (HBW) ≤ 300

Esita le tlas'a maemo a mocheso o tlase, P690 e bolokaho tiea ha tšusumetso le ho se tsitse ha eona, ho thibela ho hloleha ho tetebela le ho netefatsa ho tšepahala ha nako e telele.

5. Ts'ebetso ea Tlhahiso

Ho hlahisa tšepe ea sehlopha sa P690 ho hlokatšepe e tsoetseng pele le kalafo e laoloang ea mochesoho fihlella sebopeho sa yona se senyenyane se nang le sebopeho se setle. Tshebetso e akaretsang e kenyeletsa:

  1. Ho qhibiliha ha mantlha– Ho Sebelisa Sebōpi sa Motlakase sa Arc (EAF) kapa Sebōpi sa Oksijene sa Motheo (BOF).

  2. Ho ntlafatsa– Sebōpi sa Ladle (LF) le Vacuum Degassing (VD) ho tlosa litšila.

  3. Ho Lahla ho Tswelang Pele– Ho etsa di-billet kapa di-slab tse nang le motswako o tshwanang.

  4. Ho Rolling ho Chesang– Lipoleiti li phuthoa ho fihlela botenya bo lakatsehang (hangata limilimithara tse 6–120).

  5. Ho tima– Pholisetsa ka potlako ho fihlela sebopeho sa martensitic.

  6. Ho leka-lekanya– Ho futhumatsa hape ho laolwang ho tsosolosa bokgoni ba ho sebetsa le ho tiea.

  7. Teko ea Ultrasonic le ea Bokaholimo– Ho netefatsa hore lipoleiti li na le sekoli pele li romelloa.

SAKYSTELEe sebelisa mela ea tlhahiso ea sejoale-joale ho netefatsaho nepahala ha tekanyo, qetello ea bokaholimo, le botsitso ba mechiniho pholletsa le sehlopha se seng le se seng sa P690.

6. Ho tjheseletsa le ho Etsa

Leha tšepe ea P690 e na le matla a phahameng, e ntse e le tenge ka tjheseletsoang ka ho sebedisa mekgwa e tlwaelehilengtse kang SMAW, SAW, GTAW, kapa GMAW — ha feela ho loketsekalafo ea mocheso oa ho futhumatsa le oa kamora ho chesetsoa (PWHT)mekhoa e lateloa.

Litlhahiso tsa Bohlokoa tsa ho Welding:

  • Futhumatsa ho fihlela ho 150–200°C ho fokotsa kotsi ea ho petsoha ha haeterojene

  • Boloka mocheso oa li-interpass o le ka tlase ho 250°C

  • Sebelisa li-electrode tse nang le haeterojene e tlase (mohlala, E11018-G)

  • Etsa PWHT mochesong oa 580–620°C bakeng sa ho imolla khatello ea maikutlo

  • Netefatsa hore ho phola butle ka mora ho tjheseletsa ho thibela keketseho ya boima

Taolo e nepahetseng nakong ea ho tjheseletsa e netefatsamanonyeletso a utloahalang a nang le kotsi e fokolang ea ho robeha kapa ho lahleheloa ke ho tiea.

7. Litšebeliso tse Tloaelehileng

Motsoako oamatla a phahameng, ho tjheseletsa ho babatsehang, le ho tiea ha tshusumetsoe etsa hore P690 e be ntle bakeng sa tikoloho e thata ea boenjiniere. Likopo tse tloaelehileng li kenyelletsa:

1. Lijana tsa Khatello

E sebelisoa holiindasteri tsa oli, khase le lik'hemik'halebakeng sa likepe tse sebetsanang le khatello e phahameng ea ka hare le mecha ea phatlalatso e senyang. Matla a eona a phahameng a tlhahiso a lumellamabota a masesaane, ho fokotsa boima le litšenyehelo.

2. Li-platform tsa Offshore

Mekhahlelo ea P690QL le P690QL2 e sebelisoa khafetsa hodikarolo tsa meaho tse kantle ho naha, joalo kamaoto, li-braces le lijakete, moo ho tiea ho hoholo le ts'ebetso ea mocheso o tlase li leng bohlokoa.

3. Liboiler le Li-exchange tsa Mocheso

Matla le botsitso ba mocheso o phahameng li etsa hore P690 e lokelemeropa ea boiler le likhetla tsa mocheso tse fetolang mochesoe sebetsang tlas'a khatello ea potoloho.

4. Mechini e Boima le Likereine

E sebelisoa holiforeimi tse jarang mojaro, ho phahamisa li-boomlematsoho a mechini, P690 e fana ka bokgoni bo phahameng ba ho jara le ho hanyetsa ho hloleha ha mokhathala.

5. Likopo tsa Tšireletso le tsa Metsing

Meahong ea likepe kapa likoloing tsa tšireletso,monyetla oa matla ho isa boimaea P690 e ntlafatsa tšireletso ha ka nako e ts'oanang e fokotsa boima bohle.

8. Melemo ea ho Sebelisa Tšepe ea P690

Ho khetha P690 ho fana ka melemo e mengata ea ts'ebetso le moruo ha ho bapisoa le litšepe tse tloaelehileng tse kang P355 kapa P460.

Melemo e Meholo:

  • Matla a Phahameng:E lumella meralo e mesesaane bakeng sa mojaro o tšoanang, e fokotsa boima ka kakaretso.

  • Ho Weldability e Hlollang:E boloka botšepehi ba manonyeletso ha e phekoloa hantle.

  • Matla a Phahameng:E mamella litlamorao tse matla le tse mocheso o tlase.

  • Ho Tšoarella ho Ntlafetseng:E hanela mokhathala le ho petsoha ha mafome a khatello ea maikutlo.

  • Ho Bokgoni ba Litšenyehelo:Ho fokotseha ha botenya ba thepa ho lebisa litšenyehelong tse tlase tsa tlhahiso le lipalangoang.

  • Bophelo bo Atolositsoeng ba Tšebeletso:Tshebetso e tšepahalang tlas'a maemo a thata a ts'ebetso.

SAKYSTELEe fana ka lihlahisoa tsa P690 tse ikhethileng tse fihlelanglitlhoko tse ikhethileng tsa projeke— ho tloha botenya ba poleiti le qetello ea bokaholimo ho isa ho tiisetsong ea tšusumetso le boemo ba setifikeiti.

9. Papiso le Litšepe tse ling tsa Meaho

Thepa P355 P460 P690
Matla a Tlhahiso (MPa) 355 460 690
Kalafo ea Mocheso E tloaelehileng E tloaelehileng E timme le ho halefa
Ho tjheseletsa E babatsehang Ho lokile Ho Hlokahala ho Chesa ha Mocheso ho Laoloang
Kopo Likepe tse akaretsang Khatello e mahareng Khatello e phahameng, lebōpong la leoatle
Bokgoni ba ho Imetsa Boima ba 'Mele E itekanetseng Ho lokile E babatsehang

Joalokaha ho bontšitsoe,P690 e fana ka matla a tlhahiso a batlang a imenne habeliea P355, e lumellang baqapi ho theha likepe tse bobebe empa tse matla le likarolo tse lebōpong la leoatle.

10. Netefatso ea Boleng le Setifikeiti

Poleiti le sehlahisoa se seng le se seng se fanoa keSAKYSTELEe feta ka thatatlhahlobo le tlhahlobopele ho pepa:

  • Teko ea Ultrasonic (UT) le tlhahlobo ea bofokoli ba bokaholimo

  • Liteko tsa ho tsikinyeha, tšusumetso le ho thatafalaho latela EN 10028-6

  • Netefatso ea kalafo ea mocheso(Lirekoto tsa potoloho ea Q&T)

  • Tlhahlobo ea litekanyo le teko ea ho ba bataletse

  • EN 10204 3.1 / 3.2 Setifikeiti

  • Tlhahlobo ea motho oa boraro (Lloyd's, DNV, SGS, TUV) ha e kopuoa

SAKYSTEEL e boloka botlaloho sala morao ho tloha linthong tse tala ho ea ho sehlahisoa se felileng, ho netefatsa kholiseho e felletseng bakeng sa moreki e mong le e mong.

11. Diforomo tsa Sehlahisoa tse Fumanehang

Tšepe ea sehlopha sa P690 e ka fanoa ka mefuta e fapaneng ea lihlahisoa ho latela litlhoko tsa projeke:

  • Lipoleiti: Botenya ba 6–120 mm

  • Liboloko tse entsoeng

  • Li-flange le lisebelisoa

  • Mekoallo e phutholohileng

  • Liprofaele tse khaotsoeng le libopeho tse entsoeng esale pele

  • Likarolo tse entsoeng ka mokhoa o ikhethileng

E 'ngoe le e 'ngoe e fumaneha kadisetifikeiti tsa feme, diphutheloana tsa kantle ho naha, le ditlaleho tsa tlhahloboe loketse ho romelloa machabeng.

12. Tataiso ea Polokelo le Tsamaiso

Ho boloka botšepehi ba mechini ba tšepe ea P690 pele e etsoa, ​​tlhokomelo e lokela ho fanoa hoTlhokomelo le polokelo e nepahetseng:

  • Boloka lipoleiti libakeng tse omileng, tse koahetsoeng ho thibela ho bola.

  • Qoba ho bokellana ka litšepe tse fapaneng ho thibela liketso tsa galvanic.

  • Sebelisa lisebelisoa tse bonolo tsa ho phahamisa ho thibela matshwao a bokaholimo kapa ho kobeha.

  • Kenya filimi ea oli e sireletsang ea nakoana bakeng sa polokelo ea nako e telele.

Mekhoa ena e thusa ho boloka boleng ba bokaholimo le botšepehi ba mechini ho fihlela ts'ebetso e qala.

13. Phepelo ea Lefatše le Thepa ea Tsamaiso

Ka lilemo tse mashome tsa boiphihlelo ba ho romela thepa kantle ho naha,SAKYSTELEe sebeletsa bareki hoEurope, Bochabela bo Hare, Asia Boroa-bochabela le Amerika BoroaSehlopha sa rona sa thepa se fana kaphano ea ntlo le ntlo, e tšehetsang Incoterms joalo kaFOB, CFR, CIF, le DAP.

Re ka boela ra hlophisa:

  • Litšebeletso tse ikhethileng

  • Sephutheloana sa kantle ho naha se ikhethileng

  • Phetisetso ea setifikeiti sa teko ea fektheri e potlakileng

  • Kemiso e feto-fetohang ea tlhahiso bakeng sa merero e potlakileng

SAKYSTEEL e ikemiselitse ho fana kathepa e tšepahalang le ho tlisoa ka nako, ho thusa balekane ba rona ho phethela merero ka bokgabane le ka boitshepo.

14. Lipotso Tse Botsoang Khafetsa (Lipotso Tse Botsoang Khafetsa)

P1: P690 e sebelisetsoa eng?
A1: P690 e sebediswa haholoholo holikepe tsa khatello, meaho e lebōpong la leoatle, le likarolo tse matla tse jarang mojaroe hlokang matla a phahameng a tlhahiso le ho tiea.

P2: Na P690 e ka tjheselletsoa?
A2: E, e ka tjheselletsoa ka ho sebedisa mekgwa ya setso, empaho futhumatsa pele le PWHTlia hlokahala ho thibela ho petsoha.

P3: Phapang ke efe pakeng tsa P690Q le P690QL2?
A3: Phapang e homocheso oa teko ea tšusumetso— Q e lekoa ho 0°C, QL ho -40°C, le QL2 ho -60°C.

P4: Na SAKYSTEEL e fana ka setifikeiti?
A4: Ehlile. Thepa eohle e tlisoa kaSetifikeiti sa EN 10204 3.1 kapa 3.2letlhahlobo ea motho oa boraroe ka hlophisoa ha ho kopuoa.

P5: Na P690 e ka nka sebaka sa litšepe tsa Inconel kapa Duplex?
A5: Eseng ka ho toba — P690 e fana ka matla a tšoanang le a mang a duplex empa ha e na ho hanyetsa ho bola ha eona. E molemo bakeng sa matla a sebopeho, eseng bakeng sa libaka tse mabifi tsa lik'hemik'hale.

15. Qetello

Tšepe ea sehlopha sa P690e emela moloko o mocha oathepa e matla e timmeng le e halefilenge etselitsoe lits'ebetso tsa boenjiniere ba bohlokoa. Motsoako oa eona oaMatla a tlhahiso ea 690 MPa, ho tiea ho babatsehangleho tjheseletsa ho laoloangetsa hore e be ea bohlokoa bakeng salikepe tsa khatello, liforomo tsa lebopong la leoatle, le likarolo tse boima tsa meaholefatšeng ka bophara.

Ka ho khethaSAKYSTELE, o fumana phihlello ho:

  • Boleng bo tsitsitseng bo netefalitsoeng ho latela maemo a machaba

  • Likhetho tsa tlhahiso le tlhahlobo tse ikhethileng

  • Tšehetso ea lefats'e ka bophara ea ho romella thepa le botekgeniki

Ka boqapi bo tswelang pele le boitlamo ba ho etsa bokhabane,SAKYSTELEe ntse e le ea haumolekane ea tšepahalang litharollong tsa tšepe tse matla haholo.

Nako ea poso: Mphalane-24-2025