Kwihlabathi lobunjineli banamhlanje kunye nokwenziwa kwezinto, imfunoiintsimbi ezinamandla aphezulu, ezinyibilikayo, nezihlala ixesha elideAkukaze kubekho nto ingcono kunale. Phakathi kwezi zinto ziphambili,Intsimbi yebanga le-P690ivelele njengenye yezona ndlela zithembekileyo zokusetyenziswa kwezakhiwo ezinzima. Eli nqaku nguI-SAKYSTELIhlola inkcazo, ukwakheka, iimpawu, kunye nokusetyenziswa kwentsimbi ye-P690, inceda iinjineli, abenzi bezinto, kunye nabaphathi beeprojekthi baqonde ukuba kutheni olu hlobo luye lwaba lukhetho olukhethwayo kwiinqanawa zoxinzelelo, amaqonga aselunxwemeni, kunye nezakhiwo ezinamandla aphezulu.
1. Isishwankathelo seP690 Grade Steel
P690yiintsimbi eqinileyo necinyiweyo enamandla aphezuluisetyenziswa kakhulu ekwenzeniizitya zoxinzelelo, iibhoyila, kunye nezinto ezinzima zokwakhaIgama elithi “P” egameni layo lithethaisinyithi sesitya soxinzelelo, ngelixa inani elithi “690” libhekisa kwiamandla amancinci okuvelisa angama-690 MPa, ephakame kakhulu xa ithelekiswa neentsimbi zesakhiwo eziqhelekileyo.
Le nto iyinxalenye yeUmgangatho we-EN 10028-6, echaza iintsimbi ngeenjongo zoxinzelelo ezidlulayounyango lobushushu olucinyiweyo noluthambileyo (QT)Ngenxa yokusebenza kwayo okuphezulu koomatshini kunye nokudityaniswa rhoqo,P690yamkelwe ngokubanzi kwiamacandelo amandla, i-petrochemical, aphesheya kolwandle, kunye nokhuselo.
Iimpawu eziphambili:
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Amandla amancinci okuvelisa: 690 MPa
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Uluhlu lwamandla okutsalwa: 770–940 MPa
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Unyango lobushushu: Lucinyiwe kwaye luqiniswe
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Ukuqina okugqwesileyo kumaqondo obushushu aphantsi
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Ukuwelda kakuhle ngokulungiswa kokufudumeza kwangaphambili kunye nonyango emva kokuwelda
At I-SAKYSTEL, sibonelelaI-P690Q, i-P690QL, kunye ne-P690QL2iinguqulelo, ezibonelela ngamanqanaba okuqina kwempembelelo ahlukeneyo afanelekileyo kwiindawo ezahlukeneyo zenkonzo.
2. Iinguqulelo kunye neMigangatho
I-P690 yahlulwe yangamanqanaba amathathu angaphantsi ngokusekelwe kwiiimfuno zobushushu zovavanyo lwempembelelo:
| Ibanga | Ukutyunjwa | Ubushushu bovavanyo lweMpembelelo obuphantsi | Isicelo esiqhelekileyo |
|---|---|---|---|
| P690Q | Icinyiwe kwaye inomsindo | 0°C | Iinqanawa zoxinzelelo ngokubanzi |
| P690QL | Icinyiwe kwaye ithambile (Ubushushu obuphantsi) | -40°C | Ngaphandle kolwandle kunye ne-cryogenic |
| P690QL2 | Icinyiwe kwaye ithambile (Ubushushu obuphantsi kakhulu) | -60°C | Iindawo ezikufutshane neArctic kunye ne-sub-zero |
Zonke ezi zigaba ziyahambelanaEN 10028-6kwaye inganikezelwa nakuIzinto ezilinganayo ze-ASME/ASTMxa iceliwe. Ipleyiti nganye okanye inxalenye yayo evelaI-SAKYSTELilandeleka ngokupheleleyo, inikweIsatifikethi se-EN 10204 esingu-3.1 okanye 3.2, kwaye ivavanywe ngokwemigangatho yamazwe ngamazwe.
3. Ukwakhiwa kweekhemikhali
Iukwakheka kweekhemikhaliIntsimbi ye-P690 ilungelelaniswe ngononophelo ukuze ifumane amandla aphezulu ngaphandle kokunciphisa ukudityaniswa okanye ukuqina. Uluhlu oluqhelekileyo luboniswe ngezantsi:
| I-elementi | Umxholo (%) |
|---|---|
| Ikhabhoni (C) | Ubuninzi obuyi-0.18 |
| I-Silicon (Si) | Ubuninzi obuyi-0.50 |
| IManganese (Mn) | 0.60–1.70 |
| I-Phosphorus (P) | Ubuninzi obuyi-0.025 |
| I-Sulfur (S) | Ubuninzi be-0.015 |
| I-Chromium (Cr) | 1.00–2.00 |
| I-Nickel (Ni) | 1.00–2.00 |
| I-Molybdenum (Mo) | 0.30–0.70 |
| I-Vanadium (V) | 0.08–0.20 |
Iindibaniselwano yokudibanisa i-Ni, i-Cr, kunye ne-Moibonelela ngokugqwesileyoukuqina kunye nokumelana nokugqwala, ngelixaumxholo ophantsi wekhabhonikuqinisekisaukudityaniswa kakuhle.
4. Iipropati zoomatshini
Uphawu oluphambili lwentsimbi ye-P690 grade kukubaukusebenza okugqwesileyo koomatshiniEmva kokuyicima nokuyithambisa, le nto inika ulungelelwano lwamandla aphezulu, amandla okutsalwa, kunye nokuqina okwenza ukuba ilungele iimeko ezinzima zenkonzo.
| Ipropati | Ixabiso eliqhelekileyo |
|---|---|
| Amandla okuKhula (i-MPa) | ≥690 |
| Amandla okuThamba (MPa) | 770–940 |
| Ukwandiswa (%) | 14–16 |
| Amandla empembelelo (iCharpy V-notch) | ≥60 J kubushushu obuchaziweyo |
| Ubunzima (HBW) | ≤ 300 |
Nokuba phantsi kweemeko zobushushu obuphantsi, i-P690 iyaqhubekaukuqina kwempembelelo kunye nokuguquguquka, ukuthintela ukungaphumeleli kokuqhekeka kunye nokuqinisekisa ukuthembeka kwexesha elide.
5. Inkqubo yoMveliso
Ukuvelisa intsimbi ye-P690 grade kufunai-metallurgy ephucukileyo kunye nonyango lobushushu olulawulwayoukufezekisa ulwakhiwo lwayo olucokisekileyo. Inkqubo iyonke ibandakanya:
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Ukunyibilika okuPhambili– Ukusebenzisa i-Electric Arc Furnace (EAF) okanye i-Basic Oxygen Furnace (BOF).
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Ukucocwa– I-Ladle Furnace (LF) kunye ne-Vacuum Degassing (VD) ukususa ukungcola.
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Ukuphosa Okuqhubekayo– Ukwenza iibhilethi okanye iislabhu ezinomxube ofanayo.
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Ukuqengqeleka Okushushu– Iipleyiti ziqengqwa ukuya kuluhlu lobukhulu obufunekayo (ngesiqhelo yi-6–120 mm).
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Ukucima– Ukupholisa ngokukhawuleza ukuze kufumaneke ulwakhiwo lwe-martensitic.
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Ukunciphisa– Ukulungiswa kobushushu ukuze kubuyiselwe ukuqina nokuqina.
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Uvavanyo lwe-Ultrasonic kunye nomphezulu– Ukuqinisekisa iipleyiti ezingenasiphako ngaphambi kokuba zithunyelwe.
I-SAKYSTELisebenzisa imigca yemveliso yanamhlanje ukuqinisekisaukuchaneka kobukhulu, ukugqitywa komphezulu, kunye nokuhambelana koomatshinikuyo yonke ibhetshi ye-P690.
6. Ukuwelda kunye noKwakha
Nangona intsimbi ye-P690 inamandla aphezulu, ihlala injaloinokudityaniswa kusetyenziswa iinkqubo zesiqhelonjenge-SMAW, i-SAW, i-GTAW, okanye i-GMAW — ukuba nje kufanelekileukufudumeza kwangaphambili kunye nonyango lobushushu emva kokuwelda (PWHT)iinkqubo ziyalandelwa.
Iingcebiso eziphambili zokuWelda:
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Fudumeza ukuya kuthi ga kwi-150–200°C ukunciphisa umngcipheko wokuqhekeka kwehydrogen
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Gcina ubushushu obuphakathi kwe-interpass bungaphantsi kwama-250°C
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Sebenzisa ii-electrodes ezine-hydrogen ephantsi (umz., E11018-G)
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Yenza i-PWHT kwi-580–620°C ukuze unciphise uxinzelelo
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Qinisekisa ukuba ukupholisa kancinci emva kokuwelda ukuthintela ukwanda kobunzima
Ulawulo olufanelekileyo ngexesha lokuwelda luqinisekisaamalungu aphilileyo angenamngcipheko mkhulu wokuba buthathaka okanye ukuphelelwa bukuqina.
7. Izicelo eziqhelekileyo
Indibaniselwano yeamandla aphezulu, ukudityaniswa kakuhle, kunye nokuqina kwempembeleloyenza i-P690 ilungele iimeko zobunjineli ezifuna amandla. Izicelo eziqhelekileyo ziquka:
1. Iinqanawa zoxinzelelo
Isetyenziswa kwiamashishini eoyile, igesi, kunye neekhemikhalikwimikhumbi ethwala uxinzelelo oluphezulu lwangaphakathi kunye nemithombo edlakazayo. Amandla ayo aphezulu okuvelisa avumelaiindonga ezincinci, ukunciphisa ubunzima kunye neendleko.
2. Amaqonga aselunxwemeni
Amanqanaba e-P690QL kunye ne-P690QL2 asetyenziswa rhoqo kwiizinto zesakhiwo zaselwandle, njengeimilenze, ii-braces, kunye neejakethi, apho ukuqina okuphezulu kunye nokusebenza okuphantsi kobushushu kubalulekile.
3. Iibhoyila kunye nee-Heat Exchangers
Amandla nozinzo lobushushu obuphezulu kwenza i-P690 ifanelekeiidrama zebhoyila kunye neegobolondo zokutshintsha ubushushuukusebenza phantsi koxinzelelo olujikelezayo.
4. Oomatshini Abanzima kunye neeKreyini
Isetyenziswa kwiiifreyimu ezithwala umthwalo, ukuphakamisa ii-boomkunyeiingalo zoomatshini, i-P690 inika amandla aphezulu okuthwala umthwalo kunye nokumelana nokungaphumeleli kokudinwa.
5. Izicelo zoKhuselo nezoLwandle
Kwizakhiwo zaselwandle okanye kwizithuthi zokhuselo,inzuzo yokuqina ukuya kobunzimaye-P690 iphucula ukhuseleko ngelixa inciphisa ubunzima obupheleleyo.
8. Iingenelo zokusebenzisa intsimbi ye-P690
Ukukhetha i-P690 kunika iingenelo ezininzi zokusebenza kunye nezoqoqosho xa kuthelekiswa neentsimbi zesiqhelo ezifana ne-P355 okanye i-P460.
Iingenelo eziphambili:
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Amandla aphezulu:Ivumela uyilo oluncinci lomthwalo ofanayo, kunciphisa ubunzima bubonke.
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Ukudityaniswa kakuhle:Igcina ulwalamano luqinile xa iphathwa kakuhle.
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Ukuqina Okuphezulu:Iyamelana nefuthe eliguqukayo neliphantsi kubushushu.
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Ukuqina Okuphuculweyo:Iyamelana nokudinwa kunye nokuqhekeka koxinzelelo.
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Ukusebenza kakuhle kweendleko:Ukuncipha kobukhulu bezinto ezisetyenzisiweyo kukhokelela ekuncipheni kweendleko zokwenziwa kunye nezothutho.
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Ubomi beNkonzo eyongeziweyo:Ukusebenza okuthembekileyo phantsi kweemeko ezinzima zokusebenza.
I-SAKYSTELibonelela ngeemveliso zeP690 ezenzelwe wena ezihlangabezana neemfuno zakhoiimfuno ezithile zeprojekthi— ukususela kubukhulu bepleyiti kunye nokugqitywa komphezulu ukuya kubunzima obunempembelelo kunye nenqanaba lokuqinisekiswa.
9. Uthelekiso nezinye iintsimbi zesakhiwo
| Ipropati | P355 | P460 | P690 |
|---|---|---|---|
| Amandla okuKhula (i-MPa) | 355 | 460 | 690 |
| Unyango lobushushu | Iqhelekile | Iqhelekile | Icinyiwe kwaye inomsindo |
| Ukuxinana | Igqwesile | Kulungile | Ubushushu obulawulwayo buyimfuneko |
| Isicelo | Iinqanawa eziqhelekileyo | Uxinzelelo oluphakathi | Uxinzelelo oluphezulu, oluselunxwemeni |
| Ukusebenza kakuhle kobunzima | Iphakathi | Kulungile | Igqwesile |
Njengoko kubonisiwe,I-P690 inika phantse amandla okuvelisa kabiniye-P355, evumela abayili ukuba benze iinqanawa zoxinzelelo ezilula kodwa ezinamandla kunye nezinto ezingaphandle kolwandle.
10. Uqinisekiso loMgangatho kunye neSatifikethi
Ipleyiti nganye kunye nemveliso zibonelelwa nguI-SAKYSTELidlula ngokungqongqouvavanyo kunye nokuhlolwangaphambi kokunikezelwa:
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Uvavanyo lwe-Ultrasonic (UT) kunye nokuhlolwa kweziphene zomphezulu
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Uvavanyo lokuxinana, impembelelo, kunye nobunzimangokwe-EN 10028-6
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Ukuqinisekiswa konyango lobushushu(Iirekhodi zemijikelo ye-Q&T)
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Uvavanyo lobukhulu kunye novavanyo lokutyibilika
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EN 10204 3.1 / 3.2 Isiqinisekiso
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Uhlolo lomntu wesithathu (Lloyd's, DNV, SGS, TUV) xa luceliwe
I-SAKYSTEEL igcina yonke intoukulandeleka ukusuka kwizinto eziluhlaza ukuya kwimveliso egqityiweyo, ukuqinisekisa ukuzithemba okupheleleyo kumthengi ngamnye.
11. Iifomu zeMveliso ezikhoyo
Intsimbi ye-P690 grade ingabonelelwa ngeendlela ezahlukeneyo zemveliso kuxhomekeke kwiimfuno zeprojekthi:
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Iipleyiti: Ubukhulu obuyi-6–120 mm
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Iibhloko ezenziweyo
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Iiflanges kunye nezixhobo
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Iibha eziqengqelekayo
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Sika iiprofayili kunye neemilo ezenziwe kwangaphambili
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Izixhobo ezenziwe ngokwezifiso
Nganye iyafumaneka kunyeizatifikethi zomatshini wokugaya, ukupakishwa kokuthumela ngaphandle, kunye neengxelo zokuhlolwailungele ukuthunyelwa kwamanye amazwe.
12. Izikhokelo Zokugcina Nokuphatha
Ukuze kugcinwe ukuthembeka koomatshini bentsimbi ye-P690 ngaphambi kokuba yenziwe, kufuneka kunikwe ingqaleloukuphathwa kakuhle kunye nokugcinwa:
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Gcina iipleyiti kwiindawo ezomileyo nezigqunyiweyo ukuze zingagqwali.
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Kuphephe ukunqwabelana ngeentsimbi ezahlukeneyo ukuze uthintele ukusabela kwe-galvanic.
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Sebenzisa izixhobo zokuphakamisa ezithambileyo ukuthintela amabala omphezulu okanye ukubhitya.
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Faka ifilimu yeoyile yokukhusela yexeshana ukuze uyigcine ixesha elide.
Ezi ndlela zinceda ekugcineni umgangatho womphezulu kunye nokuthembeka koomatshini kude kuqale ukucutshungulwa.
13. Ubonelelo lweHlabathi kunye noLogistics
Ngamava eminyaka emininzi okuthumela ngaphandle,I-SAKYSTELikhonza abathengi kwiIYurophu, uMbindi Mpuma, uMzantsi-mpuma weAsia, kunye noMzantsi MelikaIqela lethu lezothutho libonelelaukuhanjiswa kwindlu ngendlu, exhasa ii-Incoterms ezifana neI-FOB, i-CFR, i-CIF, kunye ne-DAP.
Singalungiselela kwakhona:
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Iinkonzo ezilinganiselweyo ngobukhulu
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Ukupakisha okuthunyelweyo ngokwezifiso
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Ukuhanjiswa kwesatifikethi sovavanyo lwe-Express mill
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Iishedyuli zemveliso eziguquguqukayo kwiiprojekthi ezingxamisekileyo
I-SAKYSTEEL izibophelele ekuboneleleniizixhobo ezithembekileyo kunye nokuhanjiswa ngexesha elifanelekileyo, ukunceda amaqabane ethu ukuba agqibe iiprojekthi ngokufanelekileyo nangokuzithemba.
14. Imibuzo Ebuzwa Rhoqo (Imibuzo Ebuzwa Rhoqo)
Umbuzo 1: Isetyenziselwa ntoni i-P690?
A1: I-P690 isetyenziswa kakhulu kwiiinqanawa zoxinzelelo, izakhiwo zaselunxwemeni, kunye nezinto ezinamandla aphezulu ezithwala umthwaloifuna amandla aphezulu okuvelisa nokuqina.
Umbuzo 2: Ingaba i-P690 iyathungelwa?
A2: Ewe, ingadityaniswa kusetyenziswa iindlela eziqhelekileyo, kodwaukufudumeza kwangaphambili kunye ne-PWHTziyimfuneko ukuthintela ukuqhekeka.
Umbuzo 3: Yintoni umahluko phakathi kweP690Q kunye neP690QL2?
A3: Umahluko ukho kwiubushushu bovavanyo lwempembelelo— I-Q ivavanywa kwi-0°C, i-QL kwi--40°C, kunye ne-QL2 kwi--60°C.
Umbuzo 4: Ngaba iSAKYSTEEL inika isiqinisekiso?
A4: Ngokuqinisekileyo. Zonke izixhobo zihanjiswa kunyeIzatifikethi ze-EN 10204 3.1 okanye 3.2kunyeuhlolo lomntu wesithathuingalungiselelwa xa iceliwe.
Umbuzo 5: Ngaba i-P690 ingathatha indawo yeentsimbi ze-Inconel okanye ze-Duplex?
A5: Hayi ngokuthe ngqo — I-P690 inika amandla afana namanye amanqanaba amabini kodwa ayinayo ukumelana nokugqwala. Ilungele amandla olwakhiwo, hayi kwiindawo ezinoburhalarhume beekhemikhali.
15. Isiphelo
Intsimbi yebanga le-P690imele isizukulwana esitsha seizixhobo ezicinyiweyo nezinomoya ophantsi ezinamandla aphezuluyenzelwe ukusetyenziswa kwezicelo zobunjineli obubalulekileyo. Umxube wayoAmandla okukhupha i-690 MPa, ubulukhuni obugqwesileyokunyeukuwelda okulawulwayoyenze kube yinto ebaluleke kakhuluiinqanawa zoxinzelelo, amaqonga aselunxwemeni, kunye nezinto ezinzima zokwakhakwihlabathi liphela.
NgokukhethaI-SAKYSTEL, ufumana ukufikelela kwi:
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Umgangatho ohlala uqinisekisiwe ngokwemigangatho yamazwe ngamazwe
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Iinketho zemveliso kunye nokuhlolwa ezenzelwe wena
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Ukuthunyelwa kwempahla kwihlabathi liphela kunye nenkxaso yobugcisa
Ngokuqhubeka nokuvelisa izinto ezintsha kunye nokuzibophelela ekugqweseni,I-SAKYSTELihlala yakhoiqabane elithembekileyo kwizisombululo zentsimbi enamandla aphezulu.
Ixesha leposi: Oktobha-24-2025