Ithute ka Theko ea morao-rao ea ASTM A709 Steel Plate/Sheet, Litlhaloso le Litekanyo.
Poleiti ea Tšepe ea Sebopeho se Phahameng ea ASTM A709 | Kereiti ea 36 / 50 / 50W / HPS 70W / HPS 100W
| Ntho | Lintlha tse qaqileng |
| Maemo a Boitsebiso | ASTM A709 |
| Sehlopha | Kereiti ea 36, Kereiti ea 50, Kereiti ea 50W, Kereiti ea HPS 70W, Kereiti ea HPS 100W |
| Bophara bo Tloaelehileng | 1,000 mm – 2,500 mm |
| Bolelele bo Tloaelehileng | 6,000 mm – 12,000 mm (e ka fetoloang) |
| Matla a tšepe | 400–895 MPa (85–130 ksi) |
| Matla a Tekanyo | 250-690 MPa (36-100 ksi) |
| Molemo | Matla a Phahameng, Matla a Hloahloa, le Botsitso bo Phahameng bakeng sa Litšebeliso tsa Borokho le tsa Meaho |
| Tlhahlobo ea Boleng | Teko ea Ultrasonic (UT), Teko ea Likaroloana tsa Magnetic (MPT), ISO 9001, Tlhahlobo ea Mokha oa Boraro oa SGS/BV |
| Kopo | Marokho, Litsela tse Kholo, le Litšebeliso tse Boima tsa Meaho tse Hlokang Matla a Phahameng le ho Tšoarella |
Sebopeho sa Lik'hemik'hale (Sebaka se Tloaelehileng)
Sebopeho sa Lik'hemik'hale sa Poleiti/Sheete ea Tšepe ea ASTM A709
| Karolo | Sehlopha sa 36 | Sehlopha sa 50 / 50S | Sehlopha sa 50W (Boemo ba Leholimo) | HPS 50W / HPS 70W |
| Khabone (C) | ≤ 0.23% | ≤ 0.23% | ≤ 0.23% | ≤ 0.23% |
| Manganese (Mn) | 0.80–1.35% | 0.85–1.35% | 0.85–1.35% | 0.85–1.35% |
| Silicone (Si) | 0.15–0.40% | 0.15–0.40% | 0.15–0.40% | 0.15–0.40% |
| Fosforase (P) | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% | ≤ 0.035% |
| Sebabole (S) | ≤ 0.040% | ≤ 0.040% | ≤ 0.040% | ≤ 0.040% |
| Koporo (Cu) | 0.20–0.40% | 0.20–0.40% | 0.20–0.50% | 0.20–0.50% |
| Nikele (Ni) | – | – | 0.40–0.65% | 0.40–0.65% |
| Chromium (Cr) | – | – | 0.40–0.65% | 0.40–0.65% |
| Vanadium (V) | ≤ 0.08% | ≤ 0.08% | ≤ 0.08% | ≤ 0.08% |
| Columbium/Niobium (Nb) | ≤ 0.02% | ≤ 0.02% | ≤ 0.02% | ≤ 0.02% |
Thepa ea ASTM A709 ea Poleiti/Thepa ea Mechanical ea ASTM A709
| Sehlopha | Matla a ho Tenyetseha (MPa) | Matla a ho Tenyetseha (ksi) | Matla a Tlhahiso (MPa) | Matla a Tekanyo (ksi) |
| A709 Kereiti ea 36 | 400–552 MPa | 58–80 ksi | 250 MPa | 36 ksi |
| A709 Kereiti ea 50 | 485–620 MPa | 70–90 ksi | 345 MPa | 50 ksi |
| A709 Kereiti ea 50S | 485–620 MPa | 70–90 ksi | 345 MPa | 50 ksi |
| A709 Kereiti ea 50W (Tšepe ea Boemo ba Leholimo) | 485–620 MPa | 70–90 ksi | 345 MPa | 50 ksi |
| A709 HPS 50W | 485–620 MPa | 70–90 ksi | 345 MPa | 50 ksi |
| A709 HPS 70W | 570–760 MPa | 80–110 ksi | 485 MPa | 70 ksi |
| A709 HPS 100W | 690–895 MPa | 100–130 ksi | 690 MPa | 100 ksi |
Boholo ba Poleiti/Liseile tsa Tšepe tsa ASTM A709
| Paramethara | Sebaka |
| Botenya | 2 mm – 200 mm |
| Bophara | 1,000 mm – 2,500 mm |
| Bolelele | 6,000 mm – 12,000 mm (boholo bo ikgethileng bo a fumaneha) |
Tobetsa Konopo e ka ho le letona
1. Khetho ea Lisebelisoa tse Tala
Ho khethoa tšepe ea boleng bo holimo kapa tšepe e senyehileng ho netefatsa hore motsoako oa lik'hemik'hale o fihlela litlhoko tsa ASTM A709.
2. Ho etsa tšepe
Mekhoa ea Motheo ea Sebōpi sa Oksijene (BOF) kapa Sebōpi sa Motlakase sa Arc (EAF) e sebelisoa ho qhibilihisa thepa e tala.
Dikarolo tse kopanyang tse kang manganese, silicon, koporo, nickel le chromium di a eketsoa ho fihlella maemo le thepa e lakatsehang.
3. Ho lahla
Tšepe e qhibilihisitsoeng e lahleloa ka har'a li-slab ho sebelisoa mekhoa ea ho lahla ka mokhoa o tsoelang pele kapa ea ho lahla ka mokhoa oa ingot.
4. Ho Roller e Chesang
Li-slab li futhumatsoa mochesong o phahameng (~1200°C) ebe li phuthoa ka lipoleiti tsa botenya le bophara bo hlokahalang.
Ho pitikisa le ho phodisa ho laolwang ho ntlafatsa thepa ya metjhini jwalo ka matla a tlhahiso le ho tiya.
5. Kalafo ea Mocheso (haeba ho hlokahala)
Mefuta e meng (mohlala, HPS) e ka ’na ea tingoa le ho belisoa ho ntlafatsa matla, ho tiea le ho tjheseletsa.
6. Kalafo ea Bokaholimo
Lipoleiti lia tlosoa (ho pickling, ho thunya ka lithunya) ho tlosa likarolo tsa oxide le ho itokisetsa ts'ebetso e tsoelang pele kapa ho koahela.
7. Ho seha le ho Qetella
Lipoleiti li sehoa ka boholo bo boletsoeng, li hlahlojoa, 'me li lekoa bakeng sa thepa ea mechini, sebopeho sa lik'hemik'hale le ho nepahala ha litekanyo ho latela maemo a ASTM A709.
8. Taolo ea Boleng le Tlhahlobo
Poleiti e 'ngoe le e 'ngoe e feta litekong tse matla:
Liteko tsa ho tsikinyeha le matla a ho ntsha
Liteko tsa tšusumetso ea Charpy
Teko ea ultrasound kapa ultrasound bakeng sa liphoso tsa ka hare
Tlhahlobo ea litekanyo le ea bokaholimo
9. Ho paka le ho tlisa thepa
Lipoleiti tse felileng lia kopanngoa, li ngoloa, 'me li lokisetsoa ho romelloa ho bareki kapa libakeng tsa kaho.
Lipoleiti tsa tšepe tsa STM A709 haholo-holo ke lipoleiti tsa tšepe tsa sebopeho tse matla haholo, tse nang le motsoako o tlase tse etselitsoeng ho sebelisoa marokhong le lits'ebetsong tse ling tse boima tsa sebopeho. Motsoako oa tsona oa matla, ho tiea le ho tjheseletsa li etsa hore li be ntle bakeng sa merero ea bohlokoa ea meralo ea motheo.
Likopo tse Tloaelehileng:
Kaho ea Borokho
Li-girder le li-stringers tse ka sehloohong
Lipoleiti tsa deske
Mathule a borokho ba Orthotropic
Tsela e kholo, literene le marokho a ba tsamaeang ka maoto
Merero e Meholo ea Kaho
Mehaho ea indasteri le matlo a polokelo
Likereine tse kholo le meaho ea tšehetso
Litora tsa phetisetso le meaho ea lits'ebeletso
Meaho ea Leoatle le ea Lebōpo la Leoatle
Likepe le mafika a leoatle
Li-platform tsa kantle ho naha
Meaho e sireletsang lebopong
Litšebeliso tse ling tse ikhethang
Mabota a ho sireletsa
Meaho e sireletsang libakeng tse nang le tshusumetso e matla
Likarolo tse hlokang ho tiea ho hoholo le ts'ebetso e tlase ea mocheso
1) Ofisi ea Lekala - tšehetso ea batho ba buang Sepanishe, thuso ea ho tlosa thepa ea lekgetho, jj.
2) Ho na le lithane tse fetang 5,000 tsa setoko, ka mefuta e fapaneng ea boholo
3) E hlahlobiloe ke mekhatlo e nang le matla a ho laela e kang CCIC, SGS, BV, le TUV, ka liphutheloana tse tloaelehileng tse loketseng ho sesa leoatleng
| Tjhe. | Ntho ea Tlhahlobo | Tlhaloso / Litlhoko | Lisebelisoa tse Sebelisitsoeng |
| 1 | Tlhahlobo ea Tokomane | Netefatsa MTC, kereiti ea thepa, maemo (ASTM/EN/GB), palo ea mocheso, sehlopha, boholo, bongata, thepa ea lik'hemik'hale le ea mechini. | MTC, litokomane tsa odara |
| 2 | Tlhahlobo ea Pono | Hlahloba mapetso, mameno, lintho tse kenyellelitsoeng, mafome, mafome, sekala, maqeba, masoba, ho teteana, ho ba le leqhubu, ho ba le leqhubu, le boleng ba moedi. | Tlhahlobo ea pono, toche, seholisa |
| 3 | Tlhahlobo ea litekanyo | Lekanya botenya, bophara, bolelele, ho batalatsa, sekwere sa moedi, ho kheloha ha sekhutlo; netefatsa hore mamello e fihlela maemo a ASTM A6/EN 10029/GB. | Caliper, tekanyo ea theipi, rulara ea tšepe, gauge ea botenya ba ultrasonic |
| 4 | Netefatso ea Boima | Bapisa boima ba 'nete le boima ba khopolo-taba; tiisa ka har'a mamello e lumelletsoeng (hangata ± 1%). | Sekala sa boima, palo ea boima |
1. Liphutheloana tse Pakiloeng
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Lipoleiti tsa tšepe li beoa ka makhethe ho latela boholo.
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Li-spacer tsa lehong kapa tsa tšepe li beoa lipakeng tsa mealo.
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Liphutheloana li tiisitsoe ka marapo a tšepe.
2. Sephutheloana sa Letlapa kapa Pallet
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Lipoleiti tse nyane kapa tsa maemo a holimo li ka pakoa ka har'a mabokose a lehong kapa holim'a liphalete.
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Lisebelisoa tse sa keneleng mongobo tse kang pampiri e thibelang mafome kapa filimi ea polasetiki li ka eketsoa kahare.
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E loketse ho romelwa kantle ho naha mme e bonolo ho e sebetsana.
3. Thomello e Kholo
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Lipoleiti tse kholo li ka tsamaisoa ka sekepe kapa teraka ka bongata.
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Li-pad tsa lehong le thepa ea tšireletso li sebelisoa ho thibela ho thulana.
Tšebelisano e tsitsitseng le lik'hamphani tsa ho romela thepa tse kang MSK, MSC, COSCO ka mokhoa o sebetsang oa ketane ea litšebeletso tsa thepa, ketane ea litšebeletso tsa thepa le thepa li tla u khotsofatsa.
Re latela maemo a sistimi ea taolo ea boleng ba ISO9001 ts'ebetsong eohle, 'me re na le taolo e tiileng ho tloha ho rekoeng ha thepa ea ho paka ho isa ho kemisong ea likoloi tsa lipalangoang. Sena se tiisa mahlakore a H ho tloha fekthering ho ea fihla sebakeng sa projeke, ho u thusa ho haha motheong o tiileng bakeng sa projeke e se nang mathata!
1. Poleiti ea tšepe ea ASTM A709 ke eng?
ASTM A709 ke poleiti ea tšepe ea meaho e matla haholo, e sa sebeliseng motsoako o mongata haholo e sebelisoang haholo marokhong, kahong e boima le mererong ea meralo ea motheo. E fana ka ho tiea ho hoholo, ho tjheseletsa le ho tšoarella libakeng tse kantle le tse nang le khatello e phahameng.
2. Na tšepe ea ASTM A709 e ka kopanngoa?
E. Mekhahlelo yohle e ka tjheselletswa, empa ho futhumatswa hantle pele le kalafo ya kamora ho tjheseletsa ho ka hlokahala bakeng sa dipoleiti tse teteaneng kapa dibakeng tse nang le mocheso o tlase. Mekhahlelo ya ho tjheseletsa e hloka ho tjheseletsa ka hloko ho boloka ho hanyetsa mafome.
3. Ke boholo le botenya bofe bo fumanehang?
Botenya ba poleiti: Hangata 6 mm - 250 mm
Bophara: Ho fihlela ho 4,000 mm ho latela moetsi
Bolelele: Hangata 12,000 mm, empa e ka fetoloa hore e be ea hau
4. Phapang ke efe pakeng tsa ASTM A709 le ASTM A36?
ASTM A709 e na le matla a phahameng, ho tiea ho betere, le thepa ea boikhethelo ea ho thibela ho fetoha ha boemo ba leholimo.
ASTM A36 ke tšepe e tloaelehileng ea khabone, haholo-holo bakeng sa lits'ebetso tse akaretsang tsa sebopeho, ha e ntlafalitsoe bakeng sa marokho kapa libaka tse thata.
5. Poleiti ea tšepe ea ASTM A709 e lekoa joang?
Liteko tsa ho tsikinyeha ho netefatsa chai le matla a ho qetela
Liteko tsa tshusumetso ea Charpy bakeng sa ho tiea ha mocheso o tlase
Tlhahlobo ea lik'hemik'hale ho netefatsa motsoako oa motsoako
Liteko tsa ho batalatsa le tsa boholo
6. Ke hobane'ng ha u khetha poleiti ea tšepe ea ASTM A709?
Matla a phahameng bakeng sa boima bo fokotsehileng
Ho tjheseletsa hantle le tshebetso e ntle ya tlhahiso
Mekhahlelo ea ho ikhethela ea ho lema bakeng sa ho tšoarella nako e telele
E loketse libaka tse nang le mocheso o tlase le tse nang le khatello e phahameng
Lintlha tsa ho ikopanya
Aterese
Sebaka sa indasteri ea nts'etsopele ea Kangsheng,
Setereke sa Wuqing, toropo ea Tianjin, China.
Imeile
Mohala
Lihora
Mantaha-Sontaha: Tšebeletso ea lihora tse 24
