Pipe ea Tšepe ea X42 SSAW bakeng sa ho Kenyeha ha Liqubu
X42 SSAWliphaephe tsa tšepe li entsoe ka tšepe ea boleng bo holimo ho netefatsa hore li phela nako e telele le ho tiea le maemong a thata ka ho fetisisa. Moralo oa eona oa spiral welded o matlafatsa matla le ts'epahalo ea eona, e e etsa khetho e ntle haholo bakeng sa ts'ehetso ea motheo mererong ea kaho ea boema-kepe le boema-kepe.
Standard | Kereiti ea tšepe | Sebopeho sa lik'hemik'hale | Thepa ea tensile | Teko ea Charpy Impact le Teko ea ho theola boima ba 'mele | |||||||||||
C | Mn | P | S | Ti | Tse ding | CEV4) (%) | Rt0.5 Mpa Ho hlahisa matla | Rm Mpa Tensile matla | A% L0=5.65 √ S0 Elongation | ||||||
max | max | max | max | max | max | max | min | max | min | max | |||||
API Spec 5L (PSL2) | B | 0.22 | 1.20 | 0.025 | 0.015 | 0.04 | Bakeng sa limaraka tsohle tsa tšepe: Ho ikhethela ho eketsa Nb kapa V kapa motsoako ofe kapa ofe ea bona, empa Nb+V+Ti ≤ 0.15%, le Nb+V ≤ 0.06% bakeng sa sehlopha sa B | 0.25 | 0.43 | 241 | 448 | 414 | 758 | Ho baloa ho ea ka foromo e latelang: e=1944·A0.2/U0.9 A: Karolelano sebaka sa sampole ho mm2 U: Matla a fokolang a boletsoeng ka tlase Mpa | Ho na le liteko tse hlokahalang le liteko tsa boikhethelo. Bakeng sa lintlha, sheba maemo a mantlha. |
X42 | 0.22 | 1.30 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 290 | 496 | 414 | 758 | ||||
X46 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 317 | 524 | 434 | 758 | ||||
X52 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 359 | 531 | 455 | 758 | ||||
X56 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 386 | 544 | 490 | 758 | ||||
X60 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | 0.25 | 0.43 | 414 | 565 | 517 | 758 | ||||
X65 | 0.22 | 1.45 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 448 | 600 | 531 | 758 | ||||
X70 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 483 | 621 | 565 | 758 | ||||
X80 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 | 0.25 | 0.43 | 552 | 690 | 621 | 827 | ||||
1)CE(Pcm)=C+ Si/30 +(Mn+Cu+Cr)/20 + Ni/60 + No/15 + V/10 + 58 | |||||||||||||||
2)CE(LLW)=C+ Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15 |
Lithako tsa lipeipi tsa tšepe tsa X42 SSAW li fumaneha ka bophara ba bophara ba bophara ho lumellana le mefuta e fapaneng ea litlhaloso tsa kaho, tse lumellang ho feto-fetoha ha maemo le ho iketsetsa moralo oa morero. Ho sa tsotellehe hore na o hloka bophara bo fokolang bakeng sa setša sa kaho se kopanetsoeng haholoanyane kapa bophara bo boholoanyane bakeng sa ho eketseha ha matla a ho jara, qubu ena ea lipeipi tsa tšepe e ka etsoa ho latela litlhoko tsa hau tse khethehileng.
Ntle le mefuta e fapaneng ea bophara ba bophara, liphaephe tsa tšepe tsa X42 SSAW le tsona li fumaneha ka bolelele bo fapaneng, li fana ka likhetho tse ling tsa ho itlhophisa bakeng sa morero oa hau oa kaho. Ho ikamahanya le maemo ho etsa bonnete ba hore o ka khetha qubu e phethahetseng ea lipeipi tsa tšepe bakeng sa kaho ea hau ea boema-kepe kapa ea boema-kepe, ho ntlafatsa ts'ebetso le ts'ebetso ea eona.
Pipe ea tšepe ea X42 SSAW liqubu li etselitsoe ho finyella litekanyetso tse phahameng ka ho fetisisa tsa indasteri bakeng sa boleng le tshebetso. Sebopeho sa eona se tiileng le moralo oa li-spiral welded li netefatsa hore e khona ho mamella maemo a thata a boema-kepe le tikoloho ea boema-kepe, e fana ka motheo o bolokehileng le o tšepahalang oa projeke ea hau ea kaho.
Ha ho tluoa tabeng ea kaho ea boema-kepe le boema-kepe, bohlokoa ba motheo o tiileng le o tšoarellang bo ke ke ba feteletsoa. Liphaephe tsa tšepe tsa X42 SSAW li fana ka tharollo e phethahetseng, e kopanyang ho feto-fetoha ha maemo, matla le ho ts'epahala ho fihlela litlhoko tsa hau tsa kaho. Bophara ba eona bo pharaletseng, kaho ea tšepe ea boleng bo holimo le likhetho tsa bolelele bo ikhethileng li etsa hore e be e loketseng merero e fapaneng ea kaho ea li-terminal le port.
Khetha liphaephe tsa tšepe tsa X42 SSAW bakeng sa projeke ea hau e latelang ea kaho ea boema-kepe 'me u be le boiphihlelo le ts'ebetso e ke keng ea lekanngoa. Ka matla a eona a ikhethang le ho feto-fetoha ha maemo, senaspiral welded pipe ke tharollo e phethahetseng ea motheo bakeng sa litlhoko tsa hau tsa kaho.