Spiral Seam Welded Pipe GBT9711 2011PSL2
Re thabela ho hlahisa sehlahisoa sa rona se secha,spiral seam welded pipe.Sehlahisoa sena se entsoeng ka mekhoa e mengata se entsoe ka ho roala tšepe e nang le khabone e tlase kapa litšepe tsa tšepe tse nang le alloy tse tlase hore li be likheong tsa li-tube ka lehlakoreng le itseng la spiral, ebe ho tjheseletsa seams.Ts'ebetso ena e ikhethang ea tlhahiso e re lumella ho hlahisa liphaephe tse kholo tsa tšepe tse bophara bo boholo ho tloha marapeng a batlang a le moqotetsane.
Ho Cangzhou Spiral Steel Pipes Group Co., Ltd., re motlotlo haholo ka meaho ea rona ea morao-rao le theknoloji e tsoetseng pele.E koahela sebaka sa lisekoere-mithara tse 350,000 le thepa eohle ea li-yuan tse limilione tse 680, e fetohile moetapele indastering.Ka sehlopha se inehetseng sa basebetsi ba 680, ka boiteko bo sa feleng, k'hamphani e na le tlhahiso ea selemo le selemo ea lithane tse 400,000 tsa liphaephe tsa tšepe tse spiral le boleng ba li-yuan tse limilione tse likete tse 1,8.
Standard |
Kereiti ea tšepe | (%) Sebopeho sa lik'hemik'hale | Thepa ea tensile | Charpy ImpactTeko le ho LahlaBoima ba Teko ea Meokho | ||||||||||||||
C | Si | Mn | P | S | V | Nb | Ti | Tse ding | CEV4)(%) | Rt0.5 MpaHo hlahisa matla |
Rm Mpa Matla a tšepe | Rt0.5/ Rm | (L0=5.65 √ S0) Elongation A% | |||||
max | max | max | max | max | max | max | max | max | min | max | min | max | max | min | ||||
GB/T9711 -2011 (PSL2) | L245MB | 0.22 | 0.45 | 1.20 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 245 | 450 | 415 |
760 |
0.93 | 22 | Teko ea phello ea Charpy: Tšusumetsomonyamatla a 'mele oa liphaephe le seam weld tla lekoa joalo ka e hlokehang ka tekanyetso ea pele.Bakeng sa lintlha, sheba maemo a mantlha. Teko ea ho theola boima ba 'mele: Ho ikhethela sebaka sa ho kuta |
L290MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.40 | 290 | 495 | 415 | 21 | ||||
L320MB | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
L360MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
L390MB | 0.22 | 0.45 | 1.40 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
L415MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
L450MB | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | 协议Puisano | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
Hlokomela:1)0.015 ≤ Altot < 0.060;N ≤ 0.012;AI—N ≥ 2—1;Cu ≤ 0.25;Ni ≤ 0.30;Cr ≤ 0.30;Mo ≤ 0.10; | ||||||||||||||||||
2)V+Nb+Ti ≤ 0.015%3) Bakeng sa limaraka tsohle tsa tšepe, Mo e ka ≤ 0.35%, tlas'a konteraka. Mong Cr+Mo+V Ke+Ni 4)CEV=C+6 + 5 + 5
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E 'ngoe ea melemo ea mantlha ea peipi ea rona e tsoetsoeng ka seam e spiral ke matla a eona a ke keng a lekanngoa le ho tšoarella nako e telele.Tšebeliso ea lisebelisoa tsa boleng bo phahameng ba tšepe e etsa bonnete ba hore liphaephe tsa rona li ka mamella maemo a feteletseng le meroalo e boima, e leng se etsang hore li tšoanelehe bakeng sa mefuta e mengata ea likopo.Ho tloha phetisong ea oli le khase ho ea litsing tsa metsi le likhoerekhoere, lipeipi tsa rona li tiisa ts'ebetso e tšepahalang le ts'ebeletso e tšoarellang nako e telele.
Ho feta moo, liphaephe tsa rona tsa spiral seam welded li fana ka mefuta-futa e ikhethang.Ka bokhoni ba ho hlahisa liphaephe tse kholo tsa tšepe tse bophara, re ka finyella litlhoko tse sa tšoaneng tsa morero le litlhaloso.Hore na o hloka lipeipi bakeng sa nts'etsopele ea meralo ea motheo, merero ea kaho kapa lits'ebetso tsa indasteri, re na le bokhoni ba ho fihlela litlhoko tsa hau.
Ntle le matla le ho feto-fetoha ha maemo, liphaephe tsa rona tsa spiral seam welded li fana ka khanyetso e ntle ea kutu.Sena se bohlokoa haholo, haholo liindastering tseo hangata li pepesetsoang tikoloho e thata le lintho tse senyang.Liphaephe tsa rona li etselitsoe ho ema nako e telele, ho netefatsa ts'ebetso e nepahetseng esita le maemong a boima haholo.
Kwa Cangzhou Spiral Steel Pipes Group Co., Ltd., re ikemiseditse ho fana ka dihlahiswa tsa boleng le tshebeletso e babatsehang ya bareki.Mehato ea rona e tiileng ea taolo ea boleng le mekhoa e thata ea tlhahlobo e tiisa hore phala e 'ngoe le e 'ngoe ea seam e cheselitsoeng e tsoang fekthering e kopana le litekanyetso tse phahameng ka ho fetisisa tsa indasteri.Ho feta moo, sehlopha sa rona se inehetseng sa ts'ehetso ea bareki se teng ho u thusa ka lipotso leha e le life kapa matšoenyeho ao u ka bang le 'ona.
Ka kakaretso, lipeipi tsa rona tsa spiral seam welded ke tharollo e tšepahalang le e sebetsang bakeng sa lits'ebetso tse fapaneng.Ka mekhoa ea rona ea morao-rao ea tlhahiso le boitlamo ba ho sebetsa hantle, re fetohile barekisi ba tšepahalang indastering.Hore na o batla matla, ho feto-fetoha ha maemo kapa ho hanyetsa kutu, phala ea rona ea spiral seam welded ke khetho e nepahetseng.Khetha Cangzhou Spiral Steel Pipes Group Co., Ltd. bakeng sa litlhoko tsohle tsa hau tsa lipeipi tsa tšepe.