Tlhahlobo ea Papiso ea Litšepe tsa Q355D le EN 10297 E355N

Haeba o batla ho tseba tlhahisoleseding e batsi, jwalo ka khotheishene, dihlahiswa, ditharollo, jj., pkhirisoikopanye le rona inthaneteng.

Tianjin Sanon Steel Pipe Co., Ltd. ke morekisi oa thepa. Feme ea rona ea thepa e Motseng oa Cangzhou, Profinseng ea Hebei. Mehloli ea rona e meholo ea thepa keliphaephe tsa boiler, 'me thepa e emelang keASTM A335 P5/P11/P91/P92,ASME SA-106/SA-106MGR.B,GB/T 3087-200810#/20#. Lisebelisoa tse emelang liphaephe tsa liphaephe keAPI 5L,API 5CT, thepa e emelang liphaephe tsa peterole tse petsohangGB/T 9948ke 15MoG/12CrMoVGGB/T 6479-2013 e emela thepa 10#/20#, liphaephe tsa phapanyetsano ea mocheso SA179/SA210/SA192, jj., liphaephe tsa mechini GB/T 8162 li emela thepa 10#/20#/Q345/42CrMo, EN10210 e emela thepa S355JOH/S355J2H, liphaephe tsa silindara ea khase GB1 8248, li emela thepa 34CrMo4/30CrMo.

Lefapheng la thepa ea tšepe, litsamaiso tse fapaneng tse tloaelehileng li tsamaellana le limaraka tse fapaneng le litlhoko tsa ts'ebetso. Q355D le EN 10297 E355N ke litšepe tse peli tse tloaelehileng tsa meaho tse nang le matla a phahameng tse sebelisoang haholo tlhahisong ea mechini, meaho ea meaho le likarolo tsa boenjiniere. Leha li arolelana ho tšoana ka sebopeho sa lik'hemik'hale le sehlopha sa matla, li simoloha litsamaisong tse fapaneng tse tloaelehileng, e leng se lebisang liphapang litlhokong tsa tekheniki, lisekoere tsa ts'ebeliso le lintlha tsa ts'ebetso. Sengoloa sena se bapisa lisebelisoa tsena tse peli ka mokhoa o hlophisehileng ho thusa basebelisi ho etsa liqeto tse nang le tsebo ho latela litlhoko tse sebetsang.

1. Mekhoa e Tloaelehileng le Meelelo ea Sehlopha

Q355D: Sehlopha sena ke sa maemo a naha a Chaena (GB/T 1591-2018) bakeng sa ditshipi tsa meaho tse nang le motswako o tlase tse matla haholo. "Q" e bontsha matla a tlhahiso, "355" e bontsha matla a tlhahiso a bonyane a 355 MPa, mme "D" e emela sehlopha sa boleng, e leng se bontshang ho tiya ha tshusumetso ho -20°C.

EN 10297 E355N: Sehlopha sena ke karolo ea maemo a Europe (EN 10297-1:2003) bakeng sa lipeipi tsa tšepe tse se nang mohele tse chitja kapa tse sa chitja. "E355" e bolela matla a bonyane a tlhahiso ea 355 MPa, 'me "N" e bontša ho tlisoa boemong bo tloaelehileng, ho netefatsa sebopeho se senyenyane le thepa ka kalafo ea ho lokisa.

2. Papiso ea Sebopeho sa Lik'hemik'hale

Litšepe ka bobeli li entsoe haholo-holo ka carbon (C), silicon (Si), le manganese (Mn), ka likarolo tse kopantsoeng tse nyenyane ho eketsa matla le ho tiea. Ka kakaretso, mefuta ea tsona ea metsoako e tšoana, empa meeli e itseng e fapana hanyane:

Q355D: E na le dikahare tse tlase tsa khabone (hangata ≤0.18%) le taolo e tiileng ya ditshila tsa sebabole (S) le phosphorus (P) ho ntlafatsa bokgoni ba ho weld le ho tiya ha mocheso o tlase. Dikarolo tse kopanyang tse kang chromium (Cr) le nickel (Ni) di tlase haholo.

E355N: E ka ba le dikahare tse hodimo hanyane tsa khabone (hangata ≤0.20%) mme e ka kenyeletsa dikarolo tse nyane tse kang koporo (Cu). Maemo a Yuropa a totobatsa motswako o leka-lekaneng ho netefatsa thepa e felletseng kamora ho tloaeleha.

3. Papiso ea Thepa ea Mekaniki

Ka bobeli li bontša matla a tlhahiso ea 355 MPa, empa litšobotsi tse ling lia fapana:

Ho Tiea ha Tšusumetso: Sehlopha sa "D" sa Q355D se hloka matla a tshusumetso a ≥34 J ho -20°C, e leng se etsang hore e lokele dibaka tse nang le mocheso o tlase. Hangata E355N ha e hlalose boleng ba tshusumetso ya mocheso o tlase, empa ho tloaeleha ho fana ka ho tiea ho hotle ha tikoloho.

Matla a ho Thanya: Q355D ka kakaretso e tloha ho 470-630 MPa, ha E355N hangata e le 490-630 MPa, ka sebaka se tiileng haholo bakeng sa sa morao.

Boemo ba ho Romela: Q355D hangata e romelwa maemong a ho phutholoha ka ho chesang kapa a tloaelehileng; E355N e romelwa ka ho hlaka e le maemong a tloaelehileng, ho netefatsa sebopeho se ts'oanang se loketseng ts'ebetso e tsoelang pele.

4. Masimo a Kopo

Q355D: E sebelisoa haholo mehahong ea kaho, marokhong, tlhahisong ea likoloi, le lits'ebetsong tse ling Chaena le limmarakeng tsa machaba, haholo-holo bakeng sa likarolo tse tlas'a meroalo e fetohang maemong a mocheso o tlase.

E355N: E sebelisoa haholo-holo boenjiniere ba mechini le likarolo tsa sebopeho tlas'a maemo a Europe, joalo ka lihlahisoa tsa tube tse se nang sekoli tsa boleng bo holimo joalo ka li-cylinder tsa hydraulic le matsoho a bearing, tse totobatsang bokhoni ba ho sebetsa le botsitso.

5. Litlhahiso tsa Khetho

Khetha Q355D ha: Diporojeke di hloka ho tiea ha mocheso o tlase ho netefaditsweng; ho latela maemo a Sechaena kapa ditsamaiso tse tsamaellanang le GB ho a hlokahala.

Khetha E355N ha: E shebane le mebaraka ea Europe kapa bareki ba hlokang maemo a EN; likarolo li hloka maemo a tloaelehileng ho netefatsa hore mechini e sebetsa hantle.

Ka bokhutšoanyane, leha Q355D le EN 10297 E355N li tšoana ka matla, li tsoa litsamaisong tse fapaneng tse tloaelehileng 'me li totobatsa litšobotsi tse fapaneng tsa ts'ebetso. Basebelisi ba lokela ho nahana ka maemo a projeke, maemo a tikoloho, le litlhoko tsa ts'ebetso ha ba khetha pakeng tsa tsona. Litsebi tsa lisebelisoa tsa boeletsi li eletsoa ho netefatsa hore li latela melao le ntlafatso.

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Nako ea poso: Hlakola-06-2026

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