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Ts'ebetsong ea polokelo ea oli e tala le lipalangoang, ka lebaka la sebabole se phahameng ka har'a oli e tala, tšepe e tloaelehileng e pepesehela tikoloho e metsi ea H2S ka nako e telele, e atisang ho ba le mapetsong a bakoang ke hydrogen le hydrogen sulfide stress corrosion cracking. kotsi e kholo ea polokeho bakeng sa tlhahiso e bolokehileng.
E le ho arabela mathateng a ka holimo, tšepe e hanyetsanang le hydrogen e 'nile ea sebelisoa haholo ho petrochemical ea malapeng e kholo, matla a mocheso, tora ea desulfurization le merero e meng ka lebaka la ho hanyetsa ha eona ho phunyeha ha hydrogen-induced cracking le sulfide stress corrosion cracking.Limaraka tse tloaelehileng ke 16MnR (HIC), Q345/Q355 (HIC), API 5L X52, ASTM A516 Gr.70 (HIC).
Hajoale, litsi tsa tšepe tsa Machaena li phethile tlhahiso e ikemetseng ea tšepe e hananang le haedrojene, 'me ka katleho e nkela lihlahisoa tse tsoang kantle ho naha sebaka.Ka nts'etsopele ea butle-butle ea lisebelisoa tse kholo tsa petrochemical, molemong oa ho ntlafatsa ts'ebetso ea tlhahiso, 'maraka o hloka ka potlako lisebelisoa tsa tjheseletsa tse sebetsang hantle haholo bakeng sa tlhahiso ea welding.Khamphani ea rona e phatlalalitse terata e kenelletseng ea arc welding le flux e tsamaellanang le tšepe ea motheo e hanyetsanang hantle le ho phatloha ho bakoang ke hydrogen le sulfide stress corrosion cracking.
Thepa ea 'mele le ea lik'hemik'hale ea terata e sa keneleng metsi ea hydrogen e kentsoeng ka metsing ea arc GWL-W10KHMSHA e nang le flux GXL-121 e ntlafalitsoeng ke k'hamphani ea rona e tjena:
tlhahiso ea lihlahisoa
| Sehlopha | Lebitso la sehlahisoa | Melao e lumellana |
| Wilding terata | GWL-W10KHMSHA | AWS A5.17 EH10K GB/T 5293 SU10 |
| Flux | GB/T 36037 SA FB1 ISO 14174 SA FB1 | |
| Likaroloana | ||
| 1.Mohala oa ho tjheseletsa arc o kentsoeng ka tlas'a metsi le flux bakeng sa tšepe ea 490Mpa ea sehlopha sa hydrogen-resistant; 2. Sebopeho sa terata se hloekile, 'me litaba tse sa hloekang tsa PS li tlaase 3. Fluorine-alkali flux, litšila tse fokolang, pH e loketseng, ho nahanela manufacturability le thepa ea mochine. Tlhahlobo ea 4.HIC SSC e ka finyella litlhoko | ||
Sebopeho sa Lik'hemik'hale tsa Welding Wire
| Sehlopha/Nmae | GWL-W10KHMSHA | |
| Sebopeho sa Lik'hemik'hale(wt %) | C | 0.045 |
| Mn | 1.05 | |
| Si | 0.40 | |
| P | 0.008 | |
| S | 0.003 | |
| Cu | 0.008 | |
| Mo | 0.20 | |
Maemo a tloaelehileng a thepa ea mochini ea tšepe e behiloeng
| Sehlopha/Nmae | GWL-W10KHMSHA GXL-121 | |
| Boemo ba mohlala | AW | 620℃*12h |
| Yield Strength(Mpa) | 455 | 425 |
| tensile strength(Mpa) | 535 | 510 |
| Elongation(%) | 30.0 | 29.5 |
| -20 ℃ tšusumetso KV2(J) | 280 | 290 |
| HB | 180 | 170 |
Mohala oa tšepe o sa keneleng hydrogen o kentsoeng ka metsing oa arc welding GWL-W10KHMSHA o kopantsoeng le flux GXL-121 o ntlafalitsoeng ke k'hamphani ea rona o na le ts'ebetso e ntle haholo ea ho tjheseletsa.Ts'ebetso ea HIC le SSC e fetile tlhahlobo ea motho oa boraro.Litšoantšo tsa welding le litlaleho tsa tlhahlobo li bontšitsoe setšoantšong se ka tlase:
Scrubber
Setšoantšo sa ts'ebetso ea welding ka groove
Ningbo Honest Metal Materials Co., Ltd. Lisebelisoa tsa tšepe tse sa keneleng Hydrogen li kenyelletsa terata e nang le phofo ea tšepe, elektrode ea letsoho, le terata e tiileng, e nang le mefuta e mengata le ts'ebetso e ntle haholo, e ka sebelisoang ka mekhoa e fapaneng ea ho tjheseletsa le tlasa maemo a fapaneng a ho sebetsa.Rea u amohela ho reka.
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Nako ea poso: Feb-14-2023