Pipe ea sebopeho e ikhethileng e nang le sehlopha sa Q345C/D/E le kalafo ea bokaholimo ba specail
1. Tlhaloso
Karolo e sekoti e sebelisoa haholo-holo mohahong oa tšepe le indasteri ea mechine, empa sebopeho se tloaelehileng le kereiti li ke ke tsa khotsofatsa sebaka se itseng se khethehileng;
E le ho tsamaisana le tlhoko e ikhethang le ho feta, k'hamphani ea rona e itokisetsa ho fana ka kopo e potlakileng joalo ka tse latelang:
1) sebopeho se ikhethileng joalo ka Oval tube, tšupu ea taemane, tšupu ea bohobe, tšupu e nang le sebopeho se ikhethileng
2) sehlopha se secha joalo ka Q345B, Q345C, Q345D, Q355B, Q355C, Q355D, SS400, 304, 316, 310, 16Mo3, AL-6Xn joalo-joalo.
3) Bokaholimo bo joalo ka epoxy primer, ho thunya le tse ling
Q345A, Q345B, Q345C, Q345D, Q345E ke liphapang tsa limaraka tsa boleng, tse ntseng li eketseha ho tloha ho A ho ea ho E, haholo-holo ka lebaka la phapang.
ka tšusumetso mocheso bakoang ke diteng tsa microelements tse kang phosphorus le sebabole, e leng se bolelang hore tšusumetso mocheso ke
fapaneng Le tube lik'hemik'hale sebopeho mechine thepa.
Sehlopha sa Q345A ha se na tšusumetso; sehlopha sa Q345B ke ho tsosoa ke likhato tse 20 mocheso oa kamore; mophato wa Q345C ke 0 degree shock;
sehlopha sa Q345D ke -20 degree shock; sehlopha sa Q345E ke -40 degree shock. Lithempereichara tse fapaneng tsa ts'oaetso, boleng ba ho ts'oha le bona bo teng
fapaneng.
Matla a tlhahiso ea Q ha a ka tlase ho 345Mp. Sehlopha sa boleng se bonts'a palo ea lintho tse sa hloekang (khabone, manganese, silicon, sebabole,
phosphorus. Ke ntho e sa hloekang ka har'a tšepe), 'me ha A, B, C, le D e ntse e tsoela pele, ho fokotseha ha litšila ho fokotseha.
2. Sebopeho sa Mophato oa Lik'hemik'hale
| Kereiti | Sebopeho sa Lik'hemik'hale (%) | ||||
| C | Si | Mn | P | S | |
| Q235B | ≤0.20 | ≤0.35 | ≤1.40 | ≤0.045 | ≤0.045 |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 |
3. Thepa ea Mechini
| Kereiti | Thepa ea Mechini | ||
| Matla a Kotulo (N/mm2)/(Mpa) | Matla a ho Tsitsisa (N/mm2)/(Mpa) | Elongtation (%) | |
| Q235B | ≥235 | 370-500 | ≥26 |
| Q345B | 345 | 470-630 | ≥20 |
| Q345C | 345 | 470-630 | ≥21 |
| Q345D | 345 | 470-630 | ≥21 |
4. Phekolo ea holim'a metsi:
Primer e nang le zinki e ngata ea epoxy
Ho thunya:
5. Kopo ea Q345 C/D/E:
1) Q345C seamless pipe e sebelisoa haholo mekhatlong ea mechine, lisebelisoa tsa hydraulic, tse sebelisoang haholo lik'hemik'hale, peterole, masela,
bongaka, lijo, mechini le liindasteri tse ling, haholo-holo tse sebelisoang liphaepheng tsa liindasteri tse thibelang ho bola, likarolo tsa sebopeho le likarolo.
2) Pipe ea tšepe e se nang seam Q345D e sebelisoa haholo likepeng, li-boilers, likepe tsa khatello, litanka tsa polokelo ea oli, marokho, lisebelisoa tsa seteishene sa matla,
mecheng ea ho phahamisa le ea lipalangoang le likarolo tse ling tse nang le meroalo e phahameng e cheselitsoeng.
3) Li-tubes tsa cryogenic tsa Q345E li sebelisoa khatellong e phahameng le liphaephe tse phahameng tsa mocheso le lisebelisoa tse kang limela tsa motlakase,
lifeme tsa matla a nyutlelie, liboiler tse nang le khatello e phahameng, li-superheaters tse phahameng le li-reheaters. Q345E cryogenic tube e na le
karolo e sekoti 'me e sebelisoa haholo e le phala ea ho tsamaisa maro, joalo ka liphaephe tsa ho tsamaisa oli, khase ea tlhaho, khase, metsi.
le lisebelisoa tse itseng tse tiileng.
6. Likarolo tse ling tse ikhethileng:
5. Kopo ea Q345 C/D/E:
Q345D phala ea tšepe e se nang sekoli, phala ea Q345D e se nang moroalo, phala ea tšepe ea Q345D, phala ea tšepe ea Q345E e se nang seamless, phala ea tšepe e se nang seam bakeng sa holimo.
lisebelisoa tsa manyolo a khatello, phala ea tšepe ea mocheso o tlase bakeng sa limela tsa matla, limela tsa lik'hemik'hale le li-boilers.
