Hollow Karolo
Tlhaloso e Khutšoanyane:
A square hollow section (SHS) e bua ka mofuta oa profaele ea tšepe e nang le sekoere-karolo 'me e se nang letho kahare.E sebelisoa hangata indastering ea kaho le ea tlhahiso bakeng sa lits'ebetso tse fapaneng ka lebaka la sebopeho sa eona le botle ba eona.
Hollow Structural Section:
Karolo e sekoti e bua ka profil ea tšepe e nang le mokokotlo o se nang letho 'me e sebelisoa hangata lits'ebetsong tse fapaneng tsa meralo le boenjiniere.Lentsoe "hollow section" ke sehlopha se sephara se akaretsang libopeho tse fapaneng, ho kenyeletsoa lisekoere, khutlonnetsepa, selikalikoe, le libopeho tse ling tse tloaelehileng.Likarolo tsena li etselitsoe ho fana ka matla a sebopeho le botsitso ha hangata li fokotsa boima ba 'mele.Likarolo tse se nang letho hangata li entsoe ka tšepe e kang tšepe, aluminium, kapa li-alloys tse ling.Khetho ea thepa e itšetlehile ka lintlha tse kang litlhoko tsa matla, ho hanyetsa kutu, le se reretsoeng. kopo.
Litlhaloso tsa karolo ea tšepe ea hollow:
| Kereiti | 302,304,316,430 |
| Standard | ASTM A312, ASTM A213 |
| Bokaholimo | pickled e chesang e kolobisitsoeng, e bentšitsoeng |
| Thekenoloji | E chesehile, e cheselitsoeng, e Khaotsoeng e batang |
| Out Diameter | 1/8″~32″,6mm~830mm |
| Mofuta | Square Hollow Section (SHS), Rectangular Hollow Section (RHS), Circular Hollow Section (CHS) |
| Lintho tse tala | POSCO, Baosteel, TISCO, Saky Steel, Outokumpu |
Karolo ea Tyoes Of hollow:
Square Hollow Section(SHS):
A Square Hollow Section (SHS) ke profil ea tšepe e nang le sekoere-sekoere-karolo le ka hare ho sekoti.E sebelisoa haholo mesebetsing ea ho haha le ho etsa thepa, SHS e fana ka melemo e kang ho sebetsa ka matla ho isa boima ba 'mele, ho feto-fetoha ha sebopeho, le bonolo ba ho qapa.Sebopeho sa eona se hloekileng sa geometri le boholo bo fapaneng bo etsa hore e tšoanelehe bakeng sa liforeimi tsa kaho, meaho ea tšehetso, metjhini le lits'ebetso tse ling.Hangata SHS e entsoe ka thepa e kang tšepe kapa aluminium, e khomarela litekanyetso tsa indasteri, 'me e ka phekoloa bakeng sa ho hanyetsa kutu.
Square Hollow Section (SHS) DIMENSIONS/SIZES TABLE:
| Boholo ba mm | kg/m | Boholo ba mm | kg/m |
| 20 x 20 x 2.0 | 1.12 | 20 x 20 x 2.5 | 1.35 |
| 25 x 25 x 1.5 | 1.06 | 25 x 25 x 2.0 | 1.43 |
| 25 X 25 X 2.5 | 1.74 | 25 X 25 X 3.0 | 2.04 |
| 30 X 30 X 2.0 | 1.68 | 30 X 30 X 2.5 | 2.14 |
| 30 X 30 X 3.0 | 2.51 | 40 x 40 x 1.5 | 1.81 |
| 40 x 40 x 2.0 | 2.31 | 40 x 40 x 2.5 | 2.92 |
| 40 x 40 x 3.0 | 3.45 | 40 x 40 x 4.0 | 4.46 |
| 40 x 40 x 5.0 | 5.40 | 50 x 50 x 1.5 | 2.28 |
| 50 x 50 x 2.0 | 2.93 | 50 x 50 x 2.5 | 3.71 |
| 50 x 50 x 3.0 | 4.39 | 50 x 50 x 4.0 | 5.72 |
| 50 x 50 x 5.0 | 6.97 | 60 x 60 x 3.0 | 5.34 |
| 60 x 60 x 4.0 | 6.97 | 60 x 60 x 5.0 | 8.54 |
| 60 x 60 x 6.0 | 9.45 | 70 x 70 x 3.0 | 6.28 |
| 70 x 70 x 3.6 | 7.46 | 70 x 70 x 5.0 | 10.11 |
| 70 x 70 x 6.3 | 12.50 | 70 x 70 x 8 | 15.30 |
| 75 x 75 x 3.0 | 7.07 | 80 x 80 x 3.0 | 7.22 |
| 80 x 80 x 3.6 | 8.59 | 80 x 80 x 5.0 | 11.70 |
| 80 x 80 x 6.0 | 13.90 | 90 x 90 x 3.0 | 8.01 |
| 90 x 90 x 3.6 | 9.72 | 90 x 90 x 5.0 | 13.30 |
| 90 x 90 x 6.0 | 15.76 | 90 x 90 x 8.0 | 20.40 |
| 100 x 100 x 3.0 | 8.96 | 100 x 100 x 4.0 | 12.00 |
| 100 x 100 x 5.0 | 14.80 | 100 x 100 x 5.0 | 14.80 |
| 100 x 100 x 6.0 | 16.19 | 100 x 100 x 8.0 | 22.90 |
| 100 x 100 x 10 | 27.90 | 120 x 120 x 5 | 18.00 |
| 120 x 120 x 6.0 | 21.30 | 120 X 120 X 6.3 | 22.30 |
| 120 x 120 x 8.0 | 27.90 | 120 x 120 x 10 | 34.20 |
| 120 X 120 X 12 | 35.8 | 120 X 120 X 12,5 | 41.60 |
| 140 X 140 X 5.0 | 21.10 | 140 X 140 X 6.3 | 26.30 |
| 140 X 140 X 8 | 32.90 | 140 X 140 X 10 | 40.40 |
| 140 X 140 X 12,5 | 49.50 | 150 X 150 X 5.0 | 22.70 |
| 150 X 150 X 6.3 | 28.30 | 150 X 150 X 8.0 | 35.40 |
| 150 X 150 X 10 | 43.60 | 150 X 150 X 12,5 | 53.40 |
| 150 X 150 X 16 | 66.40 | 150 X 150 X 16 | 66.40 |
| 180 X 180 X 5 | 27.40 | 180 X 180 X 6.3 | 34.20 |
| 180 X 180 X 8 | 43.00 | 180 X 180 X 10 | 53.00 |
| 180 X 180 X 12,5 | 65.20 | 180 X 180 X 16 | 81.40 |
| 200 X 200 X 5 | 30.50 | 200 X 200 X 6 | 35.8 |
| 200 x 200 x 6.3 | 38.2 | 200 x 200 x 8 | 48.00 |
| 200 x 200 x 10 | 59.30 | 200 x 200 x 12.5 | 73.00 |
| 200 x 200 x 16 | 91.50 | 250 x 250 x 6.3 | 48.10 |
| 250 x 250 x 8 | 60.50 | 250 x 250 x 10 | 75.00 |
| 250 x 250 x 12.5 | 92.60 | 250 x 250 x 16 | 117.00 |
| 300 x 300 x 6.3 | 57.90 | 300 x 300 x 8 | 73.10 |
| 300 x 300 x 10 | 57.90 | 300 x 300 x 8 | 90.70 |
| 300 x 300 x 12.5 | 112.00 | 300 x 300 x 16 | 142.00 |
| 350 x 350 x 8 | 85.70 | 350 x 350 x 10 | 106.00 |
| 350 x 350 x 12.5 | 132.00 | 350 x 350 x 16 | 167.00 |
| 400 x 400 x 10 | 122.00 | 400 x 400 x 12 | 141.00 |
| 400 x 400 x 12.5mm | 152.00 | 400 x 400 x 16 | 192 |
Rectangular Hollow Section(RHS):
A Rectangular Hollow Section (RHS) ke profil ea tšepe e khetholloang ka karolo ea eona e khutlonnetsepa le bokahare ba eona bo se nang letho.RHS hangata e sebelisoa ho aha le ho etsa tlhahiso ka lebaka la sebopeho sa eona se sebetsang hantle le ho ikamahanya le maemo.Boemo bona bo fana ka matla ha bo ntse bo fokotsa boima ba 'mele, bo etsa hore bo tšoanelehe bakeng sa lits'ebetso tse fapaneng tse kang liforeimi tsa moaho, meaho ea tšehetso le likarolo tsa mochini.Ho tšoana le Square Hollow Sections (SHS), RHS hangata e etsoa ka thepa e kang tšepe kapa aluminium 'me e latela maemo a indasteri bakeng sa litekanyo le litlhaloso.Sebopeho sa eona sa khutlonnetsepa le boholo bo fapaneng bo fana ka maemo a fapaneng ho fihlela litlhoko tse ikhethang tsa boenjiniere.
Rectangular Hollow Section (RHS) DIMENSIONS/SIZES TAFOLE:
| Boholo ba mm | kg/m | Boholo ba mm | kg/m |
| 40 x 20 x 2.0 | 1.68 | 40 x 20 x 2.5 | 2.03 |
| 40 x 20 x 3.0 | 2.36 | 40 x 25 x 1.5 | 1.44 |
| 40 x 25 x 2.0 | 1.89 | 40 x 25 x 2.5 | 2.23 |
| 50 x 25 x 2.0 | 2.21 | 50 x 25 x 2.5 | 2.72 |
| 50 x 25 x 3.0 | 3.22 | 50 x 30 x 2.5 | 2.92 |
| 50 x 30 x 3.0 | 3.45 | 50 x 30 x 4.0 | 4.46 |
| 50 x 40 x 3.0 | 3.77 | 60 x 40 x 2.0 | 2.93 |
| 60 x 40 x 2.5 | 3.71 | 60 x 40 x 3.0 | 4.39 |
| 60 x 40 x 4.0 | 5.72 | 70 x 50 x 2 | 3.56 |
| 70 x 50 x 2.5 | 4.39 | 70 x 50 x 3.0 | 5.19 |
| 70 x 50 x 4.0 | 6.71 | 80 x 40 x 2.5 | 4.26 |
| 80 x 40 x 3.0 | 5.34 | 80 x 40 x 4.0 | 6.97 |
| 80 x 40 x 5.0 | 8.54 | 80 x 50 x 3.0 | 5.66 |
| 80 x 50 x 4.0 | 7.34 | 90 x 50 x 3.0 | 6.28 |
| 90 x 50 x 3.6 | 7.46 | 90 x 50 x 5.0 | 10.11 |
| 100 x 50 x 2.5 | 5.63 | 100 x 50 x 3.0 | 6.75 |
| 100 x 50 x 4.0 | 8.86 | 100 x 50 x 5.0 | 10.90 |
| 100 x 60 x 3.0 | 7.22 | 100 x 60 x 3.6 | 8.59 |
| 100 x 60 x 5.0 | 11.70 | 120 x 80 x 2.5 | 7.65 |
| 120 x 80 x 3.0 | 9.03 | 120 x 80 x 4.0 | 12.00 |
| 120 x 80 x 5.0 | 14.80 | 120 x 80 x 6.0 | 17.60 |
| 120 x 80 x 8.0 | 22.9 | 150 x 100 x 5.0 | 18.70 |
| 150 x 100 x 6.0 | 22.30 | 150 x 100 x 8.0 | 29.10 |
| 150 x 100 x 10.0 | 35.70 | 160 x 80 x 5.0 | 18.00 |
| 160 x 80 x 6.0 | 21.30 | 160 x 80 x 5.0 | 27.90 |
| 200 x 100 x 5.0 | 22.70 | 200 x 100 x 6.0 | 27.00 |
| 200 x 100 x 8.0 | 35.4 | 200 x 100 x 10.0 | 43.60 |
| 250 x 150 x 5.0 | 30.5 | 250 x 150 x 6.0 | 38.2 |
| 250 x 150 x 8.0 | 48.0 | 250 x 150 x 10 | 59.3 |
| 300 x 200 x 6.0 | 48.10 | 300 x 200 x 8.0 | 60.50 |
| 300 x 200 x 10.0 | 75.00 | 400 x 200 x 8.0 | 73.10 |
| 400 x 200 x 10.0 | 90.70 | 400 x 200 x 16 | 142.00 |
Circcular Hollow Sections(CHS):
A Circular Hollow Section (CHS) ke profil ea tšepe e khetholloang ka likarolo tsa eona tse chitja le bokahare bo se nang letho.CHS e sebelisoa haholo lits'ebetsong tsa kaho le tsa boenjiniere, e fana ka melemo e joalo ka matla a sebopeho, ho tiea ha torsional, le bonolo ba ho etsa masela.Boemo bona hangata bo sebelisoa maemong ao ho ona sebopeho sa selikalikoe se leng molemo, joalo ka likholomo, lipalo, kapa likarolo tsa sebopeho tse hlokang kabo ea mojaro o lekanang.
RCircular Hollow Section (CHS) DIMENSIONS/SIZES TAFOLE:
| Lebitso la Bore mm | Ka ntle bophara ba mm | Botenya mm | Boima ba kg/m |
| 15 | 21.3 | 2.00 | 0.95 |
| 2.60 | 1.21 | ||
| 3.20 | 1.44 | ||
| 20 | 26.9 | 2.30 | 1.38 |
| 2.60 | 1.56 | ||
| 3.20 | 1.87 | ||
| 25 | 33.7 | 2.60 | 1.98 |
| 3.20 | 0.24 | ||
| 4.00 | 2.93 | ||
| 32 | 42.4 | 2.60 | 2.54 |
| 3.20 | 3.01 | ||
| 4.00 | 3.79 | ||
| 40 | 48.3 | 2.90 | 3.23 |
| 3.20 | 3.56 | ||
| 4.00 | 4.37 | ||
| 50 | 60.3 | 2.90 | 4.08 |
| 3.60 | 5.03 | ||
| 5.00 | 6.19 | ||
| 65 | 76.1 | 3.20 | 5.71 |
| 3.60 | 6.42 | ||
| 4.50 | 7.93 | ||
| 80 | 88.9 | 3.20 | 6.72 |
| 4.00 | 8.36 | ||
| 4.80 | 9.90 | ||
| 100 | 114.3 | 3.60 | 9.75 |
| 4.50 | 12.20 | ||
| 5.40 | 14.50 | ||
| 125 | 139.7 | 4.50 | 15.00 |
| 4.80 | 15.90 | ||
| 5.40 | 17.90 | ||
| 150 | 165.1 | 4.50 | 17.80 |
| 4.80 | 18.90 | ||
| 5.40 | 21.30 | ||
| 150 | 168.3 | 5.00 | 20.1 |
| 6.3 | 25.2 | ||
| 8.00 | 31.6 | ||
| 10.00 | 39 | ||
| 12.5 | 48 | ||
| 200 | 219.1 | 4.80 | 25.38 |
| 6.00 | 31.51 | ||
| 8.00 | 41.67 | ||
| 10.00 | 51.59 | ||
| 250 | 273 | 6.00 | 39.51 |
| 8.00 | 52.30 | ||
| 10.00 | 64.59 | ||
| 300 | 323.9 | 6.30 | 49.36 |
| 8.00 | 62.35 | ||
| 10.00 | 77.44 |
Likarolo le Melemo:
•Moqapi oa likarolo tse sekoti o lumella ho boloka matla a mohaho ha o ntse o fokotsa boima ba 'mele.Moqapi ona o nolofalletsa likarolo tse sekoti ho fana ka matla a phahameng a mohaho ha o jara meroalo, e loketseng merero eo ho eona ho nahanoang ka boima ba' mele.
•Likarolo tse sekoti, ka ho etsa li-voids ka har'a karolo ea sefapano, li ka sebelisa thepa ka katleho le ho fokotsa boima bo sa hlokahaleng.Moqapi ona oa moralo o thusa ho fokotsa litšenyehelo tsa thepa ha o ntse o boloka matla a lekaneng a mohaho.
•Ka lebaka la sebopeho sa bona se koaletsoeng, likarolo tse sekoti li bonts'a botsitso bo botle ba ho sotha le ho kobeha.Thepa ena e tiisa ts'ebetso e tsitsitseng ha e tobane le meroalo e sothehileng kapa e kobehang.
•Likarolo tse sekoti li ka etsoa ka mekhoa e kang ho itšeha le ho cheselletsa, 'me li bonolo ho li kopanya.Ts'ebetso ena e bonolo ea tlhahiso le ho hokahanya e thusa ho nolofatsa kaho le tlhahiso, ho ntlafatsa katleho.
•Likarolo tse sekoti ha li kenyeletse feela libopeho tsa lisekoere, tse khutlonnetsepa, le selikalikoe empa hape le libopeho tse fapaneng tse tloaelehileng tse thehiloeng litlhoko tse itseng.Ho feto-fetoha hona ho etsa hore likarolo tse sekoti li tšoanelehe bakeng sa mefuta e mengata ea boenjiniere le lisebelisoa tsa tlhahiso.
•Likarolo tse sekoti hangata li entsoe ka litšepe tse kang tšepe, aluminium, le li-alloys tse fapa-fapaneng. Phapang ena e lumella likarolo tse sekoti ho kopana le litšobotsi tse hlokahalang bakeng sa merero e fapaneng ea boenjiniere.
Sebopeho sa Lik'hemik'hale Karolong e batang e entsoeng ka sekoti:
| Kereiti | C | Mn | P | S | Si | Cr | Ni | Mo |
| 301 | 0.15 | 2.0 | 0.045 | 0.030 | 1.0 | 16-18.0 | 6.0-8.0 | - |
| 302 | 0.15 | 2.0 | 0.045 | 0.030 | 1.0 | 17-19 | 8.0-10.0 | - |
| 304 | 0.15 | 2.0 | 0.045 | 0.030 | 1.0 | 18.0-20.0 | 8.0-10.5 | - |
| 304L | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 18-20.0 | 9-13.5 | - |
| 316 | 0.045 | 2.0 | 0.045 | 0.030 | 1.0 | 10-18.0 | 10-14.0 | 2.0-3.0 |
| 316L | 0.030 | 2.0 | 0.045 | 0.030 | 1.0 | 16-18.0 | 12-15.0 | 2.0-3.0 |
| 430 | 0.12 | 1.0 | 0.040 | 0.030 | 0.75 | 16-18.0 | 0.60 | - |
Thepa ea mochini :
| Kereiti | Tensile Strength ksi[MPa] | Yiled Strengtu ksi[MPa] |
| 304 | 75[515] | 30[205] |
| 304L | 70[485] | 25[170] |
| 316 | 75[515] | 30[205] |
| 316L | 70[485] | 25[170] |
Tataiso ea Lipotso tsa Karolo e se nang letho :
Ke Hobane'ng ha U re Khetha?
•U ka fumana thepa e phethahetseng ho latela tlhoko ea hau bonyane theko e ka khonehang.
•Re boetse re fana ka Reworks, FOB, CFR, CIF, le litheko tsa ho fana ka ntlo le ntlo.Re fana ka tlhahiso ea hore u etse tumellano ea ho tsamaisa thepa e tla u baballa haholo.
•Thepa eo re fanang ka eona e ka netefatsoa ka botlalo, ho tloha ho setifikeiti sa tlhahlobo ea thepa e tala ho isa polelong ea ho qetela. (Litlaleho li tla hlaha ho latela tlhoko)
•Re netefatsa hore re tla fana ka karabo nakong ea lihora tse 24 (hangata ka hora e tšoanang)
•Fana ka tlaleho ea SGS TUV.
•Re inehetse ka ho feletseng ho bareki ba rona.Haeba ho ke ke ha khoneha ho finyella litlhoko tsa hau ka mor'a ho hlahloba likhetho tsohle, re ke ke ra u khelosa ka ho etsa litšepiso tsa bohata tse tla theha likamano tse ntle tsa bareki.
•Fana ka tšebeletso ea sebaka se le seng.
karolo e holo ke eng?
Karolo e sekoti e bolela profil ea tšepe e nang le bokahare bo se nang letho, e tlang ka libopeho tse kang lisekoere, khutlonnetsepa, selikalikoe, kapa meralo e tloaelehileng.Ka tloaelo ho entsoe ka tšepe, aluminium, kapa lialloys, likarolo tse sekoti li sebelisoa haholo ho aha le ho etsa tlhahiso.Li fana ka matla ka boima bo fokolang, kabo ea thepa e sebetsang hantle, le ho feto-fetoha ha maemo lits'ebetsong tse joalo ka liforeimi tsa moaho, likarolo tsa mochini, le tse ling.Likarolo tse se nang letho li khona ho ikamahanya le maemo, li entsoe habonolo, 'me hangata li tloaeleha ho ipapisitse le boholo le litlhaloso, e leng se etsang hore e be tsa bohlokoa mererong e fapaneng ea boenjiniere le ea meralo.
Li-tubes tse sekoti tse nang le sefapano se chitja ke eng?
Li-tubes tse sekoti tse nang le li-circular cross-section, tseo hangata li tsejoang e le circular hollow sections (CHS), ke mehaho ea cylindrical e nang le ka hare e se nang letho.Hangata li entsoe ka thepa e kang tšepe kapa aluminium, li-tubes tsena li sebelisoa haholo kahong le tlhahisong.Sebopeho sa bona se chitja se fana ka kabo e tšoanang ea khatello ea maikutlo, e etsa hore e tšoanelehe bakeng sa lits'ebetso tse kang litšiea, lipalo le litšehetso tsa meralo.Li-tubes tse selikalikoe li fana ka mokhoa o motle oa ho tsitsa le ho kobeha, li etsoa habonolo ka ho itšeha le ho cheselletsa, 'me hangata li khomarela litekanyo tse tloaelehileng bakeng sa ho lumellana le ho lumellana.Ka ho tenyetseha le maemo, li-tubes tsena li bapala karolo ea bohlokoa liindastering tse fapaneng, ho kenyeletsoa kaho le mechini.
Phapano ke efe lipakeng tsa karolo e holo le I beam?
Likarolo tse se nang letho ke liprofaele tsa tšepe tse nang le bokahare bo se nang letho, tse fumanehang ka libopeho tse kang lisekoere, khutlonnetsepa, kapa selikalikoe, tse sebelisoang haholo ho aha le ho etsa tlhahiso.Ba fumana matla ho tsoa mathōkong a ka ntle a karolo.Ke-mabala, ka lehlakoreng le leng, e na le sefapano sa sebopeho sa I se nang le flange e tiileng le websaete.E sebelisoa haholo ha ho hahoa, li-I-beams li aba boima ka bolelele ba mohaho, li fana ka matla hohle.Khetho pakeng tsa bona e itšetlehile ka litlhoko tse khethehileng tsa moralo le mehopolo ea moralo.
Bareki ba Rona
Maikutlo a tsoang ho bareki ba rona
Likarolo tse sekoti ka tloaelo li entsoe ka litšepe tse kang tšepe, aluminium, le lialloys tse fapa-fapaneng.Ho fapana hona ho lumella likarolo tse sekoti ho kopana le litšobotsi tse hlokahalang bakeng sa merero e fapaneng ea boenjiniere.Libopeho tsa geometri tsa likarolo tse sekoti hangata li na le boipiletso bo botle ho feta likarolo tse tiileng, tse li etsang. e loketseng merero eo ho eona ho nahanoang ka moralo le botle bo botle.Ka lebaka la ts'ebeliso ea tsona e sebetsang ea lisebelisoa, likarolo tse sekoti li ka fokotsa litšila tsa lisebelisoa, tsa ikamahanya le mekhoa e se nang tikoloho.
Ho paka:
1. Ho paka ke habohlokoa haholo-holo tabeng ea thepa ea machaba eo thepa e fetang ka litsela tse fapa-fapaneng ho fihla moo e eang teng, kahoo re amehile haholo ka ho paka.
2. Saky Steel e paka thepa ea rona ka mekhoa e mengata ho latela lihlahisoa.Re paka lihlahisoa tsa rona ka mekhoa e mengata, joalo ka,
