Khoasolla chate e felletseng ea boholo ba I Beam!
Setifikeiti sa Teko sa ASTM A992 Kereiti ea 50 ea Tšepe ea I‑Beam e Chesang e nang le Sebopeho sa S se Tloaelehileng sa Amerika sa I‑Beam e nang le Mill
Ea ronaASTM A992 Kereiti ea 50 ea Tšepe I-Beam is Sebōpeho se chesang sa I-Beam sa Amerika se phutholohileng ka sebopeho sa Se reretsoeng ho sebelisoa lits'ebetsong tsa meaho tse hlokang matla a phahameng, mamello e tiileng, le ts'ebetso e tšepahalang ea ho jara mojaro.
Ho ikamahanya leSehlopha sa A992, lehlaseli lena le loketse ho haha liforeimi tsa meaho, marokho, lifeme tsa indasteri, matlo a polokelo le meaho e ts'oanang ea tšepe e boima.Setifikeiti sa Teko ea Mill (MTC) e ka fanoa ho tšehetsa lintlha tsa boleng ba thepa, tlhahlobo ea lik'hemik'hale, thepa ea mechini le liphetho tsa liteko tsa tlhahlobo.
| Ntho | Tlhaloso |
| Sehlahisoa | ASTM A992 Kereiti ea 50 ea Tšepe I-Beam |
| Sebopeho | Sebōpeho sa S / I-Beam e Tloaelehileng ea Amerika |
| E tloaelehileng | ASTM A992 |
| Sehlopha | Sehlopha sa 50 |
| Tlhahiso | E Chesang e Phutholohileng |
| Thepa | Tšepe ea Khabone ea Meaho |
| Bokaholimo | Botsho / Qetello ea Mill |
| Bolelele | E tloaelehileng kapa e etselitsoeng motho ka mong |
| Setifikeiti | Setifikeiti sa Teko ea Mill (MTC) |
| Tlhahlobo | Tlhahlobo ea Mill / Tlhahlobo ea Mokha oa Boraro |
| Ho sebetsa | Ho seha, ho tjheka, ho tjheseletsa le ho etsa thepa e ikgethileng |
Sebopeho sa Lik'hemik'hale
| Ntho | C | Mn | P | S | Si | V | Cb/Nb | Ni | Cr | Mo | Cu |
| A992 | ≤0.23% | 0.50–1.60% | ≤0.035% | ≤0.045% | ≤0.40% | ≤0.15% | ≤0.05% | ≤0.45% | ≤0.35% | ≤0.20% | ≤0.60% |
Matlotlo a Mekaniki
| Ntho | Matla a Tekanyo | Matla a tšepe | Ho lelefatsa (200 mm) | Ho lelefatsa (50 mm) | Karolelano ea ho Tenyetseha | Modulus ea Elasticity |
| A992 | ≥345 MPa (50 ksi) | 450–620 MPa (65–90 ksi) | ≥18% | ≥21% | ≤0.85 | Hoo e ka bang 200 GPa |
Hlokomela:Meeli e itseng ea lik'hemik'hale bakeng sa A992 e ka fapana ho latela botenya ba sehlahisoa, mofuta oa A992, le mokhoa oa phepelo. MTC ea semmuso e lokela ho ipapisa le data ea 'nete ea sehlopha sa sebōpi.
| Tlhophiso | Litekanyo | Liparamente tse sa fetoheng | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Motsotso oa Bofokoli | Modulus ea Karolo e Tenyetsehang | ||||||||
| Moemphera (ka x lb/ft) | Botebo - h - (ka hare) | Bophara - w - (ka hare) | Botenya ba webo - s - (ka hare) | Sebaka sa Karolo (ka hare ho2) | Boima ba 'mele (lbf/ft) | Ix (ka hare ho4) | Iy (ka hare ho4) | Sx (ka hare ho3) | Sy (ka hare ho3) |
| S 24 x 121 | 24.5 | 8.050 | 0.800 | 35.6 | 121 | 3160 | 83.3 | 258 | 20.7 |
| S 24×106 | 24.5 | 7.780 | 0.620 | 31.2 | 106 | 2940 | 77.1 | 240 | 19.6 |
| S 24×100 | 24 | 7.425 | 0.745 | 29.3 | 100 | 2390 | 47.7 | 199 | 13.2 |
| S 24 x 90 | 24 | 7.125 | 0.625 | 26.5 | 90 | 2250 | 44.9 | 187 | 12.6 |
| S 24 x 80 | 24 | 7.000 | 0.500 | 23.5 | 80 | 2100 | 42.2 | 175 | 12.1 |
| S 20 x 96 | 20.3 | 7.200 | 0.800 | 28.2 | 96 | 1670 | 50.2 | 165 | 13.9 |
| S 20 x 86 | 20.3 | 7.060 | 0.660 | 25.3 | 86 | 1580 | 46.8 | 155 | 13.3 |
| S 20 x 75 | 20 | 6.385 | 0.635 | 22.0 | 75 | 1280 | 29.8 | 128 | 9.32 |
| S 20 x 66 | 20 | 6.255 | 0.505 | 19.4 | 66 | 1190 | 27.7 | 119 | 8.85 |
| S 18 x 70 | 18 | 6.251 | 0.711 | 20.6 | 70 | 926 | 24.1 | 103 | 7.72 |
| S 18 x 54.7 | 18 | 6.001 | 0.461 | 16.1 | 54.7 | 804 | 20.8 | 89.4 | 6.94 |
| S 15 x 50 | 15 | 5.640 | 0.550 | 14.7 | 50 | 486 | 15.7 | 64.8 | 5.57 |
| S 15 x 42.9 | 15 | 5.501 | 0.411 | 12.6 | 42.9 | 447 | 14.4 | 59.6 | 5.23 |
| S 12 x 50 | 12 | 5.477 | 0.687 | 14.7 | 50 | 305 | 15.7 | 50.8 | 5.74 |
| S 12 x 40.8 | 12 | 5.252 | 0.462 | 12.0 | 40.8 | 272 | 13.6 | 45.4 | 5.16 |
| S 12 x 35 | 12 | 5.078 | 0.428 | 10.3 | 35 | 229 | 9.87 | 38.2 | 3.89 |
| S 12 x 31.8 | 12 | 5,000 | 0.350 | 9.35 | 31.8 | 218 | 9.36 | 36.4 | 3.74 |
| S 10 x 35 | 10 | 4.944 | 0.594 | 10.3 | 35 | 147 | 8.36 | 29.4 | 3.38 |
| S 10 x 25.4 | 10 | 4.661 | 0.311 | 7.46 | 25.4 | 124 | 6.79 | 24.7 | 2.91 |
| S 8 x 23 | 8 | 4.171 | 0.441 | 6.77 | 23 | 64.9 | 4.31 | 16.2 | 2.07 |
| S 8 x 18.4 | 8 | 4.001 | 0.271 | 5.41 | 18.4 | 57.6 | 3.73 | 14.4 | 1.86 |
| S 7 x 20 | 7 | 3.860 | 0.450 | 5.88 | 20 | 42.4 | 3.17 | 12.1 | 1.64 |
| S 7 x 15.3 | 7 | 3.662 | 0.252 | 4.5 | 15.3 | 36.7 | 2.64 | 10.5 | 1.44 |
| S 6 x 17.25 | 6 | 3.565 | 0.465 | 5.07 | 17.25 | 26.3 | 2.31 | 8.77 | 1.30 |
| S 6 x 12.5 | 6 | 3.332 | 0.232 | 3.67 | 12.5 | 22.1 | 1.82 | 7.37 | 1.09 |
| S 5 x 14.75 | 5 | 3.284 | 0.494 | 4.34 | 14.75 | 15.2 | 1.67 | 6.09 | 1.01 |
| S 5×10 | 5 | 3.004 | 0.214 | 2.94 | 10 | 12.3 | 1.22 | 4.92 | 0.81 |
| S 4 x 9.5 | 4 | 2.796 | 0.326 | 2.79 | 9.5 | 6.79 | 0.903 | 3.39 | 0.65 |
| S 4 x 7.7 | 4 | 2.663 | 0.193 | 2.26 | 7.7 | 6.08 | 0.764 | 3.04 | 0.57 |
| S 3 x 7.5 | 3 | 2.509 | 0.349 | 2.21 | 7.5 | 2.93 | 0.586 | 1.95 | 0.47 |
| S 3 x 5.7 | 3 | 2.330 | 0.170 | 1.67 | 5.7 | 2.52 | 0.455 | 1.68 | 0.39 |
U se u loketse ho fumana boholo bo bong?
Thomello ka 'ngoe e ka fanoa kaSetifikeiti sa Teko ea Mill (MTC) e nang le tlhahisoleseding e nepahetseng ea bohlokoa, joalo ka:
1. Palo ea mocheso
2.Sehlopha sa tšepe
3. Sebopeho sa lik'hemik'hale
4. Matla a ho tenyetseha
5. Matla a tlhahiso
6. Ho lelefatsa
7. Litekanyo tsa sehlahisoa
8. Liphetho tsa tlhahlobo
Litšebeletso tsa tlhahlobo ea mokha oa boraro tse kangSGS, BVkapamekhatlo e meng e tsebahalang ea tlhahloboe ka boela ea hlophisoa ho latela litlhoko tsa bareki.
Botšo bo Chesang bo Metsing: Boemo bo tloaelehileng
Ho kenya ka galvanizing ka ho chesa: ≥85μm (ho latela ASTM A123), teko ea spray ea letsoai ≥500h
Ho penta: Pente e metsi e ile ea fafatsoa ka ho lekana holim'a lehlaseli la tšepe ho sebelisoa sethunya sa spray sa pneumatic.
Sehlopha sa Tšepe sa Borenae sebelisa netefatso ea boleng mehatong eohle ea tlhahiso, ho kenyeletsoakhetho ea thepa e tala, ho phutholoha ho chesangletlhahlobo ea litekanyo, tlhahlobo ea mechini, sephutheloanaleHo tsamaisa ka sekepe.
Mamello ea litekanyo le thepa ea thepa li lekoa ho latela maemo a amehang le litlhoko tsa moreki.
Kaho:Liforeimi tsa moaho, likholomo, maballo le litšehetso tsa moaho
Indasteri:Lifeme, lithupelo, matlo a polokelo le liforomo tsa lisebelisoa
Meralo ea motheo:Marokho, meaho e phahameng le libaka tsa lipalangoang
Khoebo:Meaho ea liofisi, litsi tsa mabenkele le meaho e meholo ea khoebo
Boenjiniere:Liforeimi tsa meaho tse boima le tlhahiso ea tšepe e etselitsoeng motho ka mong
Tekanyetso ea ASTM A992 Kereiti ea 50– Libalaka tsa rona tsa I li etsoa ho latela maemo a ASTM A992, e leng sehlopha se tsebahalang haholo bakeng sa libalaka tsa tšepe tse etsang hore li lokele ho sebelisoa kahong ka matla a fokolang a tlhahiso ea 50 ksi (345 MPa).
Boholo bo Tloaelehileng ba Amerika– Li-I-beam tse tloaelehileng tsa sebopeho sa S le tsa Amerika li tla ka boholo bo fapaneng, 'me bolelele bo ikhethileng bo ka odarwa.
Taolo e Tiileng ea Boleng– Tlhahlobo ea litekanyo kapa teko ea thepa le tlhahlobo ea motho oa boraro ke SGS/BV li ka hlophisoa ho latela tlhoko ea projeke.
Setifikeiti sa Teko ea Mill- MTC e ka fuoa thepa ea bohlokoa le data ea liteko tsa mechini bakeng sa litokomane tsa projeke le netefatso ea boleng.
Ts'ebetso e Ikhethileng– Re fana ka lits'ebeletso tsa ho seha, ho cheka, ho tjheseletsa le tse ling tsa ts'ebetso ho latela setšoantšo sa bareki.
Phepelo ea Lefatše e Tšepahalang– Royal Steel Group e hlomeletsoe hantle ho sebetsana le lipotso tsa machaba tsa tšepe le lihlahisoa tse ling tsa tšepe ka ho fana ka liphutheloana tsa kantle ho naha, likhetho tse tenyetsehang tsa ho romella thepa le lits'ebeletso tse nang le boiphihlelo tsa phepelo ea tšepe.
Libalaka tsa tšepe tsa I di tlamilwe ka thata bakeng sa ho romela kantle ho naha. Ho itshetlehile hodimaboholo ba lehlaseli, bophahamo ba modumo, moo o yang teng, le ditlhoko tsa bareki tsa ho qetela, dihlahiswa di ka romelwa ka dikontenara, ka dikepe tse kgolo kapa ka mekgwa e meng ya dipalangwang.
Sephutheloana se sireletsang le ho tlamahana ka thata ho fokotsa ho sisinyeha le tshenyo nakong ya ho kenya, ho romela le ho laolla thepa.
P1: Ke maemo afe ao I-beam ena e a latelang?
A: Sehlahisoa se entsoe ho latela litlhoko tsa ASTM A992 Kereiti ya 50.
P2: Na MTC e fumaneha?
K: E. Setifikeiti sa Teko ea Mill se ka fanoa hammoho le thomello.
P3: Na o ka seha leballo ho fihlela bolelele bo ikhethileng?
K: E. Litšebeletso tsa ho seha le tsa tlhahiso li ka fanoa ho latela litlhoko tsa projeke.
P4: Na tlhahlobo ea motho oa boraro e ka hlophisoa?
K: E. Litlhahlobo tsa SGS, BV, kapa tse ling tsa batho ba boraro li ka hlophisoa ha ho kopuoa.
P5: Ditshebediso tse ka sehloohong ke dife?
K: E loketse mehaho ea tšepe, matlo a polokelo, mehaho ea indasteri, marokho, liforomo, mehaho ea khoebo le merero ea meaho e boima.




















