Landa ishadi eliphelele losayizi we-I Beam!
I-ASTM A572 Grade 50 Hot Rolled I‑Beam S‑Shape High Strength Structural Steel I‑Beam
I-ASTM A572 Ibanga 50 I-Beamkuyintoumshayo wensimbi ogoqwe ngokushisayezinhlelo zokusebenza ezinamandla aphezulu futhi ilungele izidingo zokwakha nezobunjiniyela ezidinga kakhulu.Umsebe ojwayelekile waseMelika omise okwe-Sinikeza umthwalo ohambisanayo kanye nokuqina kwesakhiwo.
Isetshenziswa kabanzi ku-izakhiwo zensimbi, amabhuloho, izindawo zokugcina impahla, izakhiwo zezimboni, amapulatifomu, kanye namaphrojekthi okwakha anzima. Osayizi, ubude, ukusika, ukubhoboza, kanye nezinsizakalo zokukhiqiza ezenziwe ngokwezifiso ziyatholakala ngokwezidingo zamakhasimende.
| Into | Imininingwane |
| Igama Lomkhiqizo | I-ASTM A572 Ibanga lama-50 I-Beam Yensimbi |
| Okujwayelekile | I-ASTM A572 |
| Ibanga | Ibanga lama-50 |
| Isimo | I-S-Shape / I-American Standard I-Beam |
| Inqubo Yokukhiqiza | Okugoqiwe Okushisayo |
| Izinto | Insimbi Eqinile Yesakhiwo |
| Ubuso | Ukuqeda Okumnyama / Isigayo |
| Ubude | Okujwayelekile noma okwenziwe ngokwezifiso |
| Ukucubungula | Ukusika, Ukubhoboza, Ukushisela |
| Ukuhlolwa | Ukuhlolwa Kwesigayo / Ukuhlolwa Kweqembu Lesithathu |
| Isitifiketi | I-MTC Iyatholakala |
Ukwakheka Kwamakhemikhali
| Into | C | Mn | P | S | Si | V | I-Cb/Nb | Ni | Cr | Mo | Cu |
| I-A572 Gr.50 | ≤0.23% | ≤1.35% | ≤0.040% | ≤0.050% | ≤0.40% | ≤0.15% | ≤0.05% | — | — | — | — |
Izakhiwo Zemishini
| Into | Amandla Okukhiqiza | Amandla Okudonsa | Ukwelulwa (200 mm) | Ukwelulwa (50 mm) | Isilinganiso Sokuvumelana Nokuthambekela | I-Modulus ye-Elasticity |
| I-A572 Gr.50 | ≥345 MPa (50 ksi) | 450–620 MPa (65–90 ksi) | ≥18% | ≥21% | — | Cishe i-200 GPa |
Qaphela:Izidingo ezithile zokwakheka kwamakhemikhali kanye nezakhiwo zemishiniIbanga lama-50 le-ASTM A572kungahluka kuye ngokuthi umkhiqizo uqine kangakanani, uhlobo lomkhiqizo, kanye nezidingo zemininingwane efanele.Isitifiketi Sokuhlolwa Komshini (i-MTC)kufanele kusekelwe emiphumeleni yangempela yokuhlolwa kokushisa/iqembu.
| Ukuqokwa | Ubukhulu | Amapharamitha Aqinile | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Isikhathi Sokungabi Naso | I-Elastic Section Modulus | ||||||||
| Umbuso (ku-x lb/ft) | Ukujula - h - (ngaphakathi) | Ububanzi - w - (ngaphakathi) | Ubukhulu bewebhu - s - (ngaphakathi) | Indawo Yesigaba (ngaphakathi2) | Isisindo (lbf/ft) | Ix (ngaphakathi4) | Iy (ngaphakathi4) | Sx (ngaphakathi3) | Sy (ngaphakathi3) |
| 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 |
| I-S 18 x 70 | 18 | 6.251 | 0.711 | 20.6 | 70 | 926 | 24.1 | 103 | 7.72 |
| I-S 18 x 54.7 | 18 | 6.001 | 0.461 | 16.1 | 54.7 | 804 | 20.8 | 89.4 | 6.94 |
| I-S 15 x 50 | 15 | 5.640 | 0.550 | 14.7 | 50 | 486 | 15.7 | 64.8 | 5.57 |
| I-S 15 x 42.9 | 15 | 5.501 | 0.411 | 12.6 | 42.9 | 447 | 14.4 | 59.6 | 5.23 |
| I-S 12 x 50 | 12 | 5.477 | 0.687 | 14.7 | 50 | 305 | 15.7 | 50.8 | 5.74 |
| I-S 12 x 40.8 | 12 | 5.252 | 0.462 | 12.0 | 40.8 | 272 | 13.6 | 45.4 | 5.16 |
| I-S 12 x 35 | 12 | 5.078 | 0.428 | 10.3 | 35 | 229 | 9.87 | 38.2 | 3.89 |
| I-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 |
| I-S 10 x 25.4 | 10 | 4.661 | 0.311 | 7.46 | 25.4 | 124 | 6.79 | 24.7 | 2.91 |
| I-S 8 x 23 | 8 | 4.171 | 0.441 | 6.77 | 23 | 64.9 | 4.31 | 16.2 | 2.07 |
| I-S 8 x 18.4 | 8 | 4.001 | 0.271 | 5.41 | 18.4 | 57.6 | 3.73 | 14.4 | 1.86 |
| I-S 7 x 20 | 7 | 3.860 | 0.450 | 5.88 | 20 | 42.4 | 3.17 | 12.1 | 1.64 |
| I-S 7 x 15.3 | 7 | 3.662 | 0.252 | 4.5 | 15.3 | 36.7 | 2.64 | 10.5 | 1.44 |
| I-S 6 x 17.25 | 6 | 3.565 | 0.465 | 5.07 | 17.25 | 26.3 | 2.31 | 8.77 | 1.30 |
| I-S 6 x 12.5 | 6 | 3.332 | 0.232 | 3.67 | 12.5 | 22.1 | 1.82 | 7.37 | 1.09 |
| I-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 |
| I-S 4 x 9.5 | 4 | 2.796 | 0.326 | 2.79 | 9.5 | 6.79 | 0.903 | 3.39 | 0.65 |
| I-S 4 x 7.7 | 4 | 2.663 | 0.193 | 2.26 | 7.7 | 6.08 | 0.764 | 3.04 | 0.57 |
| I-S 3 x 7.5 | 3 | 2.509 | 0.349 | 2.21 | 7.5 | 2.93 | 0.586 | 1.95 | 0.47 |
| I-S 3 x 5.7 | 3 | 2.330 | 0.170 | 1.67 | 5.7 | 2.52 | 0.455 | 1.68 | 0.39 |
Ukulungele ukuthola osayizi abengeziwe?
Ukuthunyelwa ngakunye kungahlinzekwa nge-Isitifiketi Sokuhlolwa Kwesigayo (I-MTC) equkethe ulwazi olubalulekile olufanele, olufana nalokhu:
1. Inombolo yokushisa
2. Ibanga lensimbi
3. Ukwakheka kwamakhemikhali
4. Amandla okuqina
5. Amandla okukhiqiza
6. Ukwelulwa
7. Ubukhulu bomkhiqizo
8. Imiphumela yokuhlolwa
Izinsizakalo zokuhlola zeqembu lesithathu ezifanaI-SGS, BVnomaezinye izinhlangano zokuhlola eziqashelwayokungahlelwa futhi ngokwezidingo zamakhasimende.
Okumnyama Okugoqiwe Okushisayo: Isimo esijwayelekile
Ukushisa okucwilisiwe: ≥85μm (kuhambisana ne-ASTM A123), ukuhlolwa kokufutha usawoti ≥500h
Ukwemboza: Upende oluwuketshezi lufuthwe ngokulinganayo phezu kogongolo lwensimbi kusetshenziswa isibhamu sokufutha esinomoya.
Ukulawulwa kwekhwalithi kwenziwa kuyo yonke inqubo yokukhiqiza nokuhlinzeka, okuhlanganisa ukuhlolwa kwezinto zokusetshenziswa, ukuhlolwa kobukhulu, ukuhlolwa kwemishini, ukuhlolwa kwendawo, ukupakishwa, kanye nokuthunyelwa.
Izitifiketi Zokuhlolwa Kwesigayo (i-MTC)inganikezwa ukuze inikeze ukulandeleka kwezinto ezibonakalayo futhi iqinisekise ukwakheka kwamakhemikhali kanye nezakhiwo zemishini.
Izinsizakalo zokuhlola zeqembu lesithathu ezifanaI-SGS, i-BV, noma ezinye izinhlangano zokuhlola eziqashelwayokungahlelwa futhi ngokwezidingo zamakhasimende.
Iqembu Lensimbi Yasebukhosiniingahlinzeka ngokucubungula okunenani elingeziwe ngokuya ngemidwebo yamakhasimende kanye nezidingo zephrojekthi:
1. Sika ubude
2. Ukubhoboza
3. Ukwenza imigodi
4. Ukushisela
5. Ukwelashwa kobuso
6. Ukudubula ngesibhamu
7. Ukupenda
8. Ukufaka i-galvanizing
9. Ukwenziwa kwensimbi okwenziwe ngokwezifiso
Lezi zinsizakalo zisiza amakhasimende ukunciphisa umsebenzi owengeziwe wokucubungula ngemva kokulethwa.
Izakhiwo Zensimbi– Imishayo emikhulu, amakholomu, ozimele bezakhiwo, kanye nezakhiwo zophahla.
Izindawo Zokugcina Izimpahla Zezimboni– Ozimele abanzima, amapulatifomu, kanye nezakhiwo zokusekela.
Amabhuloho– Imishayo yamabhuloho, amalungu esakhiwo, kanye nezingxenye zengqalasizinda.
Amafektri namaWorkshop– Uhlaka lwesakhiwo, izisekelo zemishini, kanye nezakhiwo ze-mezzanine.
Ikhwalithi ye-ASTM A572 Grade 50– Insimbi yesakhiwo enamandla aphezulu enamandla amancane okukhiqiza345 MPa (50 ksi).
Ukulawulwa Kwekhwalithi Okuthembekile- Ukuhlolwa okuqinile kokwakheka kwamakhemikhali, izakhiwo zemishini, ubukhulu, kanye nekhwalithi yobuso.
I-MTC Iyatholakala– Isitifiketi Sokuhlolwa Komshini singanikezwa ukuze kulandelelwe izinto kanye nokuqinisekiswa kwekhwalithi.
Ukucubungula okwenziwe ngokwezifiso– Ukusika, ukubhoboza, ukwenza imigodi, ukushisela, ukupenda, kanye nezinye izinsizakalo zokukhiqiza ziyatholakala.
Imininingwane Eguquguqukayo– Osayizi abajwayelekile nabangokwezifiso, ubude, kanye nokwelashwa kwendawo ukuze kuhlangatshezwane nezidingo ezahlukene zephrojekthi.
Ulwazi Lokuthumela Ngaphandle Lomhlaba Wonke- Ukupakisha okuchwepheshile, ukuthunyelwa, amadokhumenti, kanye nezinsizakalo zokuhlinzeka ngensimbi zamazwe ngamazwe kumakhasimende emhlabeni jikelele.
Imishayo ye-I ihlanganiswa ngokuphephile futhi ivikelwe ukuthuthwa kwamanye amazwe. Izindlela zokupakisha zingalungiswa ngokuya ngosayizi wemishayo, inani le-oda, indlela yokuthutha, kanye nendawo oya kuyo.
Izinketho zokuthumela ezitholakalayo zifaka phakathiukuthunyelwa kwamakhonteyina, ukuthunyelwa kwemikhumbi eminingi, kanye nezinye izixazululo zokuhamba zamazwe ngamazwe ezifanele.
Q1: Yiliphi izinga elilandelwa yilo msebe we-I?
A: Umkhiqizo wenziwe ngokwezidingo ze-ASTM A992 Grade 50.
Umbuzo 2: Ingabe i-MTC iyatholakala?
A: Yebo. Isitifiketi Sokuhlolwa Komshini singanikezwa kanye nokuthunyelwa.
Q3: Ungakwazi yini ukusika ugongolo lube ubude obufanele wena?
A: Yebo. Izinsizakalo zokusika nezinye izinto zokukhiqiza zinganikezwa ngokwezidingo zephrojekthi.
Umbuzo 4: Ingabe ukuhlolwa komuntu wesithathu kungahlelwa?
A: Yebo. Ukuhlolwa kwe-SGS, i-BV, noma okunye okuvela eceleni kungahlelwa uma kuceliwe.
Q5: Yiziphi izinhlelo zokusebenza eziyinhloko?
A: Ifanele izakhiwo zensimbi, izindawo zokugcina impahla, izakhiwo zezimboni, amabhuloho, amapulatifomu, izakhiwo zezentengiselwano, kanye namaphrojekthi ezakhiwo anzima.




















