Soo dejiso jaantuska cabbirka I Beam oo dhammaystiran!
ASTM A992 Heerka 50 ee Birta I-Beam ee kulul ee S-Shape-ka ah ee Heerka Mareykanka I-Beam oo leh Shahaadada Imtixaanka Mill
AnnagaASTM A992 Fasalka 50aad ee Birta I-Beam is Nooca S-qaabaysan ee kulul ee American Standard I-Beamtaas oo loogu talagalay in loo isticmaalo codsiyada qaab-dhismeedka ee u baahan xoog sare, dulqaad adag, iyo waxqabad culeys qaadis oo la isku halleyn karo.
U hoggaansanaantadarajada A992, alwaaxani wuxuu ku habboon yahay dhismaha qaab-dhismeedka dhismaha, buundooyinka, warshadaha, bakhaarada iyo dhismayaasha birta culus ee la midka ah.Shahaadada Imtixaanka Mill (MTC) waxaa la soo saari karaa si loo taageero faahfaahinta heerka agabka, falanqaynta kiimikada, sifooyinka farsamada iyo natiijooyinka baaritaanka ee kormeerka.
| Shay | Faahfaahinta |
| Badeecada | ASTM A992 Fasalka 50aad ee Birta I-Beam |
| Qaab | Qaabka S / Heerka Mareykanka ee I-Beam |
| Heerka Caadiga ah | ASTM A992 |
| Fasal | Fasalka 50aad |
| Wax soo saarka | Kulul oo la duubay |
| Alaab | Birta Kaarboonka Dhismaha |
| Dusha sare | Dhammaadka Madow / Warshadda |
| Dhererka | Caadi ama La Habeeyey |
| Shahaadada | Shahaadada Imtixaanka Mill (MTC) |
| Kormeerka | Kormeerka Warshadda / Kormeerka Dhinac Saddexaad |
| Habaynta | Jarjaridda, Qodista, Alxanka iyo Samaynta La Habeeyey |
Halabuurka Kiimikada
| Shay | 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% |
Sifooyinka Farsamada
| Shay | Xoogga Wax Soo Saarka | Xoogga Tijaabada | Dheereynta (200 mm) | Dheereynta (50 mm) | Saamiga Wax-soo-saarka ilaa-Tarjiidadka | Modulus of Lalabnimo |
| A992 | ≥345 MPa (50 ksi) | 450–620 MPa (65–90 ksi) | ≥18% | ≥21% | ≤0.85 | Qiyaastii 200 GPa |
Fiiro gaar ah:Xadka kiimikada ee gaarka ah ee A992 way kala duwanaan kartaa iyadoo ku xiran dhumucda badeecada, nooca A992, iyo habka saadka. MTC-ga rasmiga ah waa inuu ku salaysan yahay xogta dhabta ah ee foornada.
| Magacaabista | Cabbirrada | Halbeegyada Ma-guurtada ah | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Daqiiqadda Inertia | Modulus Qaybta Laablaaban | ||||||||
| Imperial (x lb/ft) | Qoto dheer - h - (gudaha) | Ballaca - w - (gudaha) | Dhumucda Shabakadda - s - (gudaha) | Aagga Qaybaha (gudaha2) | Miisaanka (lb)f/ft) | Ix (gudaha4) | Iy (gudaha4) | Sx (gudaha3) | Sy (gudaha3) |
| 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 |
Diyaar ma u tahay inaad ogaato cabbirro badan?
Shixnad kasta waxaa lagu bixin karaaShahaadada Imtixaanka Mill (MTC) oo ay ku jiraan macluumaad muhiim ah, sida:
1. Lambarka kulaylka
2. Heerka birta
3. Halabuurka kiimikada
4. Xoogga la riixo
5. Xoogga wax soo saarka
6. Dheereynta
7. Cabbirrada alaabta
8. Natiijooyinka baaritaanka
Adeegyada kormeerka ee dhinac saddexaad sidaSGS, BV, amahay'adaha kale ee kormeerka ee la aqoonsan yahaysidoo kale waxaa loo diyaarin karaa iyadoo loo eegayo shuruudaha macaamiisha.
Madow kulul oo la duubay: Xaaladda caadiga ah
Galvanizing kulul: ≥85μm (waafaqsan ASTM A123), tijaabada buufinta milixda ≥500h
Dahaarka: Rinjiga dareeraha ah si siman ayaa loogu buufiyay dusha sare ee birta iyadoo la isticmaalayo qori buufin ah oo neefta ku shaqeeya.
Kooxda Birta Royalwaxay samaysaa hubin tayo leh dhammaan marxaladaha wax soo saarka, oo ay ku jiraanxulashada alaabta ceeriin ah, rogid kulul, iyokormeerka cabbirka, tijaabinta farsamada, baakad, iyorarista.
Dulqaadka cabbirka iyo sifooyinka agabka waxaa lagu tijaabiyaa iyadoo la raacayo heerarka khuseeya iyo shuruudaha macaamiisha.
Dhismaha:Qaababka dhismaha, tiirarka, alwaaxyada iyo taageerada qaab-dhismeedka
Warshadaha:Warshadaha, aqoon-is-weydaarsiyada, bakhaarada iyo goobaha qalabka
Kaabayaasha dhaqaalaha:Buundooyinka, dhismayaasha dhaadheer iyo xarumaha gaadiidka
Ganacsi:Dhismayaasha xafiisyada, xarumaha wax iibsiga iyo dhismayaasha ganacsiga ee waaweyn
Injineernimada:Qaab-dhismeedka culus iyo farsamaynta birta ee la habeeyey
Heerka ASTM A992 Heerka 50aad– Alwaaxyadayada I waxaa loo sameeyay heerka ASTM A992, kaas oo ah heer si weyn loo aqoonsan yahay oo loogu talagalay alwaaxyada birta ah taasoo ka dhigaysa kuwo ku habboon in loo isticmaalo dhismaha iyadoo leh xoog wax soo saar ugu yaraan 50 ksi (345 MPa).
Cabbirrada Caadiga ah ee Mareykanka- Labada qaab ee S-shape iyo kuwa caadiga ah ee I-beams-ka Mareykanka waxay ku yimaadaan cabbirro kala duwan, dhererada gaarka ahna waa la dalban karaa.
Xakamaynta Tayada Adag- Kormeerka cabbirka ama baaritaanka agabka iyo kormeerka dhinac saddexaad ee SGS/BV waa la diyaarin karaa iyadoo loo eegayo shuruudaha mashruuca.
Shahaadada Imtixaanka Mill- MTC waxaa la siin karaa xog muhiim ah oo ku saabsan tijaabada agabka iyo farsamada si loo hubiyo tayada iyo dukumentiyada mashruuca.
Habaynta Gaarka ah– Waxaan bixinaa adeegyo jarista, qodista, alxanka iyo adeegyada kale ee farsamaynta sida ku cad sawirka macaamiisha.
Sahay Caalami ah oo la isku halleyn karo– Royal Steel Group waxay si fiican u qalabaysan tahay inay wax ka qabato su'aalaha caalamiga ah ee ku saabsan birta iyo alaabada kale ee birta iyadoo bixinaysa baakadaha dhoofinta, fursadaha dhoofinta dabacsan iyo adeegyada sahayda birta ee khibradda leh.
Birta I-beams si adag ayaa loogu xidhaa dhoofinta. Iyada oo ku saleysancabbirka iftiinka, mugga, meesha loo socdo, iyo baahiyaha macaamiisha ugu dambeeya, badeecadaha waxaa lagu keeni karaa weelal, maraakiib badan ama siyaabo kale oo gaadiid ah.
Baakadaha ilaalinta leh iyo xidhitaanka adag waxay yareeyaan wareejinta iyo waxyeelada inta lagu jiro rarista, rarista iyo dejinta.
S1: Heerkee ayuu I-beam-kani u hoggaansamaa?
A: Badeecada waxaa loo sameeyay iyadoo la raacayo shuruudaha ASTM A992 Fasalka 50aad.
S2: MTC ma diyaar baa?
J: Haa. Shahaadada Tijaabada Warshadda waxaa lagu siin karaa shixnadda.
S3: Ma u jari kartaa laambadda dherer gaar ah?
J: Haa. Adeegyada jarista iyo farsamaynta kale waxaa lagu bixin karaa iyadoo loo eegayo shuruudaha mashruuca.
S4: Kormeer dhinac saddexaad ah ma la qaban karaa?
J: Haa. Kormeerka SGS, BV, ama kormeer kale oo dhinac saddexaad ah ayaa la diyaarin karaa marka la codsado.
S5: Waa maxay codsiyada ugu muhiimsan?
J: Waxay ku habboon tahay dhismayaasha birta ah, bakhaarada, dhismayaasha warshadaha, buundooyinka, goobaha, dhismayaasha ganacsiga, iyo mashaariicda dhismaha ee culus.




















