Dab tsi yog steel rail?
Lub tsheb ciav hlau steel yog ib qho tshwj xeeb zoo li, siab - lub zog steel bar tsim cov kev taw qhia thiab kev thauj khoom- bearing nto ntawm railway lem, muab txoj kev du rau lub tsheb ciav hlau log thaum tiv taus hnyav hnyav, cuam tshuam, thiab hnav, qhov tseem ceeb ntawm kev coj tsheb thiab kev xa mus rau cov neeg pw tsaug zog (kev sib txuas) hauv qab. Cov inverted T-zoo li tus profiles, ua los ntawm cov khoom siv ruaj khov, hnav- cov hlau tsis muaj zog, tau koom nrog kawg- mus rau -kawg (feem ntau welded rau hauv Nruam Welded Rail lossis CWR) los tsim kev txuas mus ntxiv rau cov tsheb ciav hlau, tsheb ciav hlau, thiab cranes.
Cov haujlwm tseem ceeb
- Kev taw qhia: coj lub locomotive thiab tsheb rau pem hauv ntej.
- Kev them nyiaj yug: Dais lub siab loj thiab dynamic loads los ntawm cov tsheb ciav hlau hla.
- Smooth Surface: Muab qhov qis -tsis kam, nruam dov nto rau lub log.
- Circuitry: tuaj yeem ua raws li kev sib tw hauv kev tsheb ciav hlau hluav taws xob.
Khoom siv & Tsim
- Kev sib xyaw: Siab- carbon steel nrog cov ntsiab lus xws li manganese, silicon, chromium, niobium, lossis vanadium rau lub zog thiab hardness.
| Qib Steel | C(%) | Si | Mn | Cr | V | P | S | Tensile zog (Rm / MPa) |
| ua 71mn | 0.65~0.76 | 0.15~0.58 | 0.70~1.40 | - | - | ≤ 0.035 | ≤ 0.030 | ≥880 |
| U75V | 0.71~0.80 | 0.50~0.80 | 0.75~1.05 | - | 0.04~0.12 | ≤ 0.035 | ≤ 0.030 | ≥980 |
- Profile: Ib qho inverted T-puab (zoo li Suav cim "工") nrog lub taub hau tawv, lub vev xaib, thiab flange.
- Cov Qauv: Ua rau ntau qhov hnyav (piv txwv li, kg / m) thiab profiles (piv txwv li, AREMA, UIC, BS) kom phim cov tsheb ciav hlau tshwj xeeb thiab cov qag loads.
American Standard Steel Rail
| ASTM txuj, AREMA txuj | ||||||
|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) | Ntev (m) | |||
| Lub taub hau | Qhov siab | Ko taw | Thickness | |||
| UAS 25 | 38.1 | 69.85 | 69.85 | 7.54 | 12.4 | 6-12 |
| UAS 30 | 42.86 | 79.38 | 79.38 | 8.33 | 14.88 | |
| UAS 40 | 47.62 | 88.9 | 88.9 | 9.92 | 19.84 | |
| UAS 60 | 60.32 | 107.95 | 107.95 | 12.3 | 29.76 | |
| TIAB SA 75 | 62.71 | 122.24 | 122.24 | 13.49 | 37.2 | 12-25 |
| TIAB SA 85 | 65.09 | 131.76 | 131.76 | 14.29 | 42.17 | |
| TIAB SA 90 | 69.09 | 130.18 | 142.88 | 14.29 | 44.65 | |
| TIAB SA 115 | 69.06 | 139.7 | 168.28 | 15.88 | 56.9 | |
| TIAB SA 136 | 74.61 | 152.4 | 185.74 | 17.46 | 67.41 | |
| TIAB SA 175 | 109.86 | 152.4 | 152.4 | 38.1 | 86.8 | |
BS11: 1985 Standard Steel Rail
| Qauv: BS11: 1985 | ||||||
|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) | Ntev (m) | |||
| Lub taub hau | Qhov siab | Hauv qab | Thickness | |||
| 50 O | 52.39 | 100.01 | 100.01 | 10.32 | 24.833 | 6-18 |
| 60 A | 57.15 | 114.3 | 109.54 | 11.11 | 30.618 | |
| 75 A | 61.91 | 128.59 | 114.3 | 12.7 | 37.455 | 8-25 |
| 75 R | 61.91 | 128.59 | 122.24 | 13.1 | 37.041 | |
| 80 A | 63.5 | 133.35 | 117.47 | 13.1 | 39.761 | |
| 80 R | 63.5 | 133.35 | 127 | 13.49 | 39.674 | |
| 90 A | 66.67 | 142.88 | 127 | 13.89 | 45.099 | |
| 100 A | 69.85 | 152.4 | 133.35 | 15.08 | 50.182 | |
| 113 A | 69.85 | 158.75 | 139.7 | 20 | 56.398 | |
UIC 860 Standard Steel Rail
| Qauv: UIC860 | ||||||
|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) | Ntev (m) | |||
| Lub taub hau | Qhov siab | Hauv qab | Thickness | |||
| UAS 50 | 70 | 152 | 125 | 15 | 50.46 | 12-25 |
| UAS 54 | 70 | 159 | 140 | 16 | 54.43 | |
| UAS 60 | 74.3 | 172 | 150 | 16.5 | 60.21 | |
GB Steel Rail
| Kev faib tawm | Qhov siab (mm) | Lub taub hau (mm) | Hauv qab (mm) | Thickness (mm) | Qhov hnyav (kg / m) | |
| Heavy Rail | 38 KG / M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG / M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG / M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG / M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG / M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Kev faib tawm | SIZE (mm) | theoretical luj | |||||||||
| qhov siab | hauv qab dav | taub hau dav | lub duav tob | ||||||||
| Crane rail | qw 70 | 120 | 120 | 70 | 28 | 52.8 | |||||
| qw 80 | 130 | 130 | 80 | 32 | 63.69 | ||||||
| QU 100 | 150 | 150 | 100 | 38 | 88.96 | ||||||
| qw 120 | 170 | 170 | 120 | 44 | 118.1 | ||||||
Txij li thaum xyoo 2008, GNEE RAIL tau muab cov hlua hlau sib txawv rau ntau tshaj 18 xyoo, steel rails los ntawm GNEE tau pom zoo nyob hauv Suav teb thiab txawv teb chaws.Wtih cov cuab yeej txiav ntug, GNEE tsim cov khoom zoo steel hlau uas ua tau raws li cov kev cai ntawm ntau lub teb chaws. Standard rail, lub taub hau hardened rail, hnyav rail, lub teeb rail, crane rail thiab lwm yam yog tag nrho cov muaj nyob ntawm no, raws li ib tug ntawm cov Tuam Tshoj lub ntsiab rail tsum, GNEE RAIL tau ua hauj lwm rau muab kev lag luam ntsuab railway khoom thoob plaws lub ntiaj teb no.