Vim li cas rails ua los ntawm steel?
Jan 14, 2026
Hlau rail, tseem hu ua rail rail, yog ib feem tseem ceeb ntawm txoj kev tsheb ciav hlau. Steel rail ua lub luag haujlwm ntawm kev taw qhia lub tsheb ciav hlau lub log thiab xa cov khoom thauj los ntawm lub tsheb mus rau txoj kev tsheb ciav hlau. Raws li qhov tseem ceeb ntawm cov qauv kev tsheb ciav hlau, qhov zoo thiab cov khoom siv ntawm steel rail ncaj qha cuam tshuam rau kev nyab xeeb thiab kev pabcuam lub neej ntawm kev tsheb ciav hlau.
Rau kev sib ntsib ntau qhov ntau thiab tsawg ntawm ntau lub teb chaws thoob ntiaj teb, steel rail tuaj yeem ua raws li tus qauv thoob ntiaj teb, xws li GB, AREMA, BS, UIC, JIS, DIN, AECE, thiab lwm yam.
GB txheem hlau Rail
| Kev faib tawm | Qhov siab (mm) | Lub taub hau (mm) | Hauv qab (mm) | Thickness (mm) | Qhov hnyav (kg / m) | |
| Lub Teeb Rail | 8 KG / M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG / M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG / M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG / M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG / M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG / M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG / M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG / M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
| 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 | |
| Crane Rail | qw 70 | 120 | 70 | 120 | 28 | 52.8 |
| qw 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| qw 120 | 170 | 120 | 170 | 44 | 118.1 | |
JIS E1103-91 / JISE 1101-93 Specifications
| Txheem: JIS E1103-91 / JISE 1101-93 | |||||||
|---|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) |
Khoom siv | Ntev (m) | |||
| Lub taub hau (mm) | Qhov siab (mm) | Hauv qab (mm) | Web (mm) | ||||
| JIS 15 KG | 42.86 | 79.37 | 79.37 | 8.33 | 15.2 | JIS E Standard | 9-10 |
| JIS 22 KG | 50.8 | 93.66 | 93.66 | 10.72 | 22.3 | 9-10 | |
| JIS 30 KG | 60.33 | 107.95 | 107.95 | 12.3 | 30.1 | 9-10 | |
| JIS 37 A | 62.71 | 122.24 | 122.24 | 13.49 | 37.2 | 10-25 | |
| JIS 50 N | 65 | 153 | 127 | 15 | 50.4 | 10-25 | |
| SIB 73 | 100 | 135 | 140 | 32 | 73.3 | 10-12 | |
| CR 100 | 120 | 150 | 155 | 39 | 100.2 | 10-12 | |
UIC860 Standard Specifications
| Qauv: UIC860 | |||||||
|---|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) |
Khoom siv | Ntev (m) | |||
| Lub taub hau (mm) | Qhov siab (mm) | Hauv qab (mm) | Web (mm) | ||||
| UAS 50 | 70 | 152 | 125 | 15 | 50.46 | 900A/1100 | 12-25 |
| UAS 54 | 70 | 159 | 140 | 16 | 54.43 | 900A/1100 | 12-25 |
| UAS 60 | 74.3 | 172 | 150 | 16.5 | 60.21 | 900A/1100 | 12-25 |
Raws li tus kws tshaj lij rail fastener tsum,GNEE RAILtuaj yeem muab cov qauv steel sib txawv xws li GB, Asmeskas, BS, UIC, DIN, JIS, Australian thiab South Africa uas siv rau hauv txoj kev tsheb ciav hlau, cranes thiab thee mining.
Vim li cas rails ua los ntawm steel?
Rails yuav tsum ua siab ntev, hnyav loads los ntawm locomotives thiab dov Tshuag, huab cua hloov pauv, thiab ib puag ncig corrosion. Steel ua tau raws li qhov yuav tsum tau ua vim:
- High Tensile Strength: Tiv thaiv cov tsheb ciav hlau los ntawm kev khoov lossis tawg hauv cov tsheb ciav hlau hnyav.
- Hnav Resistance: Txo lub taub hau hnav los ntawm lub tsheb ciav hlau log hla ntau lab lub voj voog.
- Toughness: Absorbs cuam tshuam loads yam tsis muaj fracturing.
- Fatigue Resistance: Txhim kho kev ua haujlwm txawm tias muaj kev ntxhov siab ntau ntxiv.
| 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 | – | – | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.030 | Ntau dua lossis sib npaug li 880 |
| U75V | 0.71~0.80 | 0.50~0.80 | 0.75~1.05 | – | 0.04~0.12 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.030 | Ntau dua lossis sib npaug li 980 |
| ua 78crv | 0.72~0.82 | 0.50~0.80 | 0.70~1.05 | 0.30~0.50 | 0.04~0.12 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.030 | Ntau dua lossis sib npaug rau 1080 |
| U77MnCr | 0.72~0.82 | 0.10~0.50 | 0.80~1.10 | 0.25~0.40 | – | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.025 | Ntau dua lossis sib npaug li 980 |
| ua 76kr | 0.71~0.81 | 0.50~0.80 | 0.80~1.10 | 0.25~0.35 | 0.04~0.08 | Tsawg dua lossis sib npaug li 0.035 | Tsawg dua lossis sib npaug li 0.025 | Ntau dua lossis sib npaug rau 1080 |
Vim li cas ho tsis siv lwm cov khoom siv rau cov ntsia hlau?
Lwm cov ntaub ntawv xws li hlau, pob zeb, lossis cov khoom sib xyaw ua tsis tau muab qhov sib npaug ntawm cov khoom zoo li steel.
- Cam khwb cia hlau: Brittle, nws yuav tawg nyob rau hauv hnyav loads.
- Aluminium: mos heev; siab hnav thiab deformation.
- Pob Tawb: Tsuas yog siv tau rau cov neeg pw tsaug zog lossis cov tsheb ciav hlau, tsis yog cov tsheb loj.
Cov hlau tshwj xeeb txhawb nqa siab - nrawm, hnyav-load, thiab cov ntawv thov kev lag luam yam tsis muaj kev hloov ntau zaus.
Txij xyoo 2008,GNEE RAILtau muab steel rails ntawm cov qib sib txawv rau ntau tshaj 18 xyoo, steel rails los ntawm GNEE yog heev recommened nyob rau hauv Tuam Tshoj thiab txawv teb chaws.Wtih txiav ntug khoom, GNEE ua tau zoo steel rails uas tau raws li cov kev cai ntawm feem 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.
