Vim li cas txoj kev tsheb ciav hlau tseem ceeb?
Jan 22, 2026
A hlau railyog ib tug ntev, precisely dov steel tivthaiv tsim lub hauv paus nto ntawm lub tsheb ciav hlau, crane, los yog muaj tsheb log tsheb mus ncig, xyuas kom meej kev taw qhia, load hloov, thiab stability. Nws tus ntoo khaub lig- ntu, suav nrog lub taub hau, lub vev xaib, thiab ko taw, yog tsim los tiv thaiv kev khoov, hnav, thiab dov qaug zog nyob rau hauv rov ua dua.
Raws li tag nrho - muab kev pabcuam, GNEE RAIL muab cov hlua hlau hla txhua tus qauv thoob ntiaj teb, suav nrog GB, UIC, EN, DIN, BS, AREMA/ASCE, JIS, AS, GOST, thiab ISCOR, nrog rau tag nrho cov lus qhia los ntawm lub teeb rails (8-30 kg / m) rau hnyav rails (38-60 kg / m) (QU70/80/100/120, DIN536 A55-A120), nrog rau kev txiav, drilling, kho qhov chaw, thiab kev txhawb nqa.
Vim li cas txoj kev tsheb ciav hlau tseem ceeb?
Txoj kev tsheb ciav hlau yog qhov tseem ceeb vim tias lawv muab cov kev sib txhuam qis, ruaj khov, thiab coj txoj hauv kev rau cov tsheb ciav hlau, ua kom muaj kev nyab xeeb, muaj txiaj ntsig, thiab kev thauj neeg thiab cov khoom lag luam los ntawm kev faib khoom hnyav, ua kom muaj kev sib haum xeeb rau kev kub ceev, ua kom du, thiab txo qis derailments los ntawm lawv cov khoom siv xws li ballast, sleepers. Lawv yog lub hauv paus infrastructure rau tag nrho railway system, txhawb nqa hnyav loads thiab ua kom ntseeg tau kev lag luam.
Lub luag haujlwm tseem ceeb ntawm txoj kev tsheb ciav hlau:
Kev Taw Qhia & Kev Nyab Xeeb:Rails tuav lub log tsheb ciav hlau ntawm txoj kev raug, tiv thaiv kev derailments thiab coj tsheb ciav hlau kom nyab xeeb.
Load Distribution:Lawv sib npaug sib npaug ntawm qhov hnyav hnyav ntawm locomotives thiab cov khoom thauj thoob plaws lub ballast thiab subgrade, tiv thaiv av tawg.
Low Friction Nto:Steel rails muab ib tug du, qis - ua hauj lwm nto rau steel log, tso cai rau cov tsheb ciav hlau mus zoo nrog tsawg zog.
Dej Dej & Zaub Tswjhwm:Ballast (pob zeb crushed) tso cai rau dej ntws tawm thiab nres cov nroj tsuag kom tsis txhob loj hlob, tiv thaiv kev puas tsuaj.
Dab tsi yog steel rails ua los ntawm?
Rails yog ua los ntawmsiab -lub zog, hnav- cov hlau tsis muaj zogtshwj xeeb engineered los lishnyav loads, rov qaug zog, cuam tshuam, thiab ib puag ncig kev nyuaj siab. Ordinary structural steel tsis tuaj yeem tiv taus qhov kev xav tau ntawm kev pabcuam kev tsheb ciav hlau, yog li kev siv tsheb ciav hlau tshwj xeeb yog siv.
1. Siab -Carbon Manganese Steels
ua 71mn- feem ntau siv rail steel nyob rau hauv Tuam Tshoj thiab industrial rails.
- Muaj li ntawm 0.65-0.80% carbon thiab 0.70-1.20% manganese.
- Muab kev hnav zoo heev, toughness, thiab qaug zog.
| 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 rau 880 |
U75V- siab dua -lub zog, vanadium- alloyed steel rau hnyav- thauj lossis siab- hnav daim ntaub ntawv.
- Muab kev qaug zog zoo dua thiab ua rau tawg, haum rau siab - nrawm lossis nkhaus lem.
| Qib Steel | C(%) | Si | Mn | Cr | V | P | S | Tensile zog (Rm / MPa) |
| 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 |
| 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 | |
2. European EN Qib
- R260- txheem carbon-manganese steel rau dav - hom phiaj kev tsheb ciav hlau.
- R350 HT- Thaum tshav kub kub-kho, siab-hardness steel rau hnyav-haul, siab-ceev, los yog siab- coj seem.
| Qib | Standard / cheeb tsam | Kev sib xyaw ua ke (wt%) |
| R260 | TS EN 13674-1 (Tebchaws Europe) | C: 0.67–0.80, Mn: 0.90–1.20, Si: Tsawg dua lossis sib npaug rau 0.50 |
| R350 HT | TS EN 13674-1 (Tebchaws Europe) | C: 0.75–0.85, Mn: 0.80–1.20, Cr: 0.20–0.50 |
| Hom ntawm | Txuj | Dimensions mm | Qib Steel | Mas M | |||
| Rail | A | F | C | t | kg/m | ||
| 39E1 (BS80A) | TS EN 13674-4 | 133.4 | 117.5 | 63.5 | 13.1 | R200/R260/R260Mn/R300HT | 39.77 |
| 45E1 (BS90A) | TS EN 13674-4 | 142.88 | 127 | 66.67 | 13.89 | R200/R260/R260Mn/R300HT | 45.11 |
| 45E3 (RN45) | TS EN 13674-4 | 142 | 130 | 66 | 15 | R200/R260/R260Mn/R300HT | 44.79 |
| 46E2(U33) | TS EN 13674-4 | 145 | 134 | 62 | 15 | R200/R260/R260Mn/R300HT | 46.27 |
| 49E1(S49) | TS EN 13674-4 | 149 | 125 | 67 | 14 | R200/R260/R260Mn/R300HT | 49.39 |
| 49E2 | TS EN 13674-4 | 148 | 125 | 67 | 14 | R200/R260/R260Mn/R300HT | 49.1 |
| 49E5 | TS EN 13674-4 | 149 | 125 | 67 | 14 | R200/R260/R260Mn/R300HT | 49.13 |
| 50E1 | TS EN 13674-4 | 153 | 134 | 65 | 15.5 | R200/R260/R260Mn/R300HT | 50.37 |
| 50E2(50EB-T) | TS EN 13674-4 | 151 | 140 | 72 | 15 | R200/R260/R260Mn/R300HT | 49.97 |
| 50E4 | TS EN 13674-4 | 152 | 125 | 70 | 15 | R200/R260/R260Mn/R300HT | 50.46 |
| 50E5 | TS EN 13674-4 | 148 | 135 | 67 | 14 | R200/R260/R260Mn/R300HT | 49.9 |
| 50E6(U50) | TS EN 13674-4 | 153 | 140 | 65 | 15.5 | R200/R260/R260Mn/R300HT | 50.9 |
| 54E1 (UA 54) | TS EN 13674-4 | 159 | 140 | 70 | 16 | R200/R260/R260Mn/R300HT | 54.77 |
| 54E2 (UA 54E) | TS EN 13674-4 | 161 | 125 | 67 | 16 | R200/R260/R260Mn/R300HT | 53.82 |
| 54 E3 (DINS54) | TS EN 13674-4 | 154 | 125 | 67 | 16 | R200/R260/R260Mn/R300HT | 54.57 |
| 54E4 | TS EN 13674-4 | 154 | 125 | 67 | 16 | R200/R260/R260Mn/R300HT | 54.31 |
| 54E5 (54E1AHH) | TS EN 13674-4 | 159 | 140 | 70.2 | 16 | R200/R260/R260Mn/R300HT | 54.42 |
| 55E1 | TS EN 13674-4 | 155 | 134 | 62 | 19 | R200/R260/R260Mn/R300HT | 56.03 |
| 56E1 (BS113Lb) | TS EN 13674-4 | 158.75 | 140 | 69.85 | 20 | R200/R260/R260Mn/R300HT | 56.3 |
| 60E1 (UA 60) | TS EN 13674-4 | 172 | 150 | 72 | 16.5 | R200/R260/R260Mn/R300HT | 60.21 |
| 60E2 | TS EN 13674-4 | 172 | 150 | 72 | 16.5 | R200/R260/R260Mn/R300HT | 60.03 |
3. Japanese JIS Rails
- Rails zoo li15KG, 22KG, 30A, 37A, 50N, CR73, CR100sivnruab nrab mus rau siab - carbon steelsnrog tswj manganese cov ntsiab lus.
- Tsim los rau kev thauj khoom hauv zos thiab ib puag ncig yam.
| Txheem: JIS E 1103/1101 | ||||||
|---|---|---|---|---|---|---|
| Loj | Qhov Loj (mm) | Qhov hnyav (kg / m) |
Ntev (m) | |||
| Lub taub hau | Qhov siab | Hauv qab | Thickness | |||
| JIS 15 KG | 42.86 | 79.37 | 79.37 | 8.33 | 15.2 | 9-10 |
| JIS 22 KG | 50.8 | 93.66 | 93.66 | 10.72 | 22.3 | 9-10 |
| JIS 30 A | 60.33 | 107.95 | 107.95 | 12.3 | 30.1 | 9-10 |
| SIB 37A | 62.71 | 122.24 | 122.24 | 13.49 | 37.2 | 10-25 |
| JIS 50 N | 65 | 153 | 127 | 15 | 50.4 | 10-25 |
| HWV 73 | 100 | 135 | 140 | 32 | 73.3 | 10-12 |
| CR 100 | 120 | 150 | 155 | 39 | 100.2 | 10-12 |
4. AREMA/ASCE Rails (USA)
- Qib xws li115 Ib., 136yog carbon-manganese lossis alloy steels.
- Lub zog, toughness, thiab hnav tsis kam yog txhais los ntawm cov lej qib es tsis yog tshuaj lom neeg muaj pes tsawg leeg.
| 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 | |
5. Lwm yam Alloyed Rails
Qee cov tsheb ciav hlau suav nrogchromium los yog micro- alloying ntsiablos txhim kho hardness, hnav tsis kam, thiab qaug zog lub neej.
Feem ntau siv hauvcrane rails, mining rails, los yog huab cua ib puag ncig.
Raws li tus kws tshaj lij rail fastener tsum,GNEE RAILtuaj yeem muab cov qauv hlau sib txawv xws li GB, Asmeskas, BS, UIC, DIN, JIS, Australian thiab South Africa uas siv hauv kev tsheb ciav hlau, cranes thiab thee mining.
