Dab tsi yog qhov zoo ntawm kev tsim DIN Rail S20 Lub Teeb Rail nrog 55Q steel?
Manufacturing covDIN 5901 S20 lub teeb raillos ntawm 55Q steel-ib siab- zoo carbon structural steel- muab qhov sib txawv ntawm cov hlau thiab cov khoom siv zoo dua li cov qauv hlau zoo li Q235B.Rau lub teeb rail khiav, cov khoom siv hluav taws xob thiab cov khoom siv ntawm 55Q steel ncaj qha mus rau hauv kev txhim kho cov txheej txheem durability, thiab txo qis kev ua haujlwm ntawm lub neej. loads.
Superior Mechanical Strength thiab Load -Bearing Capacity
Lub "55" hauv 55Q qhia txog cov ntsiab lus ntawm cov pa roj carbon monoxide ntawm kwv yees li 0.55%, uas ua rau cov neeg kho tshuab qhov pib ntawm txoj kev tsheb ciav hlau deb tshaj li tus qauv me me:
- Tensile zog (sᵦ):55Q steel muab lub zog tensile ntau dua lossis sib npaug685 MPa ua(69 kg/mm²), hos Q235B yields ib ncig ntawm 370-500 MPa. Qhov kev tiv thaiv siab no tiv thaiv qhov 10 hli nyias lub vev xaib ntawm S20 rail los ntawm flexing lossis deforming nyob rau hauv dynamic lateral rog.
- Yield Strength (σₛ):Nrog lub zog tawm losNtau dua lossis sib npaug li 390 MPa,55Q steel ua kom ntseeg tau tias txoj kev tsheb ciav hlau tswj nws cov kev txwv tsis pub dhau lub log siab tshaj plaws. Nws tiv taus cov yas deformation mus tas li (khoov lossis sagging) thaum raug rau hauv zos crane trolley hnyav.
| 55Q | Cov cuab yeej cuab tam | Tshuaj muaj pes tsawg leeg (%) | |||||||||
| Yield zog | Tensile zog | Elongation | Hardness | C | Si | Mn | S | P | |||
| MPa | kg/mm² | MPa | kg/mm² | min | HBW | Tsawg dua los yog sib npaug | Tsawg dua los yog sib npaug | ||||
| Ntau dua lossis sib npaug | Ntau dua lossis sib npaug | Ntau dua lossis sib npaug | Ntau dua lossis sib npaug | Ntau dua lossis sib npaug | |||||||
| 685 | 69 | 197 | 0.50-0.60 | 0.15-0.35 | 0.60-0.90 | 0.04 | 0.04 | ||||
2. High Surface Hardness thiab hnav tsis kam
Ib qho ntawm cov ntsiab lus tseem ceeb tshaj plaws hauv cov tsheb ciav hlau yog lub taub hau - tsoo thiab sab - hnav los ntawm kev sib txhuam ntawm flanged steel log.
- Kev ntsuas Hardness:55Q steel ua tiav qhov hardness feem ntau los ntawmHWB 200 to 260nyob rau hauv nws kub -rolled xeev.
- Cov txiaj ntsig ua haujlwm:Qhov kev nyuaj siab no tiv thaiv lub taub hau nqaim 44 hli ntawm S20 rail los ntawm flattening, pitting, los yog nthuav dav tom qab (peening) nyob rau hauv rov ua dua. Nws tiv taus abrasive hnav hauv plua plav- hnyav hnyav xws li mining tunnels lossis chaw tsim khoom.
3. Zoo heev Fatigue Resistance nyob rau hauv Cyclic Loading
Crane lem thiab automated warehousing rails raug rau cyclic, siab - zaus dov loads uas ua rau hlau qaug zog lub sij hawm.
- Lub refined pearlitic-ferritic grain qauv ntawm 55Q carbon steel muaj zog tiv thaiv micro- tawg tawm.
- Nws ncua qhov pib ntawm kev sib cuag qaug zog khaubncaws sab nraud povtseg, tiv thaiv nto spalling (flaking ntawm lub tsheb ciav hlau lub taub hau hlau) thiab tshem tawm cov kev pheej hmoo ntawm kev puas tsuaj ntawm cov txheej txheem thaum lub sij hawm ua hauj lwm.
4.Optimal Balance ntawm Hardness thiab Impact Toughness
Thaum cov ntsiab lus carbon siab nce hardness, nws kuj tuaj yeem ua rau brittleness . 55Q steel daws qhov no los ntawm kev sib npaug tshuaj muaj pes tsawg leeg, nruj me ntsis txwv impurities xws li phosphorus (P Tsawg dua lossis sib npaug li 0.045%) thiab sulfur (S Tsawg dua lossis sib npaug rau 0.045).
- Kev tswj tshuaj lom neeg no ua kom ntseeg tau tias S20 txoj kev tsheb ciav hlau khaws cov kev cuam tshuam txaus.
- Nws tuaj yeem nqus tau cov qauv kev poob siab- xws li cov crane nres tam sim ntawd, thauj khoom poob, lossis lub log slam hla cov pob qij txha ntses - tsis muaj qhov tawg, txawm tias nyob hauv qis dua - qhov kub thiab txias hauv tsev lossis hauv av.
Cov ntsiab lus sib piv: 55Q vs. Q235B rau S20 Rail
| Khoom | Q235B Mild Steel | 55Q Siab -Carbon Steel | Muaj feem cuam tshuam rau S20 Profile |
| Tensile zog | 370 - 500 MPa | Ntau dua lossis sib npaug li 685 MPa | Tiv thaiv cov qauv sib tw thiab lub vev xaib flexing. |
| Brinell Hardness | ~ 140 HWB | 200 - 260 HWB | Drastically txo lub taub hau hnav thiab taug qab pitting. |
| Thawj Siv Case | Cov qauv zoo li qub / Tsawg-load | Dynamic lem / Tsiv lub log | Multiplies taug qab lifespan nyob rau hauv dov khoom. |
Dab tsi yog qhov kev pab cuam lub neej ntawm S20 Lub Teeb Steel Rail ua los ntawm 55Q khoom?
Kev pabcuam lub neej ntawm S20 lub teeb steel rail ua los ntawm 55Q cov khoom feem ntau yog los ntawm8 mus rau 15 xyoonyob rau hauv cov qauv kev lag luam kev lag luam.In nrhiav engineering, lifespan yog ntsuas ntau dua los ntawm kev sib tw tsheb thauj mus los, qhov twg 55Q steel S20 rail xa tag nrho lub neej kev cia siab ntawm 15 txog 25 lab tons ua ntej yuav hloov.
Core Lifecycle Drivers
Ua haujlwm zaus:
- Tsawg- siv cov chaw ua haujlwm tu: tuaj yeem nyob tau 20+ xyoo.
- 24/7 siab - zaus automated warehouses (ASRS): Feem ntau yuav tsum tau hloov hauv 5 mus rau 8 xyoo vim muaj kev qaug zog sai.
Ib puag ncig tej yam kev mob:Sab hauv tsev, qhuav tsim cov plag tsev ua kom cov hlau ntev ntev. Sab nraum zoov khiav, ntug dej hiav txwv, los yog damp mining tunnels muaj kev ceev xeb thiab corrosion, xa me nyuam mus rau 5 mus rau 8 xyoo.
Hnav txwv:Vim tias S20 profile muaj qhov nqaim 44 hli lub taub hau, nws yuav tsum tau muab tshem tawm thiab hloov ib zaug lub taub hau ntsug mus txog qhov txwv kev nyab xeeb ntawm 6 hli txog 8 hli.
FAQ
- Dab tsi ua rau 55Q steel zoo dua rau lub teeb tsheb ciav hlau dua li cov qauv siv carbon steel?
55Q steel yog tsim tshwj xeeb rau kev siv tsheb ciav hlau, uas muaj cov pa roj carbon ntau dua thiab manganese piv ntau dua li cov qauv kev tsim kho steel. Lub hom phiaj tshuaj sib xyaw no muab cov tawv tawv zoo heev (txog 240 HBW) thiab lub zog tensile siab, ua kom lub taub hau tsheb ciav hlau tuaj yeem tiv thaiv kev sib txhuam tsis tu ncua tsis muaj deforming lossis gouging.
- Puas yog 55Q steel muab kev tiv thaiv corrosion txaus rau kev ua haujlwm hauv av?
Thaum 55Q steel yog carbon steel qib optimized rau hnav tsis kam, nws nruj pearlitic microstructure muaj tsim nyog lub hauv paus tiv thaiv atmospheric xeb. Rau cov corrosive los yog acidic underground mining ib puag ncig, GNEE RAIL tuaj yeem qhia tshwj xeeb tooj liab lossis chromium micro-alloys los txhim kho cov hlau tiv thaiv corrosion.
- 55Q S20 steel rail rail yuav ruaj ntseg welded siv cov khoom txheem teb?
Yog lawm, ib qho ntawm cov txiaj ntsig kev ua haujlwm tseem ceeb ntawm 55Q steel yog nws txoj haujlwm zoo heev. Nws tuaj yeem koom tau yooj yim siv cov txheej txheem thermit welding lossis cov txheej txheem electrode arc vuam, muab cov txheej txheem ua ntej - cua sov thiab qeeb - cov txheej txheem cua txias tau pom zoo kom muaj kev sib koom ua ke thoob plaws qhov sib koom ua ke.
- Dab tsi yog qhov nyuaj ntawm qhov chaw ntawm S20 lub teeb rail profile dov los ntawm 55Q steel?
Qhov raug Brinell nto hardness ntawm 55Q S20 kev tsheb ciav hlau nyob nruab nrab ntawm 200 HBW thiab 240 HBW yam tsis muaj kev kho cua sov ntxiv. Qhov kev sib tw hardness no zoo kawg nkaus haum rau lub log hardness ntawm cov qauv teeb pom kev zoo- lub luag haujlwm muaj tsheb thiab mining ore wagons, tiv thaiv ob lub log thiab tsheb ciav hlau los ntawm kev hnav ntxov ntxov.
Tau txais cov lus hais hauv 24 teev
GNEE RAILmanufactures siab -zoo DIN5901 steel rail thiab ua tiav lub teeb khiav infrastructures, tswj loj heev reserves ntawm standard 6-meter thiab 10-meter 20kg lub teeb steel rail units rau ceev mining thiab cov khoom tuav tej yaam num. Peb muab tag nrho -Scope taug qab customization cov kev pab cuam, nrog rau kev cai ntev sawing thiab tailored bolt-qhov drilling, kiag li kev txhawb los ntawm peb cov kab ntau lawm txuam ntawm high-lub zog sib koom tuav tuav, lub hauv paus daim hlau, thiab resilient taug qab clips.
Kom ruaj ntseg ntim-raws li tus nqi luv nqi, thov kev kos duab kos duab ntawm S20 steel rail, lossis tshuaj xyuas cov ntaub ntawv pov thawj, thovtiv tauj pebhnub no los tham ncaj qha nrog peb cov thawj tswj kev thov tshwj xeeb.
