Cov kev pabcuam lub neej ntawm cov nqaj hlau ncaj qha cuam tshuam rau cov nqi kev khiav hauj lwm thiab kev thauj mus los nyab xeeb, thiab yog qhov teeb meem tseem ceeb ntawm kev ua kom pom tseeb.
Thawj cov kev txiav txim siab ntawm lub neej nyob rau hauv lub neej zoo 50kg khoom siv los tsim cov tshuaj uas tsim nyog los txhim kho cov kev coj ua kom zoo thiab tawv ntawm 50kg Ntsia .} Thaum lub sijhawm ua haujlwm sib txuas ua ke, thiab muab cov qauv kev soj ntsuam sab hauv thiab kev soj ntsuam kev kuaj tsheb
| Siv khoom siv tshuaj lom neeg% | |||||||||||
| Kos | C | S1 | Mn | P | S | ||||||
| U71mn | 0.65-0.77 | 0.15-0.35 | 1.0-1.5 | ＜0.040 | ＜0.040 | ||||||
Kev siv ib puag ncig yog qhov tseem ceeb sab nraud ntawm kev sib tw ntawm cov nqaj hlau xws li cov tsheb ciav hlau hnyav thiab cov roj hmab uas hnyav dua yuav ua kom muaj tsheb nqaj hlau ceev; Cov kab nqes loj loj thiab me me scrotrius ntawm roob railways thiab kev sib tw ua kom muaj kev ntxhov siab thiab muaj kev sib raug zoo {}}} Piv txwv, hauv a corrosive ib puag ncig, corrosion-resistant alloy rails yuav tsum tau siv los yog kev kho kom muaj kev puas tsuaj ib puag ncig rau cov kev sib tw ib puag ncig kev sib tw {8}
Kev saib xyuas kev tshawb fawb yog ib qho tseem ceeb ntawm kev txuas lub neej ntawm cov nqaj hlau kom pom tseeb kom pom cov kev phom sij tawm kom sai li sai tau pom cov kev tawg tawm thiab kev ua kom zoo nkauj; Qhia kom nruj thiab kho cov khaub ncaws hnav thiab deformed kev muag khoom kom cov ciav hlau kom du; tsim nyog kho lub sleeper spacing, ceev cov fwj dej, thiab ua kom pom kev sib tw ua kom zoo thiab ua kom tiav cov txiaj ntsig kev lag luam thiab kev ua haujlwm nyab xeeb {}}
Raws li tus kws tshaj lij kev lag luam hauv tshav pob thoob ntiaj teb,Gnee Railtau ntev tau cog lus rau kev muag khoom thoob ntiaj teb thiab kev pabcuam ntawm kab kev tsheb ciav hlau kom tau raws li cov khoom lag luam zoo nkauj nrog cov kev xav tau ntawm cov tsheb ciav hlau sib txawv ntawm cov tsheb ciav hlau.