• China Manufacturer Direct Supply QU80 QU70 Steel Rail Crane Rail U71Mn

IMRI supplies both heavy rail and light rail.Crane rail is a kind of heavy rail, its height is lower, the head width and the waist thickness size is larger.It is used for laying crane track and trolley track. The steel rails we supply are widely used in railway engineering, vehicles, bridges, mechanical engineering, infrastructure construction and so on.

Specifications:

Standard YB/T 5055
Grade/Material U71Mn,U75V,U78CrV,U77MnCr,U76CrRE
Model Number QU80/QU100/QU120
Weight Customized
Length 6m-25m
Packing Bundling
Fastening We can supply Joint bar,Rail anchor,spike&bolt,and other OEM products
Technique Hot Rolled
Application Crane rail
Train speed 200km/h
Processing Drill hole according to your requirement
Place of Origin China
MOQ 400tons
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,
Australia…(shipping)

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)

Grade Chemical Composition (mass fraction) %
C Si Mn Cr V P S
U71Mn 0.65-0.76 0.15-0.58 0.70-1.40 ≤0.035 ≤0.030
U75V 0.71-0.80 0.50-0.80 0.75-1.05 0.04-0.12 ≤0.035 ≤0.030
U78CrV 0.72-0.82 0.50-0.80 0.70-1.05 0.30-0.50 0.04-0.12 ≤0.035 ≤0.030
U77MnCr 0.72-0.82 0.10-0.50 0.80-1.10 0.25-0.40 ≤0.035 ≤0.025
U76CrRE 0.71-0.81 0.50-0.80 0.80-1.10 0.25-0.35 0.04-0.08 ≤0.035 ≤0.025
Rail tensile strength and elongation after break
Grade tensile strength Rm/MPa elongation after break  A/%
U71Mn ≥880 ≥9
U75V ≥980 ≥9
U78CrV ≥1080 ≥8
U77MnCr ≥980 ≥9
U76CrRE ≥1080 ≥9
Note: in the sample test of hot saw, the allowable elongation after fracture is 1% lower than the specified value (absolute value).
Railway rails we produce
Varieties Specifications Steel grade Standard
Rail for Railway 43kg/m,50kg/m U71Mn,U75V,U76CrRE,U20Mn TB/T2344-2012
60kg/m,75kg/m TB/T3276-2011
UIC54/UIC60 900A Agreement
54E1/60E1 R260 EN13674-1:2011
115RE/136Re SS AREMA 2014
Switch Rail 50AT/60AT U71Mn,U75V,U76CrRE TB/T2635-2004
Head Hardened Rail 50kg/m,60kg/m,75kg/m U71Mn,U75V,U76CrRE TB/T2344-2012
UIC54/UIC60 900A Agreement
54E1/60E1 R350HT EN13674-1:2011
Crane Rail QU80/QU100/QU120 U71Mn YB/T5055-93

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