    
Steel Rail for railways, profile: 43kg/m, 50kg/m, 60kg/m, 75kg/m, P65, UIC54, UIC60, JIS50, 90RE, 100RE, 115RE, 136RE, 50N, BS75A, BS90A, BS100A, AS60, Used for passenger & freight railway, high-speed railway, heavy-haul railway, urban transit line, and railway in high-altitude and frigid highlands.
  Turnout (switch) rail, profile: 50AT1, 60AT1, 60AT2, 60TY1, BT76, used for swtich rail, swing nose rail, wing rail, and other key parts.
 
Crane Rail, profile: QU70, QU80, QU100, QU120, CR175, used for special rails at harbor, workshop, construction site, and mechanical storage warehouse. Grooved Rail, profile: 59R2, 60R2, used for urban metro line, city line, tram line, etc.
 
Steel Grade |
Features |
U71Mn |
High-carbon steel HCS, high purity steel of Class 880MPa, featuring improved tensile and hardness by increased proportion of Mn, used for high speed railway. |
U75V |
High-carbon steel HCS, High tensil steel of class 980Mpa, featuring improved tensile and hardness by increased proprotion of V, used for freight railway. |
U76CrRE |
High-carbon steel HCS, high tensil steel of class 1080Mpa, featuring improved tensile and hardness by increased content of rare earths, used for heavy-haul railway. |
U75CrV |
High performance steel, high tensil steel of class 1280Mpa after heat treatment. Suitalbe for curved heavy-haul line. |
U20Mn |
Low alloy Bainitic steel, featuring high performance of wear resistance by increased alloy elements and modified microstructure, used for abrasive resistance rail. |
900A |
High-carbon steel HCS, featuring higher tensile and hardness, used for exported rails. |
Chemical Composition&Mechanical Properties
Steel Grade |
C |
Si |
Mn |
P |
S |
Cr |
V |
Tensile Strength(N/mm2) |
Elongation A(%) |
Runing face hardness
(HBW10/3000) |
U71Mn |
0.65-0.76 |
0.15-0.58 |
0.70-1.20 |
≤0.030 |
≤0.025 |
- |
- |
≥880 |
≥10 |
260~300 |
U75V |
0.71-0.80 |
0.50-0.80 |
0.75-1.05 |
≤0.030 |
≤0.025 |
- |
0.04-0.12 |
≥980 |
≥10 |
280~320 |
U76CrRE |
0.71-0.81 |
0.50-0.80 |
0.80-1.10 |
≤0.025 |
≤0.025 |
0.25-0.35 |
0.04-0.08 |
≥1080 |
≥9 |
310~360 |
U78CrV(PG4) |
0.72-0.82 |
0.50-0.80 |
0.70-1.05 |
≤0.025 |
≤0.025 |
0.30-0.50 |
0.40-0.12 |
≥1280 |
≥10 |
370-420 |
900A |
0.60-0.80 |
0.10-0.50 |
0.80-1.30 |
≤0.04 |
≤0.04 |
- |
- |
880-1030 |
≥10 |
260~300 |
U20Mn |
0.17-0.22 |
0.70-0.90 |
2.20-2.40 |
≤0.025 |
≤0.015 |
0.85-1.05 |
- |
1250-1400 |
≥9 |
≥380 |
Length of steel rail
Rail class 43kg/m |
Rail class 50kg/m、60kg/m |
Rail class 75kg/m |
12.5m、25m |
12.5m、25m、100m |
25m、75m、100m |
Packing & shipment
  
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