- Heavy rail is the production of nominal weight greater than or equal to 30kg / m rail steel, requiring higher toughness, wear resistance, resistance to crushing and resistance to brittle fracture. Production process quality requirements are strict, in addition to ensuring its chemical composition, but also requires inspection of mechanical properties, drop hammer test and acid corrosion low times the organization of the test.
- It is mainly used as 10-20 tons of travelling cars, overhead cranes, cranes, special rails, and power plants, coal feeder lines, etc.
- Rail material: 45MN, 71MN.
- Rail specification:50kg/m,43kg/m,38kg/m,33kg/m.
- Standard: GB2585-2007
- Length: 12.5m, 25m
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