China Coal Factory which specialized in all kinds of rail fastening systems,rail joints,rail clips,dog spikes,track bolts,tie plate,rail anchors,rail pad,rail clamp,rail shoulder,rail turnout,rail rod etc
China Coal Factory which specialized in all kinds of rail fastening systems,rail joints,rail clips,dog spikes,track bolts,tie plate,rail anchors,rail pad,rail clamp,rail shoulder,rail turnout,rail rod etc
Over 42 years' experience and solutions for global end users, our fasteners are well used to ensure the rail track maintaining same properties all the time, especially the tension clamps with super dynamic fatigue strength and holding force to guarantee the safe operation of the rails even under special conditions, which lower the maintenance cost and frequency for the end users.
Chemical composition: | C :3.70~4.00% | Mechanical properties: | Tensile strength : σb (MPa):≥450 |
Si:2.15~2.93% | Conditional yield strength :σ0.2 (MPa):≥310 | ||
Mn:0.46~0.66% | elongation :δ (%):≥10 | ||
S :0.010~0.016% | hardness :160~210HB | ||
P :0.027~0.035% | |||
Mg:0.027~0.050% | |||
Re:0.0260.043% | |||
Carbon equivalent : 4.3~4.6 |
All messages