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ZhongYue railway China supplier lock spike rail track spikes
Introduce
Railway dog spike is a large nail with an offset head that is used to secure rails and base plates to the sleepers in track.
Description
Grade | 4.6 | 5 .6 | 8.8 |
Material | Q235 | 35# | 45# |
Mechanical | Tensile strength: ≥ 400Mpa | Tensile strength: ≥ 500Mpa | Tensile strength: ≥ 800Mpa |
Yield strength: ≥ 240Mpa | Yield strength: ≥ 300Mpa | Yield strength: ≥ 640Mpa | |
Elongation: ≥ 22% | Elongation: ≥ 20% | Elongation: ≥ 12% | |
Cold bending: 90 degree | |||
without crack | |||
Surface | plain (oiled) , Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | ||
Standard refers | ISO898-1, UIC864-1, and NF F500-50 |
Note (4.8 as a sample)
the first 4: tensile strength of material Q235 is 400MPa;
the second 0.8: the yield ratio is 0.8;
the yield strength of material Q235 is 400MPa x 0.8 =320 MPa.
MOQ: 1.0MT per model
Packing: 25Kg plastic bags and wooden pallets or according to clients' requirement
Process
Surface Treatment
Inspection machine