ZhongYue railway hex head screw spike dog spikes for railway maintenance

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:

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

1. Raw material
2. Cutting
3. Head forming
4. Heat treatment
5. Surface treatment
6. Final inspection
7. Packing
8. Shippment.

Inspection machine

1. Brinell Hardness Tester
2. Carbon and Sulfur Analyzer
3. Rockwell Hardness Machine
4. Automatic Impact Testing Machine
5. Metallographic Microscope
6. Automatic High-speed Analyzer
7. Fatigue Testing Machine
8. Metallographic Specimen Polishing Machine
9. Metallographic Specimen Pointing Machine