China DHS35 Rail Spike, DHS35 Screw Spike, DHS35 Rail Scew for W14R Fastening System Producer
3 Automatic rail spike production lines realize fully automatic of loading, unloading, hot forming, hot threading of spikes, the maximum output is 30,000 Pcs/day.
3 Automatic rail spike production lines in Anyang Railway Equipment Co., Ltd realize fully automatic of loading, unloading, hot forming, hot threading of spikes, the maximum output is 30,000 Pcs/day.
DHS35 Sleeper Screw Spikes with Uls7 Washer are mainly used for concrete sleepers. Anyang Railway Equipment Co., Ltd(AT) is also the professional manufacturer of Ss35, Ss36 Screw Spikes with different grades such as 4.6, 5.6 and surface finish as plain oiled, Dacromet, oxide black, hot- dip galvanized and sherardizing.
1. Appearance
The surface should be smooth and clean, and the product identification should meet the requirements of the drawings.
2. Size
Spikes and flat washers meet the design requirements of drawings;
3. Mechanical properties of spike
Physical tensile: tensile strength ≥ 500 Mpa.
Bar test: tensile strength ≥ 500 Mpa, yield strength ≥ 300 Mpa, elongation ≥ 20%.
4. Cold bending performance of DHS35 rail spike
The crack depth of the threaded part after the 30° cold bending test is not greater than 1.0mm, and the anti-rust layer and the superficial layer of the base material are allowed to have slight peeling, wrinkles and cracks.
5. Anti-corrosion coating
Hot-dip galvanizing, Dacromet, galvanizing.
