Railway Sleeper Screws Fasteners 90 degree without crack TUV

 

 

ZHONGYUE can supply a range of rail sleeper screw spikes manufactured to international standards according to BS, ASTM and DIN, among others. ZHONGYUE has extensive experience in the rail industry and a high level of expertise in this specialized field. ZHONGYUE can manufacture any quantity, big or small, and offers a range of finishes including hot dipped galvanized, black, sherardized or self color for the budget conscious.

 

Rail sleeper screw spikes are used to fasten sole plates and ribbed base plates to wooden sleepers. In rail construction with the concrete sleepers, the rail sleeper screw is used in combination with a plastic dowel pressed in the concrete sleeper, indirect or direct fastenings of rails on concrete and wooden sleepers. Characteristically, the sleeper screw thread may only be produced in a hotforming operation. The different shapes of the head correspond to the pass form of the respective spanner used for fastening and loosening of the rail sleeper screws.

 

The screw spike costs more to manufacture than the dog spike or dog nail, but has the advantage of greater fixing power; approximately twice that of a dog spike, and can be used in combination with spring washers.
 

ISO Railway Sleeper Screw non standard Q235 / 35# / 45# Grade 4.6 / 5.6 / 8.8

 

Material

 

Material
Grade	4.6	5.6	8.8	10.9
Material	Q235	35#	45#	40Cr
Mechanical properties	Tensile strength: ≥400Mpa	Tensile strength:≥500Mpa	Tensile strength:≥800Mpa	Tensile strength:≥1000Mpa
	Yield strength:≥240Mpa	Yield strength:≥300Mpa	Yield strength:≥640Mpa	Yield strength:≥900Mpa
	Elongation:≥22%	Elongation:≥20%	Elongation:≥12%	Elongation:≥9%
	Cold bending: 90 degree without crack
Surface	plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing

 

Note ( 8.8 as a sample)

the first 8: tensile strength of material 45# is 800MPa;

the second 0.8: the yield ratio is 0.8;

the yield strength of material 45# is 800MPa x 0.8 = 640 MPa.

MOQ: 5000PCS
Packing: 25Kg plastic bags and wooden pallets or according to clients' requirement

 

 

Process

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

 

 

Surface Treatment

1. plain (oiled)
2. color paint
3. oxide Black (most choice)
4. galavazing
5. DHG

 


 

 

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

 

Package

 

1. 25kg per double layer woven bag+ free fumigation wooden pallet

    36bags/pallet,

    24pallets/container

2. Keg

3. in according with your request