HDG Railway Chair Screw
- Commodity name: HDG Railway Chair Screw
- Description
-
Materials: Steel Q235,35#,45#; Alloy Steel 40Cr,42CrMo,35CrMo
Grade: 3.6/4.6/4.8/5.6/5.8/6.8/8.8/10.9/12.9
Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating
Material Refer to: DIN 17221,BS 970, GB/T 4357, GB/T 4358
Packing: Less than 25KG per double layer woven bag in fumigation free pallet
MOQ: 3000 Piece/Pieces
Supply ability: 5000 Ton/Tons per Month
Delivery: within 20 working days
Zinc Plated Railway Chair Screw
Name
Chair Screw/ Sleeper Screw/ Screw spike
Type
Ss5.-150
V20-135
Ss8-140
V23-115
Ss8-150
V23-135
Ss8-160
V23-155
Ss23-160
V23-215
Ss25.-165
V26-115
Ss35.-161
Or the type by customers’ drawings
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
Cold bending: 90 degree without crack
Cold bending: 90 degree without crack
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
Why choose us
01 Your one stop railway fasteners supplier. With over 25 catagories and 500 items, we manufacture railway fasteners and rail car components, can meet your customized requirements in details.
02 Reasonable and competitive prices without sacrificing quality. We do every step from purchasing material to shipment all by our effective team so our prices are the most competitive under same quality.
03 Stable lead time: match your different schedule of different products. Normally 20-30 days is available in producing, inspection, and packing.
04 We attach importance to product safety. We care about the safety of using our products, with all our workers and technicians working together, it is guaranteed that our railway products reach the international standards, such as AREMA,EN,GB, BS, UIC, DIN, JIS,etc.Our Services
For standard railway parts, we manufacture and deliver fast.
For customized parts, we could take measurements on your samples and make drawings, manufacture all railway and some construction fasteners as below:
Rail Elastic Clip and Rail Clamp, High Tensile Bolt with Nut and Washer, Rail Base Plate, Tie plate, Rail Chair, Rail Fish Plate, Fish Bolt with Nut and Washer, Rail Shoulder, Rail Screw and Spike, Rail Insulator, Rail Plastic Dowel, Aluminum Vortok Sprial, Rubber and EVA Pad, Rail Crane Rail and Light Rail, Steel Sleeper, Auto Bolt, Fundation bolt/Segment Bolt, Huck Bolt and Other spare parts.

Company Information
Kunshan Alex Railway Fastening Co., Ltd manufactures nearly all kinds of railway fasteners and various standard rail car components. As one of the leading railway fasteners manufacturer in China, we are ISO 9001:2015 certificated, with our skilled workers, sufficient processing capacity and professional service, our products have been widely exported to North America, South America, Japan, Korea, Germany, Spain, Italy, Belgium, Poland, Kazakhstan, Pakistan, Australia, India, Indonesia, Srilanka, Mongunia and South Africa etc.
Except some standard railway fasteners, which can be provided in very short time, all products can be customized according to customers' drawings and samples. Our main products are as follows:
1. Railroad spike/Screw spike/Coach screw/Drive screw/Sleeper Screw, Track spike/Cut spike/Dog spike/Lock spike/,etc.
2. Rail clip/ Tension clamp/ E clip/ PR clip/ SKL clip/ elastic clip/ Deenik clip/Russia clip
3. Track bolt/ T bolt / Rail bolt/ Clamp bolt/ Inserted bolt/ Clip bolt/ Fish bolt/ Square bolt/ Rod bolt /Rail joint bolt
4. Swivel Bolts/ U bolts/ J bolts/ Anchor bolts/ Foundation bolts/ Stud bolts/ Rod bolts/ Curved segment bolts/ Tunnel bolts
5. Rail chair/ Tie plate/ Base plate / Rail plate/ Rail fixing base
6. Fish plate / Joint bar / Rail joint/ Splice Bar
7. Clamp plate/ Rail spring clamp/ Anchor plate/ Steel clip/ Nabla clip/ RN clip
8. Rail Shoulder/ Rail sleeper Inserts/ Rail Anchors for rail sleepers
9. Rail insulator/ Rail plastic dowel / Guide plate/ Nylon insert/ Aluminum Vortok Sprial
10. Rail Pads/ Sole plate/ Sole pad
We want to assist customers to maintain a competitive advantage in the construction and maintenance of railways, to improve customer service efficiency.

Key words:
Screw spike