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ASTM Standard Hot Dip Galvanized Railway Sleeper Fixing Screws /
Rail Road Spikes
Railway screw spikes provide a mechanical interlock that delivers
more than twice the holding power of conventional hammered railway
spikes. Screw spikes are commonly used to fasten timber railway
ties sleepers; however, they can also be used in conjunction with
plastic ferrules that have been cast into concrete
ties/sleepers.Various thread profiles, lengths, diameters and drive
heads are available to suit specific geographic requirements and
Suyu can help with product specification and selection.
Name | ASTM Standard Hot Dip Galvanized Railway Screw Spike Insert Sleeper Railway Screw | |||
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: | Tensile strength: | Tensile strength: | Tensile strength: |
Yield strength:≥240Mpa | Yield strength:≥300Mpa | Yield strength:≥640Mpa | Yield strength: | |
Elongation:≥22% | Elongation:≥20% | Elongation:≥12% | Elongation:≥9% | |
Cold bending: | Cold bending: | Cold bending: | Cold bending: | |
Surface | plain (oiled), Oxide black, Zinc, HDG, wax, bitumen, Dacromet, Sherardizing | |||
Standard refers | ISO898-1, UIC864-1, and NF F500-50 |
Production Process
Raw material —— Wiredrawing —— Cutting the wire rod to length ——
forming the head —— cutting Edge —— Thread rolling —— Heat
Treatment —— Surface treatment —— Final inspection —— Packaging ——
Shipment