10.9 Grade 40Cr Steel Oxide Black Screw Spike Railway Spike Insert Plastic Dowel Railway Fasteners
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.
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Name |
10.9 Grade 40Cr Steel Oxide Black Screw Spike Railway Spike Insert Plastic Dowel Railway Fasteners |
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Type |
Ss5.-150 |
V20-135 |
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Ss8-140 |
V23-115 |
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Ss8-150 |
V23-135 |
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Ss8-160 |
V23-155 |
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Ss23-160 |
V23-215 |
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Ss25.-165 |
V26-115 |
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Ss35.-161 |
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Or the type by customers’ drawings |
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Grade |
4.6 |
5.6 |
8.8 |
10.9 |
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Material |
Q235 |
35# |
45# |
40Cr |
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Mechanical properties |
Tensile strength: ≥400Mpa |
Tensile strength: ≥500Mpa |
Tensile strength: ≥800Mpa |
Tensile strength: ≥1000Mpa |
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Yield strength:≥240Mpa |
Yield strength:≥300Mpa |
Yield strength:≥640Mpa |
Yield strength:≥900Mpa |
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Elongation:≥22% |
Elongation:≥20% |
Elongation:≥12% |
Elongation:≥9% |
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Cold bending: 90 degree without crack |
Cold bending: 90 degree without crack |
Cold bending: 90 degree without crack |
Cold bending:
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