Products Description
Metro segment bolts have a wide range of applications, including building segment connections, shallow-buried longitudinal segment bolts, subway shield construction, subway segment connections, tunnel segment connections, and other projects requiring connection and fastening.
Segment bolts can be classified based on the applied forces, typically categorized into three levels: 5.8 grade (material using Q235), 6.8 grade (material using 45#), and 8.8 grade (material using 40Cr).
Railway Segment Bolt Mechanical Property
| Tunnel Segment Bolt | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mechanical and Physical Properties | Performance Level | ||||||||||||
| 3.6 | 4.6 | 4.8 | 5.6 | 5.8 | 6.8 | 8.8 | 9.8 | 10.9 | 12.9 | ||||
| d≤163) | d＞163) | ||||||||||||
| Nominal Tensile Strength | N/mm2 | 300 | 400 | 500 | 600 | 800 | 800 | 900 | 1000 | 1200 | |||
| Minimum tensile strength | N/mm2 | 330 | 400 | 420 | 500 | 520 | 600 | 800 | 830 | 900 | 1040 | 1220 | |
Railway Segment Bolt Surface treatment：
Gnee Factory - Railroad Track Bolts Photos
Packaging and delivery：
Hot Selling Railway Segment Bolts
Hexagon Head Arc-Shaped Segment Bolts
|
Size |
Grade |
Material |
Surface treatment |
|
φ22×410 |
ISO898 - 1:2009 standard, grade 8.8 |
45# |
Hot dip galvanized, thickness of zinc layer ≥43μm |
|
φ25×395 |
|||
|
φ28×556 |
Natural color |
||
|
φ20×320 |
ISO898 - 1:2009 standard, grade 6.8 |
35# |
Blackening treatment |
|
φ27×440 |
ISO898 - 1:2009 standard, grade 8.8 |
45# |
Mechanical zinc - plating, thickness of zinc layer ≥30μm |
About the Company
who choose us?
Our rail bolts can be treated with hot-dip galvanizing, electro-galvanizing, Dacromet and other anti-corrosion treatments according to project requirements, suitable for special environments such as coastal areas, hot and humid environments, and high salt fog.
one-stop solution
professional team
high quality
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