Railway Fast Clips - Scenario-Specific Customized Specifications
|
Model Code |
Application Scenario |
Customized Design Features |
Key Dimensions (mm) |
Material & Surface Treatment |
Core Performance Indicators |
Installation Tool |
|
FC-HSR350 |
High-Speed Rail (≥350km/h) |
Streamlined leg (reduced air resistance); Integrated anti-loosening notch |
Wire Diameter:14; Height:42; Opening Width:20 |
65Si2MnWA + Epoxy Powder Coating (80μm) |
Elastic Recovery Rate:≥96%; Fatigue Life:≥1.2×10⁷ cycles |
Digital Torque Wrench (50–60N·m) |
|
FC-HD40 |
Heavy-Haul Freight (Axle Load 40t) |
Thickened leg (7.0mm); Wear-resistant alloy contact surface |
Wire Diameter:16; Height:48; Opening Width:23 |
55SiMnMo + Zinc-Aluminum Coating (20μm) |
Toe Load:18–22kN; Tensile Strength:≥1500MPa |
Heavy-Duty Pneumatic Wrench |
|
FC-METRO20 |
Urban Metro (Underground) |
Insulated nylon sleeve (thickness 3mm); Corrosion-resistant core |
Wire Diameter:13; Height:38; Opening Width:18 |
60Si2MnA + Dacromet Coating (15μm) |
Insulation Resistance:≥10⁸Ω; Salt Spray Resistance:≥600h |
Electric Impact Wrench (40–50N·m) |
|
FC-MINE30 |
Mining Railway (Dust/Acid) |
Sealed leg structure; Acid-resistant PTFE coating |
Wire Diameter:15; Height:45; Opening Width:21 |
304 Stainless Steel + Electropolishing |
Acid Immersion Resistance:≥500h; Dust Proof Grade:IP65 |
Anti-Corrosion Pneumatic Wrench |
|
FC-LIGHT12 |
Light Rail (Tram) |
Lightweight hollow leg; Color-coded head (blue for 12kg/m rail) |
Wire Diameter:12; Height:32; Opening Width:16 |
50CrVA + Zinc Plating (10μm) |
Installation Force:≤25N·m; Weight:160g/pc |
Manual Torque Wrench (30–40N·m) |
Railway Fast Clips - Quality Inspection & Compliance Standards
|
Inspection Category |
Test Item |
Test Method |
Acceptance Criterion |
Compliance Standard |
Detection Equipment |
Sampling Ratio |
|
Mechanical Performance |
Tensile Strength |
Tensile testing machine (GB/T 228.1) |
≥1400MPa (for heavy-haul models); ≥1200MPa (for light rail models) |
GB/T 1222; ASTM A913 |
Electronic Tensile Tester |
1% per batch (min. 5pcs) |
|
Fatigue Life |
Fatigue testing machine (UIC 515-4) |
≥10⁷ cycles (35–60N·m cyclic load, no crack) |
UIC 864-3; DIN 536 |
Servo Hydraulic Fatigue Tester |
0.5% per batch (min. 3pcs) |
|
|
Elastic Deformation |
Displacement sensor (ISO 7438) |
Permanent deformation ≤0.5mm after 5000 load cycles |
ISO 7438; BS EN 13146 |
Laser Displacement Meter |
2% per batch (min. 10pcs) |
|
|
Corrosion Resistance |
Neutral Salt Spray |
Salt spray chamber (ISO 9227) |
≥500h (no red rust for general models); ≥800h (coastal models) |
ISO 9227; GB/T 10125 |
Programmable Salt Spray Tester |
1% per batch (min. 5pcs) |
|
Acid Spray |
Acid spray chamber (ASTM G85) |
≥300h (no corrosion for mining models) |
ASTM G85; DIN EN ISO 9227 |
Acid-Resistant Spray Tester |
0.5% per batch (min. 3pcs) |
|
|
Dimensional Accuracy |
Wire Diameter |
Digital micrometer (GB/T 1958) |
Tolerance: ±0.1mm (critical models); ±0.15mm (general models) |
GB/T 1958; ISO 8015 |
Digital Micrometer (0.001mm precision) |
5% per batch (min. 20pcs) |
|
Opening Width |
Vernier caliper (JIS B0601) |
Tolerance: ±0.2mm (all models) |
JIS B0601; BS EN 12642 |
Vernier Caliper (0.02mm precision) |
5% per batch (min. 20pcs) |
|
|
Material Compliance |
Chemical Composition |
Spectrometer (GB/T 4336) |
Match material grade requirements (e.g., 60Si2MnA: C 0.56-0.64wt%) |
GB/T 4336; ASTM E415 |
Optical Emission Spectrometer |
0.1% per batch (min. 2pcs) |
gnee-professional supplier
Hot Tags: railway fast clips fastening, China railway fast clips fastening manufacturers, suppliers, factory, rail clip conductive coating, rail clip plastic coating, rail clip surface finish, rail clips, steel rail clips, weatherproof rail clip coating
