Description
Technical Parameters
Railway Fast Clips - Material & Manufacturing Process Parameters
| Model | Material Grade | Chemical Composition (Wt. %) | Heat Treatment Process | Mechanical Properties | Manufacturing Process | Dimensional Tolerance |
|---|---|---|---|---|---|---|
| FC-13A | 60Si2MnA | C: 0.56-0.64; Si: 1.50-2.00; Mn: 0.60-0.90; P≤0.035; S≤0.035 | Quenching (860-880℃, water cooling) + Tempering (420-440℃, air cooling) | Tensile Strength: ≥1570MPa; Yield Strength: ≥1370MPa; Hardness: HRC 45-50 | Cold forming (wire drawing → bending → trimming) | Wire Diameter: ±0.1mm; Height: ±0.3mm |
| FC-15B | 55SiMnMo | C: 0.52-0.60; Si: 0.60-0.90; Mn: 1.00-1.30; Mo: 0.15-0.25; P≤0.030; S≤0.025 | Quenching (850-870℃, oil cooling) + Tempering (400-420℃, air cooling) | Tensile Strength: ≥1450MPa; Yield Strength: ≥1250MPa; Hardness: HRC 43-48 | Hot forming (forging → shaping → heat treatment) | Wire Diameter: ±0.2mm; Height: ±0.4mm |
| FC-14HS-C | 65Si2MnWA | C: 0.62-0.70; Si: 1.60-2.00; Mn: 0.70-1.00; W: 0.80-1.20; P≤0.030; S≤0.025 | Quenching (870-890℃, water cooling) + Tempering (430-450℃, air cooling) | Tensile Strength: ≥1600MPa; Yield Strength: ≥1400MPa; Hardness: HRC 46-51 | Precision cold rolling → CNC bending → stress relieving | Wire Diameter: ±0.08mm; Height: ±0.2mm |
| FC-12M-D | 45MnSiV | C: 0.42-0.50; Si: 1.10-1.40; Mn: 1.00-1.30; V: 0.08-0.15; P≤0.035; S≤0.035 | Quenching (840-860℃, water cooling) + Tempering (380-400℃, air cooling) | Tensile Strength: ≥1350MPa; Yield Strength: ≥1150MPa; Hardness: HRC 42-46 | Hot rolling → bending → shot peening | Wire Diameter: ±0.15mm; Height: ±0.35mm |
Railway Fast Clips - Performance Comparison Across Regional Standards
| Regional Standard | Typical Model | Corrosion Resistance Requirement | Fatigue Life (Load Cycles) | Elastic Recovery Rate | High-Temperature Resistance | Low-Temperature Resistance |
|---|---|---|---|---|---|---|
| GB/T 12611 (China) | FC-13A, FC-14HS-C | Neutral salt spray test: ≥500h (no red rust); Coating adhesion: ≥5MPa | ≥10⁷ (35-50N·m cyclic load) | ≥95% (after 5000 load cycles) | 75℃ (1000h, no deformation) | -40℃ (100h, no brittle fracture) |
| UIC 864-3 (Int'l) | FC-15B | Neutral salt spray test: ≥600h (no red rust); Coating thickness: ≥80μm (hot-dip galvanizing) | ≥1.2×10⁷ (40-55N·m cyclic load) | ≥96% (after 5000 load cycles) | 70℃ (1000h, no deformation) | -45℃ (100h, no brittle fracture) |
| DIN 536 (Germany) | FC-14HS-C | Neutral salt spray test: ≥550h (no red rust); Dacromet coating: ≥12μm | ≥9×10⁶ (45-60N·m cyclic load) | ≥94% (after 5000 load cycles) | 80℃ (1000h, no deformation) | -35℃ (100h, no brittle fracture) |
| AREMA (USA) | FC-12M-D | Neutral salt spray test: ≥400h (no red rust); Zinc-nickel plating: ≥10μm | ≥8×10⁶ (30-45N·m cyclic load) | ≥93% (after 5000 load cycles) | 85℃ (1000h, no deformation) | -30℃ (100h, no brittle fracture) |
gnee-professional supplier
Hot Tags: fastening fast rails, China fastening fast rails manufacturers, suppliers, factory, rail clip adjustment, rail clip ceramic coating, rail clip magnetic coating, rail clip rubber coating, rail clip unlocking, rail fastening clips
