Fish Plate Quality Control Requirements
| Production Stage | Inspection Parameter | Frequency | Acceptance Criteria |
|---|---|---|---|
| Raw Material | Chemical Composition | Each melt | Meets IS 2706 spec |
| Forging | Dimensional Accuracy | 100% | Within drawing tolerance |
| Drilling | Hole Position | 100% | ±0.3mm accuracy |
| Surface Treatment | Coating Thickness | Each batch | Minimum 65μm |
| Final Inspection | Visual Surface | 100% | No cracks, no defects |
Application Specifications by Rail Section
| Rail Section (kg/m) | Fish Plate Type | Length (mm) | Bolt Size | Weight (kg) |
|---|---|---|---|---|
| 60 kg/m | Standard 6-hole | 820 | M24 | 28.5 |
| 52 kg/m | Standard 6-hole | 720 | M22 | 22.0 |
| 45 kg/m | Standard 4-hole | 600 | M20 | 15.5 |
| 30 kg/m | Light 4-hole | 480 | M18 | 9.5 |

Packaging & Handling
| Package Type | Quantity | Weight | Storage | Handling |
|---|---|---|---|---|
| Wooden Crates | 10 pairs | 570 kg | Dry covered area | Crane/Forklift |
| Steel Racks | 20 pairs | 1140 kg | Weather protected | Mechanical |
| Bulk Packaging | 50 pairs | 2850 kg | Indoor storage | Crane |
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