CAST IRON HEXAGONAL WEIGHT

1. General Description

Cast Iron Hexagonal Weights are designed for routine testing, verification, and calibration of industrial weighing scales such as platform scales, weighbridges, and heavy-duty balances. The hexagonal shape prevents rolling, ensuring safe handling and stable placement.

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2. Standards & Accuracy

• Standard Compliance: OIML R-111

• Accuracy Class: M1 / M2 (as specified)

• Legal Metrology: Suitable for verification & stamping

• Intended Use: Field and industrial calibration

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3. Nominal Weight Range

• 1 kg

• 2 kg

• 5 kg

• 10 kg

• 20 kg

• 50 kg

• 100 kg
  (Higher capacities up to 1000 kg available on request)

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4. Metrological Tolerances (Typical)

(As per OIML R-111)

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5. Material Specifications

• Material: High-grade Cast Iron

• Density: ~7200 kg/m³

• Manufacturing Process: Sand casting with stress relief

• Hardness: Suitable for long-term industrial use

• Corrosion Protection: Anti-rust coating / black enamel paint

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6. Construction Details

• Shape: Hexagonal (non-rolling design)

• Top Feature:

  • Lifting handle / eye bolt (for ≥20 kg)

• Surface Finish: Smooth machined contact faces

• Marking:

  • Nominal weight value

  • Accuracy class

  • Manufacturer identification

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7. Dimensional Stability

• Thermal Expansion:
  ~10 × 10⁻⁶ /°C

• Stability:
  Suitable for rough and field environments

• Long-term Drift:
  Within OIML limits under proper storage

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8. Environmental Conditions

• Operating Temperature: –10°C to +50°C

• Relative Humidity: ≤ 90% RH (non-condensing)

• Usage Environment: Indoor / outdoor (protected from direct rain)

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9. Handling & Safety

• Hexagonal shape prevents rolling

• Gloves recommended for handling

• Lifting handle / eye bolt for heavy weights

• Forklift handling possible for ≥100 kg weights

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10. Calibration & Certification

• Factory calibration available

• Legal Metrology stamping provision

• Calibration certificate (traceable / legal) available on request

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11. Storage & Packaging

• Wooden pallet / crate for heavy weights

• Individual marking and protective coating

• Stackable design for easy storage

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12. Applications

• Platform scale testing

• Weighbridge calibration

• Industrial quality control

• Legal Metrology inspections

• Warehouse & logistics verification

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13. Compliance Summary

• ✔ OIML R-111 compliant

• ✔ Legal Metrology suitable

• ✔ Rugged & non-rolling design

• ✔ Cost-effective industrial standard