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- Quality Inspection & Metallurgical Testing Laboratory
Quality Inspection & Metallurgical Testing Laboratory
NABL Standards Aligned Testing for Indian Manufacturing Excellence
Rockwell Hardness Testing for Surface Hardness Validation
Rockwell Hardness Testing is used to verify surface hardness after induction hardening. This method measures resistance to indentation, ensuring that required hardness levels are achieved.
Each component is tested to confirm compliance with specified hardness values before approval.
Rockwell Testing Capabilities Include:
- • Surface hardness verification after induction hardening
- • HRC scale measurement for hardened steel components
- • Batch-wise hardness validation
- • Consistency checks across production runs
- • Documentation of hardness results for traceability
Micro Vickers Hardness Testing for Case Depth Analysis
Micro Vickers Hardness Testing is used to measure hardness across the cross-section of a component. This is important for verifying case depth in induction-hardened parts. Hardness is measured at different depths to ensure consistent metallurgical transformation and accurate case development.
Micro Vickers Testing Benefits:
✔ Accurate case depth measurement,
✔ Hardness profiling across cross-section,
✔ Micro-level indentation testing,
✔ Verification of martensitic transformation,
✔ Support for metallurgical validation reports.
Metallurgical Microscope Analysis for Microstructure Evaluation
Metallurgical microscope analysis is used to examine the internal microstructure of hardened components. This ensures the required martensitic structure is achieved. It also helps detect any irregularities in the structure after heat treatment.
Metallurgical Analysis Covers:
✔ Microstructure examination after heat treatment
✔ Grain structure evaluation
✔ Case depth boundary verification
✔ Detection of structural irregularities
✔ Confirmation of heat treatment effectiveness.
Magnetic Particle Inspection (MPI) for Crack Detection
Magnetic Particle Inspection (MPI) is a non-destructive testing method used to detect surface and near-surface cracks in hardened components. This ensures structural integrity before components are dispatched.
MPI Testing Advantages:
- ✔ Early detection of surface cracks
- ✔ Non-destructive inspection method
- ✔ Suitable for ferromagnetic materials
- ✔ Enhanced reliability for safety-critical components
- ✔ Quality validation for OEM requirements
Abrasive Cutting & Sample Preparation for Accurate Testing
Accurate metallurgical testing requires proper sample preparation. Abrasive cutting and polishing are used to prepare cross-sectional samples without affecting microstructure.
Sample Preparation Capabilities:
✔ Controlled abrasive cutting
✔ Precision sectioning of hardened components
✔ Surface polishing for microscope analysis
✔ Preparation for Micro Vickers testing
✔ Minimal structural distortion during preparation.
Quality Documentation & Reporting for Industrial Compliance
We provide structured documentation and reporting to support quality compliance for OEMs and industrial clients. Each processed batch undergoes systematic testing, with results recorded for traceability and validation.
Quality Reporting Includes:
✔ Rockwell hardness reports
✔ Micro Vickers hardness profiles
✔ Case depth measurement records
✔ MPI inspection reports
✔ Metallurgical microstructure validation
✔ Batch traceability documentation.
FAQ – Quality Inspection & Testing
Why is Rockwell hardness testing important?
It verifies that required surface hardness has been achieved after induction hardening.
What is the purpose of Micro Vickers testing?
It measures hardness at micro levels to determine case depth and hardness variation.
How does MPI help in quality control?
MPI detects surface and near-surface cracks to ensure structural integrity.
Do you provide detailed inspection reports?
Yes, comprehensive hardness and inspection reports are provided for each batch.
Is microstructure analysis necessary after induction hardening?
Yes, it confirms proper martensitic transformation and validates the heat treatment process.
