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Testing Laboratories

NISST’s NABL-accredited and BIS-recognised laboratories provide testing, analysis and technical support to the iron and steel industry through three specialised laboratories.

Chemical Lab

Chemical and spectrometric analysis of steel and cast iron, fuel analysis and thermal studies.

  • Re-heating furnace performance studies & thermal audits
  • Chemical analysis of steel
  • Fuel analysis (moisture / viscosity, pre-heat temperature / calorific value)
  • Mass analysis of Zn coating and adherence analysis

Spectrometer

  • Chemical analysis of steel & cast iron

Machines & Equipment

  • Optical Emission Spectrometer – NISST
    Optical Emission SpectrometerGNR mL300Fast multi-element chemical analysis of steel and cast iron samples.
  • Atomic Absorption Spectrophotometer – NISST
    Atomic Absorption SpectrophotometerDetermination of individual elements, including trace and alloying elements, in solution.
  • Ströhlein Apparatus – NISST
    Ströhlein ApparatusDetermination of carbon in steel and cast iron by the combustion method.
  • Bomb Calorimeter – NISST
    Bomb CalorimeterMeasurement of the calorific value of solid and liquid fuels.
  • Muffle Furnace – NISST
    Muffle FurnaceHigh-temperature heating of samples, such as ash content tests for fuels.
  • Potentiometer – NISST
    PotentiometerPotentiometric titration for accurate wet chemical analysis.
  • Burette Titration Set-up – NISST
    Burette Titration Set-upClassical titration methods for the chemical analysis of steel and alloys.
  • Wet Chemical Analysis Section – NISST
    Wet Chemical Analysis SectionLaboratory bench for wet chemical analysis of steel, alloys and fuels.
  • Analytical Balance – NISST
    Analytical BalancePrecise weighing of samples and reagents.

Metallography Lab

Microstructure examination and metallographic evaluation of steel and cast iron.

  • Microstructure with photograph
  • Grain size, inclusion rating, decarb depth & case depth
  • Hardenability determination
  • Nodule count, carbide and nodule shape determination in SG cast iron
  • Graphite flake type and size in cast iron
  • Zn coating thickness determination in GI

Machines & Equipment

  • Image Analyzer Microscope – NISST
    Image Analyzer MicroscopeMicrostructure examination with image analysis: grain size, inclusion rating, nodularity and case depth.
  • Sample Preparation – NISST
    Sample PreparationCutting, mounting and grinding of specimens before microscopic examination.
  • Polishing Machine – NISST
    Polishing MachineFine polishing of specimens to a mirror finish for microstructure study.

Mechanical Lab

Mechanical testing of steel products, tubes, fasteners and sheets.

  • Dynamic / impact hardness test (Shore)
  • Tensile / compression test by UTM & bend / re-bend test
  • Measurement of tolerances
  • Impact testing (Izod / Charpy) & hardness (Rockwell / Brinell)
  • Drift expanding, flattening & twist (for tubes)
  • Nut / bolt test (tensile type)
  • Magnetic particle testing
  • Double shear test
  • Erichsen cupping test

Machines & Equipment

  • Universal Testing Machine – NISST
    Universal Testing Machine100 TonTensile, compression and bend tests on steel bars, rods and structural products.
  • Universal Testing Machine – NISST
    Universal Testing Machine40 TonTensile, compression and bend tests on medium-capacity specimens.
  • Universal Testing Machine – NISST
    Universal Testing Machine2.5 TonLow-load tensile tests on wires, sheets and small specimens.
  • Brinell & Vickers Hardness Testing Machine – NISST
    Brinell & Vickers Hardness Testing MachineHardness testing of steel and cast iron by the Brinell and Vickers methods.
  • Digital Rockwell cum Superficial Hardness Testing Machine – NISST
    Digital Rockwell cum Superficial Hardness Testing MachineRockwell and superficial Rockwell hardness tests, including thin and case-hardened parts.
  • Impact Testing Machine – NISST
    Impact Testing MachineIzod and Charpy impact tests to measure the toughness of steel.
  • Chiller – NISST
    ChillerDown to −80 °CCools specimens to sub-zero temperatures for low-temperature impact tests.
  • Fatigue Testing Machine – NISST
    Fatigue Testing MachineTests how materials behave under repeated (cyclic) loading.
  • Torsion Testing Machine – NISST
    Torsion Testing MachineTwist (torsion) tests on bars, wires and tubes.
  • Magnaflux Crack Detector – NISST
    Magnaflux Crack DetectorMagnetic particle testing to find surface and near-surface cracks in steel parts.
  • Lathe, Shaper & Milling Machines – NISST
    Lathe, Shaper & Milling MachinesMachining of test specimens to standard dimensions.

Contact for testing

Name & designationPhone
Shri Durgesh Notial, Dy. Quality Manager+91 76258 36318

Page last updated: November 8, 2026