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National Testing Laboratory Private Limited
National Testing Laboratory Private Limited


Metals Testing Services

Metal and alloys are important for development of any economy. They also play vital part in industrial and commercial activities. Our company is involved in the metal and alloys testing services. We carry testing with trusted methods.


Metal Testing Service

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Metal Testing Service
  • Metal Testing Service
  • Metal Testing Service
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Service Details:
Product TypeSteel
Industry TypeManufacturer
Sampling AreaOff-Site Testing

National Testing Lab is fully equipped to perform qualitative and quantitative analysis of almost all the known elements in the periodic table, be it metals, non-metals or alloys. Spectrometer(OES) employs both traditional techniques, i.e. Wet chemical methods as well as instrumentation techniques for conducting the analyses.

All precious and rare metals are now possible to be analyzed by these techniques. Hazardous/toxic elements and restricted substances, like Pb, Cd, Hg and total Cr are analyzed by the aforementioned techniques in samples like plastics, toys and rubbers, in order to see their compliance with various national and international regulatory authorities.

We provide Metal and Alloy testing services.Under this testing service, we use following equipment to test the metals:

  • Spectrometer (OES) – Spectro Max
  • Atomic absorption spectrometer (Lab India)
  • UV-VIS Spectrophotometer- (Lab India)
  • Portable Spectrometer
  • Erischen Cupping Test
  • Torsion Testing Machine
  • Hardness Rockwell
  • Impact Tester (Charpy/Izod)-BS
  • Microscope
  • Image Analyst Software
  • Compression Testing Machine
  • Coating Thickness Tester
  • Polishing Machine
  • Charpy-Izod Notch
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Corrosion Testing Service

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Corrosion Testing Service
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Service Details:
Corrosion TypeCrevice Corrosion

Corrosion can be classified into a number of different types. depending on the physical pattern or morphology of the attack. Some of the types of aqueous corrosion are: Uniform or general corrosion, Pitting corrosion, Crevice corrosion, Galvanic corrosion, Erosion corrosion, Inter-granular corrosion, and environmentally assisted cracking.

National Testing Lab is extremely competent to undertake any kind of Corrosion testing, and the testing activities are carried out exactly as per set standard conditions.

Intergranular Corrosion Tests :

  • Oxalic Acid Test, ASTM A 262, Practice A
  • Ferric Sulfate - Sulfuric Acid, ASTM A262 - Practice B
  • Nitric Acid, ASTM A262, Practice C, (Huey Test)
  • Copper - Copper Sulfate - 16% sulfuric acid, ASTM A262 - Practice E (Straus Test)
  • Copper - Copper Sulfate - 50% sulfuric acid, ASTM A262 - Practice F
  • Salt Spray (Neutral / Fog), ASTM B117
  • Pitting Corrosion Test, ASTM Gr 48
  • Crevice Corrosion
  • Hydrogen-Induced Cracking (HIC) Test, NACE TMO284
  • Sulfide Stress Corrosion Cracking (SSCC), NACE TM 0177
  • Cyclic Corrosion test (CCT) started as per International Standards

Major Equipments :

  • IGC Apparatus (All Practices)
  • Salt Spray Test Apparatus
  • Cass Test Apparatus
  • Carbon Test Apparatus
  • Potentio Meter Test Apparatus
  • Ammonia Vapour Test Apparatus
  • Crevice Corrosion Test Apparatus
  • Electrolyte Etching Machine
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National Testing Laboratory Private Limited
Gunjan (Customer Support)
83/14, Street No. 1, Udyog Nagar , Mundka Industrial Area,
New Delhi - 110041, Delhi, India
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