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NATIONAL METALLURGICAL LABORATORY
About NML
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About us
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Mineral processing
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Metallurgy
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Chemistry
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Temperature Calibration
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NABL Accreditation |
Quality policy
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Human resources
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Recent Publications |
NML
Brochure |
Contact us
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Metallurgy group is actively involved in research and development in the areas of process
modeling and failure analysis apart from a variety of other testing and consultancy
services.
R&D Services :
- Thermodynamic and kinetic modeling of metallurgical processes
- Mechano chemical activation of minerals and materials
- Failure analysis of industrial components
- Consultancy projects in the areas of metallurgy and material science
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Testing Service :
- Testing hardness of materials on Vickers, Brinell and Rockwell scales
- Certification of hardness test blocks using Rockwell and Vickers hardness tester
- Micro and macro hardness testing of metals and alloys
- Microscopic characterization of materials
- Contact angle and surface tension measurements for solids.
- Assistance to Dept. of Customs and Directorate of Revenue Intelligence in providing
expert opinion on metallurgical import consignments at the ports of Chennai, Pondicherry
and Tuticorin
Calibration Services :
- Verification of hardness testing machines
Major facilities :
- Leica DMLM Metallurgical Microscope with MPS 30 PHOTO AUTOMAT
- Leica Qwin Image Analyzer
- Leica VMHTMOT Microhardness tester
- Complete range of metallographic sample preparation equipment
- Digital Rockwell test machine (INDENTEC 2002, UK)
- Digital Vickers test machine (INDENTEC 2002, UK)
- Epstein Tester for core loss measurement
- Complete range of metallographic sample preparation equipment
- Modular compact Rheometer-MCR 101 (Anton Paar, Germany)
- High Temperature Chamber Furnace-HT 1800 (Linn High Therm GmbH, Germany)
- High mass-high volume Thermogravimetric Analyser (Thermo Cahn, USA)
- Leica MZ6 Stereomicroscope
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TEST CHARGES FOR METALLURGICAL
TESTING AND CALIBRATION
S.No. |
Test
Description |
Charges
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Metallurgical
Testing
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1 |
Microstructure
tests
- Average grain size measurement
- Determination
of case depth (3 to 1000 micron)
- Inclusion rating of carburized layer
- Depth of decarburized layer
(3 to
1000 microns)
- Coating thickness (3 to 1000 microns)
- Determination of graphite flakes
(type and size)
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Rs. 2000/test |
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2 |
Macrostructure test of steel bars,
billets and blooms
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Rs. 1000/test |
3 |
Hardness tests
- Micro-hardness (Vickers 5g to 1kg)
- Macro hardness
i)
Brinell (187.5, 750, 3000 kgf)
ii)
Vickers (up to 50 kgf)
iii)
Rockwell (A&C scale and superficial scales) |
Rs. 1000/test |
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Above tests are done as per IS/ASTM standards
Time required for testing/calibration: 3 working days
Service tax at 10.3% extra on total
charges
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Mode of payment: Advance payment in full, DD in favour of NML Unit,
Chennai
TILE TESTING :
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The tiles testing section
of NML-MC has the facilities for testing and evaluation of cement tiles,
ceramic tiles, concrete pavement blocks, concrete cubes, granites,
marbles etc. as per Indian Standards |
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Testing Services
- Abrasion resistance
- Water absorption
- Flexural strength
- Compressive strength
- Flatness
- Bulk density
- Apparent porosity
- Apparent specific gravity
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Major Facilities
- Automatic Compression Testing Machine (2000 KN)
- Manual compression testing machine (1000 KN)
- Automatic Flexural Testing Machine (100 KN)
- Manual flexural testing machine (100 KN)
- Abrasion Testing Machine
- Digital sieve shaker (wet and dry)
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Testing Charges
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Tiles Testing |
1.
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a.Water absorption
b.Compressive strength (upto 2000 kN)
c.Abrasion/wear resistance (0.01 to 25 mm)
d.Flexural / Wet transverse strength (upto 100 kN)
e. Flatness
f. Bulk density
g.Apparent porosity
h.Apparent specific gravity |
Rs. 5000/sample
Rs. 15,000/ granite
sample |
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Contact us |
Director
NATIONAL METALLURGICAL LABORATORY
(Council of Scientific & Industrial Research)
JAMESHEDPUR 831 007
Phone: (0657) 2271715, 2270092, 2271709-14 (PBX)
Fax: (0657) 2270527, 2271251, 2271159
Email:
director@nmlindia.org,
Website:
www.nmlindia.org
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Dr. G. Bhaskar Raju
Scientist-In-Charge
NML Madras Centre, CSIR Madras Complex
Taramani, CHENNAI 600 113
Ph: 044 2254 2077, 2254 2529, 2254 2523,
Fax: 044 2254 1027
Email: nmlmc@vsnl.com
Working hours: 9.00 am to 5.30 pm (Monday to Friday, except
Govt. holidays)
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