National Metallurgical Laboratory
Jamshedpur-831007 (Bihar)
About NML
The National Metallurgical Laboratory, Jamshedpur has been catering to the needs of our industry and has supported the Industrial Development in the area of Material Science ever since its inception in 1950. It has been tackling various industrial problems and has suggested viable solutions. The efforts have brought about an estimated national savings of Rs 20 crores per annum and has helped to avoid losses to the tune of Rs 90 crores per annum over the last few years. Besides it has contributed to industrial production through its knowhow and technology transfers.
NML/CSIR TECHNOLOGIES
ANALYTICAL CHEMISTRY (ANC) DIVISION
- Standard Reference Materials
COMPUTER APPLICATIONS (CAP) DIVISION
- CALBOF
- Ferro-Solver
- Field Solver-3D
- Relief-H
CORROSION PROTECTION (CRP) DIVISION
- Alkali Silicate Based Zinc Rich Primer
- Colouring of Mild Steel
- Chrome-T
- Cleaneff
- Colouring of Anodized Aluminium
- Corrosion and Scale Formation Inhibitor
- Electroless Nickel Plating
- Enrichment of Commercial Sodium Silicate
- EPZER - A Process Know-how for Zinc Powder from Zinc Dross
- Ethyl Silicate based Zinc Rich Primer
- Hot Dip Aluminising
- Hydralime
- Inhibitor for the transportation of wet sour crude/condensate and gas
- Magasulph
- Metasave
- NML-Galvaflux
- NML-Galvasave
- NML-HCL Inhibitor
- NML-Vapour Phase Inhibitor
- Oxygen Scavenger
- Phosphate Coating on Mild Steel Surface
- Pickling of Copper and Copper based Alloys
- Prixol
- Rust Stabiliser
- Sodium Aluminate (NaAlO2)
- Stainless Steel Powder
- Superal/Hopal
- Tri-Phos
- Vinyl Coated Steel and Aluminium
FERROUS PROCESSING (FRP) DIVISION
- Carbon Bonded Graphite-SiC Crucible
- Ceramic Crucible for Carbon and Sulphur Determination
- Clay Bonded Improved Graphite Crucible
- Clay Graphite Stopper Heads
- Dense Carbon Aggregate and Soderberg Paste
- Fly Ash Based Hard Ceramic Material
- Foam Insulation Refractories
- Foundry Pollution Control Technology
- Fused Cast Product - A Substitute for Basalt
- High Alumina Cement (60-75%) Al2O3
- Lithium Chemicals
- Low Pressure Briquetting of Sponge Iron Fines
- Mag Chem
- Mini Cupola
- Mini Lignite Briquettes
- Ramming Masses (acid/basic) Used in Induction Furnace Lining
- Refractory Cement (Fondu Type)
- Resin Bonded Al2O3-SiC-C Refractories
- Sintered Alumina
- Sintered Mullite
- Submerged Arc Welding Flux (Fused Type)
- Tabular Alumina
- VRDR-SAF Process for Low Sulphur & Low Phosphorus iron
- Vertical Retort Direct Reduction (VRDR)
- Wear Resistant Ceramics
- Zircon-Zirconia Nozzles
MINERALS PROCESSING (MNP) DIVISION
- Acid/Metallurgical grade Fluorspar
- Agglomeration of Fines and Concentrates
- Bauxite Concentrate from Low Grade Ore
- Beach Sand Heavy Minerals
- Beneficiation and Agglomeration of Iron Ore
- Beneficiation of Tungsten ores
- Clean coal (Coking/non-coking)
- Copper Concentrate from Copper Ores
- Grade-I Kyanite Concentrate from Low Grade Ores
- Graphite for Industrial Use
- High Quality Magnesite (<2% silica)
- Manganese Concentrate from Ferruginous Manganese Ores
- Manganese Concentrate from Silicious/Garnetiferrous Manganese Ore
- Phosphate Concentrate
- Super Concentrate from Blue Dust
- Super Concentrate from Limestone
- Upgrading of River Sand for Steel Foundry
- Utilisation of Iron Ore Slimes
MATERIALS CHARACTERISATION (MTC) DIVISION
- Cast Alnico Magnets
- Ceramic Magnet
MATERIALS PROCESSING (MTP) DIVISION
- Air-nitrogen Atomised Extra Fine Non-Ferrous Metal Powders
- Distilled Zinc Dust
- Aluminium Alloy Conductor
- Cast Substituted Stainless Steel
- Clad Metals
- Dental Amalgam Alloy
- Electrolytic Iron Powder from Sponge Iron Fines
- Heat Resistant Aluminium Cast Iron
- Improvement in Productivity of Aluminium Utensils
- New Device for Production of SG iron
- Nichrome type Resistance Alloy
- Nickel Free Electrical Resistance Alloy
- Nitrogen Bearing Austenitic Stainless Steels
- NML PM 122 I Inocculant
- NML Reactive Filter Medium
- Isotopic and Anisotropic Ceramic Magnets
- Low Silver Brazing Alloy
- Reduction Grade Iron Powder for Paracetamol/Bulk Drugs & Dye Stuff Industries
- S. G. Iron by Pure Magnesium Treatment
- Silver Base Electrical Contacts
- Simultaneous Degassing & Modification Device
- Wear and Abrasion Resistant Cast Iron NML Wear Not
NON-FERROUS PROCESS (NFP) DIVISION
- Chemical Manganese Dioxide
- Electrolytic Copper Powder
- Electrolytic Manganese Dioxide
- Gold and Silver from Gold Refining Dross/Slag
- High Purity Magnesium Carbonate/Magnesia from Magnesite
- Lead from Battery Scrap
- Nickel and Chromium from Stainless Steel Pickling Bath Sludge
- Nickel from Spent Nickel Catalyst
- NML Alnama Process of Lead Extraction
- Production of Low-Carbon Ferro-Alloys by Alumino-Thermic Process
- Recycling of Vanadium Plant Effluent
- Synthetic Cryolite
- Tin from Tin Sludge
- Vanadium Pentoxide
- Zinc Oxide from Zinc ash/hydrate
INFORMATION & RESEARCH MANAGEMENT (IRM) DIVISION
- Design & Developement of Coke - less Cupola
- Gas cleanning plant
- Concerning pollution control in Foudries
- Gas/oil fired oven / furnance of non-ferrous / Ferrous industries
CONSULTANCY / TECHNICAL SERVICES
Evaluation of materials & ores
Process flow - sheets for beneficiation and agglomeration & minerals and low grade ores
Setting up of commercial size ore treatment plants
Setting up of melting and casting facilities for light alloys for various
engineering applications
Investigation of Industrial failure :
Thermal power stations, Electrical Transmission & Distribution
Rolling will Rolls
Corrosion of materials and its prevention
Implant studies for process / product improvement
Design & Selection of equipment for metallurgical processes
TESTS DONE BY NML
1. Micro-structure, in-situ metallography & Microhardness
2. Head Treatment
3. Hardness Tests
4. Chemical Analytical (Conventional & instrumental)
5. Corrosion tests
6. Physical Tests
a) i) SEM Photography
ii) SEM + EDX analysis
iii) SEM hot stage upto
1200 degree C
b) Qualitative X-ray defraction
c) Quantitative estimation of crystalline phases
d) Particle size
e) Residual stress on ferrous & non-ferrous sample
f) Structure determination and lattice parameter
measurement
g) Micro analysis by TEM (Transmission Electron
Microscope)
7. Magnetic Material Testing
8. Impact Test on Notched Bar Izod or Charpy
9. Tensile Test
10. Compression Test
11. Torsion Test
12. Transverse Test
13. Bend Test
14. Fracture toughness test
15. Ductility Test
16. Wear Test
17. Accelerated life test of heating elements (wire 300 mm
in length & 0.71mm in dia)
18. Creep Test
- Refractories test
- Petrographic analysis (qualitative) (sample preparation and studies)
b) Particle size determination including sample preparation
sidegraph
20. PCE Determination
21. Refractories under load
22. Permanent dimensional changes (PLC)
- Cold crushing strength including sample preparation
24. Modulus of rupture
25. Thermal Expansion
a) 0 deg. to 1500 deg.C
b) Thermal conductivity 0 - 800 deg. C temp.
26. Aparant porosity, specific gravity and bulk density
27. True specific gravity(Helium density)
28. Resistance to slag attack
29. High temp. creep
30. HOT MOR
31. Differential Thermal Analysis (DTA/DTG)
32. Pore & Pore size distribution
33. Raw materials analysis
a) Reducibility test of Iron Ores Samples
b) Crushing strength of iron ore pellets
c) Swelling test of iron ore pellets
d) Determination of reduction degradation index of iron
bearing material
e) Thermal degradation of iron ores (oxidising atmosphere)
f) Tabular test on iron ore/pellets/sinters
g) Shatter test on iron ore/pellets/sinters
h) Reactivity determination of coal, coke and char
i) Determination of porosities (macro & micro) of iron
ores/sinters/pellets
j) Oxidation of DRI
k) Determination of ash fusion temp.
34. Testing of Molding sands, Binder and other foundary materials
35. Endurance test
36. Continuous electrical conductivity test
37. Thermal conductivity
38. Viscocity test
39. Cold bonding strength
40. Computer utilisation