Metallurgy Techniques - A Process Know How for Production of Stainless Steel Powers

Introductin

A unique process to make stainless steel powders of ASTM 304? grade through a chemical route with no equals in the market. The yield is 94-96%. The physical and chemical properties of the powders are as good as stainless steel stock. 86% of 350 mesh size distribution.

Major raw materials

Positive metal salt, acids and acetone. All are indigenously available

Major Plant Equipment/Machinery

(a) Furnace (b) reaction vessel (c) grinder (d) Heater (e) Centrifugal filter (f) Weighing machine (g) Drying unit (h) Sieves. Ideally suitable for small scale industry.

Area of Application : Minerals, Metals and Materials

Applications

Used for production of sintered through P/M route, welding rods, porous thimbles for filters and also for sprayed powder coatings.

Status of Development

The process is standardised at scale of 5kg/day.

Ecological/Environmental Impact

No special measures are required.

Patenting details : 1232/DEL/91, 1233/DEL/91,India

Technology Transfer Assistance Offered

Includes (a) Process know-how (b) Details of the equipment (c) Plant lay-out (d) Quality assurance methods. Assistance in setting up the plant and separate terms

Additional Information

A battery limiting plant with a capacity to manufacture 100 kg/day costs approximately Rs. 19.00 lakhs (based on 1992 prices)

Contact for more information:

Director
National Metallurgical Laboratory
Jamshedpur-831 007, India
Tel: (0)657-2271715, 2270092
Fax:(0)657-2270527
Email: director@nmlindia.org

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