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Nitride selection made easy
Communication Feature- May 02,18
Steel Plant Specialities brings stop-off paste for selective gas nitriding and plasma ion nitriding.
Steel Plant Specialities brings stop-off paste for selective gas nitriding and plasma ion nitriding.
Gas nitriding is a case hardening process in which nascent nitrogen diffuses into the surface of special alloy steel components to create a hard, nitrided surface. It is predominantly used on steel. Typical applications include gears, crankshafts, camshafts, cam followers, valve parts, extruder screws, die-casting tools, forging dies, extrusion dies, injectors and plastic-mold tools.
Plasma nitriding, also known as ion nitriding, plasma ion nitriding or glow-discharge nitriding, is a modern case hardening process that is slowly replacing gas nitriding. Plasma nitriding can be performed with higher efficiency than gas nitriding in a broad temperature range, from 260°C to more than 600°C.
In both the cases of gas nitriding and plasma ion nitriding, there is always a requirement to prevent nitriding at the desired areas of the same component and leave them soft. This process is termed ‘selective nitriding’. The areas of components on which nitriding is to be prevented are typically internally threaded areas and those areas that need to be machined after nitriding. The most economical method of achieving selective nitriding is to coat the area with a stop-off paste.
An Indian firm, Steel Plant Specialities, has developed stop-off pastes for conventional gas nitriding and plasma ion nitriding, ESPON-ANT and ESPON-INT, respectively. Both products are non-hazardous, non toxic and eco friendly. Results of these products as confirmed by regular users are provided below:
Most of the nitriding units in India are satisfied with ESPON-ANT selective gas nitriding stop-off paste.
Steel Plant Specialities was set up in the year 1985 to combat scale losses. This because steel industries throughout the world undergo enormous losses every year due to oxidation during hot working and heat treatment. The range of anti-scale compounds are now popularly known as ‘ESPON’.
These coatings have accelerated many metallurgical developments, improving quality and reducing costs. Products manufactured by Steel Plant Specialities are: hot forging die lubricants to increase forging die life and reduce pollution; fuel saving coatings for furnace refractory lining; selective gas nitriding compound; tapping lubricants.
Company believes to offer only those products which qualitatively and quantitatively transform the global metal forming and metal working industries. The company's business is not only based in the Indian subcontinent but beside that major part of its work profile has been extended towards Vietnam, Poland, Spain, Taiwan, etc.
For more information contact Steel Plant Specialities LLP on Tel: 022-67978060 and email: info@steelplantspecialities.com or visit website: www.steelplantspecialities.com
(Communication provided by the management of the company)
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