50 grades of stainless steel
BSSA

The BSSA has selected 50 Grades of Stainless Steel as its theme for 2014. Each week throughout the year, we will showcase one grade and illustrate the variety of corrosion resistant, mechanical and physical properties which determine its suitability for a wide range of applications.

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1.4828 

Lamborghini Exhaust System

Lamborghini Exhaust System

Heat Treatment Furnace

Heat Treatment Furnace

1.4828 is a heat resistant austenitic stainless steel. It has improved oxidation resistance, carburisation resistance and high temperature strength compared to standard grades like 304.

Approximate Composition – 20% Cr, 12.0% Ni, Si 2.0%, 0.10% C (EN composition range. No ASTM equivalent).

This grade combines the following characteristics:

  • Good oxidation resistance up to 1000°C
  • Good carburisation resistance up to 1000°C
  • Good thermal shock resistance
  • Good weldability

This grade can be regarded as a development of standard grade 304. Its increased chromium and nickel give it better oxidation resistance whilst silicon gives improved carburisation resistance. It is sometimes said to be equivalent to grade 309 but in fact, 309 has a higher Cr content and no Si. The relatively high carbon content gives strength at high temperatures.

Applications which illustrate these features include:

High end car exhaust systems, heating elements, furnace components, burners, heat treatment baskets, gas flare heads.

Find out more about the 50 Grades of Stainless Steel campaign
 

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British Stainless Steel Association (BSSA): registered in England and Wales as a private company limited by guarantee; registration no. 07547349

 

1.4886 N08330