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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49

446 1.4749 S44600

Float Glass Production

Float Glass Production

Copper Processing

Copper Processing

446 is a ferritic heat resisting steel useful up to 1100°C.

Approximate Composition – 26% Cr, 0.15% C, 0.2% N (Exact composition ranges vary between EN and ASTM standards).

This grade combines the following characteristics:

  • Good oxidation resistance
  • Excellent resistance to sulphidation particularly in reducing conditions. Much better than austenitic heat resisting grades due to absence of nickel
  • Good resistance to molten copper, lead and tin
  • Poor high temperature strength
  • Weldable with austenitic electrodes

Applications include:

Glass making (float glass), metallurgical plant (copper processing), burners, annealing boxes, kiln linings, thermocouple tubes, injection nozzles

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

 

310 MoLN 1.4466 S31050