MATERIALS 

 CHARACTERISTICS AND USES OF IRON-NICKEL-CHROMIUM ALLOYS 



53 



B-2 material is used where an austenitic material is required, 

 turbine designers for higher temperatures than now prevaihng. 



This type of material with 10 to 12 per cent chromium is being used by 



Selenium or zirconium sulphide may be added for free machining. When some of these elements are present the materials may become 

 slightly magnetic. 



