439/430LX

*Type Austenite

Characteristics

    With high thermal conductivity and low thermal expansion coefficiency due to the addition of Ti and Nb.

Chemical compositions and physical properties
Designations Chemical compositions (%) Mechanical properties Physical properties
 JIS   POSCO   C   Cr   Ni   Mo   Orthers   Yield 
 Strength 
 N/mm²  		 Tensile 
 Strength 
 N/mm²  		 Elongate 

 %  		 Hadness 

 Hv  		 Specific 
 Heat 
 J/gºC  		 Specific 
 Gravity  		 Thermal 
 Expansion 
 Coefficient 
 W/m-ºC  		 Thermal 
 Conductivity 
 W/m-ºC 
 430LX   439   ≤0.03   17.0~19.0   ≤0.5   -   Ti 0.2~1.0   ≥205   ≥415   ≥22   ≤200   0.46   7.7   10.5   26.4 

Applications

    - Auto exhaust system of cars, decorative pipes, household appliances (washing machine..).