329J3L

*Type Austenite

Characteristics

    The content of Cr, Mo and N gives an excellent chlorine induced corrosion resistance, SCC and erosion corrosion. It is controlled to contain 50% of Austenite and Ferrite, respectively.

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 
 329J3L   329J3L   ≤0.03   21.0~24.0   4.5~6.5  2.5~3.5 N 0.08~2.0  ≥450   ≥620   ≥18   ≤320   0.40   7.80   13.7   19.0 

Applications

    - Pipeline or pipe of petroleum products, Gas.
    - Water tanks, water reservoir and water cleaning facilities...
    - Heat exchangers to produce or transport chemical products.