Commonly called 18/8. Excellent corrosion resistance and remains ductile. Used for MI sheathing for type J and Pt 100’s. Withstands hot crude oil products, steam and combustion gases. Carbon dioxide to 650 ° C. Air up to 900 ° C without temperature variation.
Basic Composition: Cr 18%, Ni 9%, Mn 2%, Si 1%, C 0.1%, Bal Fe
Temperature Limits: 800 ° C
International Standards: BS 970 321 S31, W No 1.4541
Density: 7.9 g/cm³
Melting Range: Approx 1400 ° C
Specific Heat: 500 J/Kg ° C
Coefficient of Expansion: 17 x10-6 / ° C
Thermal Conductivity: 14.7 W/m ° C
Peak Sensors Colour Code: Silver