Cr20ni80 
 cr20ni80 
 cr20ni80 stainless steel is austenitic stainless steel, high heat-resistant stainless steel. 
 Chemical composition is: 
 C Max: 0.24%; 
 Mn Max: 2.00%; 
 P Max: 0.045%; 
 S Max: 0.030%; 
 Si: Max :1.40-3 .00%; 
 Cr :23.00-25 .00%; 
 Ni :19.00-22 .00%. 
 cr20ni80 high temperature oxidation resistance and strong mechanical properties 
 Further reading: http://www.xiangyi99.com