Patent ID: 6623869
Filing Date: 2003-09-23
Classification: B32B,C22C,F28F,Y10T

Abstract:
A metallic material having metal dusting resistance which comprises, in mass %, C: not more than 0.2%, Si: 0.01-4%, Mn: 0.05-2%, P: not more than 0.04%, S: not more than 0.015%, Cr: 10-35%, Ni: 30-78%, Al: not less than 0.005% but less than 4.5%, N: 0.005-0.2%, and one or both of Cu: 0.015-3% and Co: 0.015-3%, with the balance substantially being Fe, and of which the fn1 value defined by the formula (1) given below is not less than 50:fn1=40Si+Ni+5Al+40N+10(Cu+Co)â€ƒâ€ƒ(1), wherein, in the above formula (1), the symbols of the elements represent the contents, in mass %, of the elements in the metallic material.