Grade X6CrNiMoNb 17-12-2
European Standard Steel Grade 1.4580
Corresponding Standard EN 10088-1-2005
Staehle Stainless steels. Part 1:List of stainless steels
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
Density 8 g/cm3
X6CrNiMoNb 17-12-2 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo More
Minimum Value - - - - - 16.5 10.5 2 Nb:10xC~1.00
Maximum Value 0.08 1 2 0.045 0.015 18.5 13.5 2.5
① Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
Approximate Comparison Table
China United States International Organization for Standardization European Standard
ISC ASTM UNS ISO Numerical Grade EN Numerical Grade
S31678 316Nb
(316Cb)
S31640 X6CrNiMoNb17-12-2 4580-316-40-I X6CrNiMoNb17-12-2 1.4580

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