Grade X6CrNiMoNb 17-12-2
European Standard Steel Grade 1.4580
Corresponding Standard EN 10088-3-2014
Stainless steels-Part 3: Technical delivery condition for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
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
X6CrNiMoNb 17-12-2 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Bar, rod, wire, section, bright products; d≤160 +AT 510~740 ≥215 (long.)
≥35
≤230 (long.)
≥100
Bar, rod, wire, section, bright products; 160<d≤250 +AT 510~740 ≥215 (tr.)
≥30
≤230 (tr.)
≥60
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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