Grade 14Ni9
Corresponding Standard ISO 9328-4-2018
Nickel-Alloy Steels with Specified Low Temperature Properties
Classification Alloy Steel
14Ni9 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Ti V Nb
Minimum Value - - - - - - 2.1 - - - - -
Maximum Value 0.17 0.3 0.7 0.015 0.015 0.3 2.5 0.4 0.12 0.03 0.05 0.02
14Ni9 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Normalizing (+N), Normalizing and tempering (+NT) 450~590 ≥255 ≥21
Approximate Comparison Table Pressure-Bearing Flat Steel
Japan United States International Organization for Standardization
JIS ASTM ISO
SL2N255 A203A 14Ni9

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