Grade 1Cr18Ni9
Corresponding Standard GJB 2294-1995
Specification for Stainless and Heat-Resisting Steel Bars for Aviation
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Forgability Weldability
Density 7.92 g/cm3
1Cr18Ni9 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo * Ti *
Minimum Value - - - - - 17 8 - -
Maximum Value 0.12 0.8 2 0.035 0.025 19 10 0.3 0.5
* The allowable residual element content
1Cr18Ni9 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Impact Energy Absorption
KV2
J
Steel Rod Solution Treatment ≤187
Sample d=25 Quenching or Solution Treatment ≥520 ≥205 ≥40 ≥60 - ≥98
New and Old Grade Replacement List
Corresponding Standard Grade
GJB 2294-1995
Grade
GJB 2294A-2014
Grade
Old Grade

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