Grade F799 Alloy 1
USA UNS R31537
Corresponding Standard ASTM F799-2011
Standard Specification for Cobalt-28Chromium-6Molybdenum Alloy Forgings for Surgical Implants (UNS R31537, R31538, R31539)
Classification Special Alloy Steel
Density 8.4 g/cm3
F799 Alloy 1 Chemical Element Composition Content (%)
Component Fe C Si Mn Cr Ni Mo N More
Minimum Value - - - - 26 - 5 - Co:余量
Maximum Value 0.75 0.147 1 1 30 1 7 0.25
F799 Alloy 1 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
≥1172 ≥827 ≥12 ≥12 HRC
≥35

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