USA UNS N05500
Corresponding Standard ASTM B865-2004
Standard Specification for Precipitation Hardening Nickel-Copper-Aluminum Alloy (UNS N05500) Bar, Rod, Wire, Forgings, and Forging Stock
Classification Alloy Steel
Properties Strength Corrosion Resistance
Chemical Element Composition Content (%)
Component Fe C Si Mn S Ni Cu Al
Minimum Value - - - - - 63 27 2.3
Maximum Value 2 0.18 0.5 1.5 0.01 - 33 3.15
Mechanical Properties
thickness
t
in(mm)
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
All Sizes hot-worked and age-hardened ≥965 ≥690 ≥20 HB3000: ≥265
HRC: ≥27
>1/4(6.4)~1(25.4) Cold Processing + Age Hardening ≥1000 ≥760 ≥15 HB3000: ≥300
HRC: ≥32
>1(25.4)~3(76.2) Cold Processing + Age Hardening ≥965 ≥690 ≥17 HB3000: ≥280
HRC: ≥29
≥280
>3(76.2)~4(101.6) Cold Processing + Age Hardening ≥930 ≥655 ≥20 HB3000: ≥255
HRC: ≥25
>1/4(6.4)~2(50.8) Cold Processing + Age Hardening ≥965 ≥690 ≥15 HB3000: ≥265
HRC: ≥27
<1(25.4) anneal and age-hardened* ≥895 ≥620 ≥20 HB3000: ≥250
HRC: ≥24
>1(25.4) anneal and age-hardened* ≥895 ≥895 ≥20 HB3000: ≥250
HRC: ≥24
Approximate Comparison Table Corrosion-Resistant Alloy
China United States Germany
GB ISC Commercial Grade UNS W-Nr.
NS 6500
Ni68Cu28Al
H 05500 Monel K500 N 05500 2.4375

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