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Commercial Grade
USA UNS N09925
Other Names
Brand/Supplier
America ->
Classification Special Alloy Steel
Properties Corrosion Resistance
Density 8.08 g/cm3
Chemical Element Composition Content (%)
Component Fe C Si Mn S Cr Ni Cu Mo Ti Nb Al
Minimum Value 22 - - - - 19.5 42 1.5 2.5 1.9 - 0.1
Maximum Value - 0.03 0.5 1 0.03 22.5 46 3 3.5 2.4 0.5 0.5
Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Round Steel Solid Solution Annealing 685 271 56 HRB
76
Round Steel Solution Annealing + Aging 1154 832 27 HRC
32
Cold Drawn Tube Solution Annealing + Aging 1189 830 27 HRC
32
Approximate Comparison Table corrosion-resistant alloy
China United States
GB ISC Commercial Grade UNS
NS 2401 H 09925 Incoloy 925 N 09925

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