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USA UNS N06686
Corresponding Standard ASTM B 574-2023
Standard Specification for Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten Alloy
Classification Nickel and Nickel Alloys
Density 8.73 g/cm3
Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Mo Ti W More
Minimum Value - - - - - - 19 15 0.02 3 Ni: remainder
Maximum Value 5 0.01 0.08 0.75 0.04 0.02 23 17 0.25 4.4
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
%
/ Hot or Cold Finished, Solution Annealed ≥690 ≥310 ≥45
Grade 1 Cold-Worked ≥827 ≥586 ≥20
Grade 2 Cold-Worked ≥931 ≥862 ≥20
Grade 3 Cold-Worked ≥1103 ≥1034 ≥20
Approximate Comparison Table Corrosion-Resistant Alloy
China United States Germany
GB ISC Commercial Grade UNS W-Nr.
NS 3309 H 06686
H 03309 		Inconel 686 N 06686 2.4606

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