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USA UNS N06674
Corresponding Standard ASTM B168-2019
Nickel-Chromium-Aluminum Alloys , Nickel-Chromium-Iron Alloys , Nickel-Chromium-Cobalt-Molybdenum Alloy , Nickel-Iron-Chromium-Tungsten Alloy , and Nickel-Chromium-Molybdenum-Copper Alloy Plate, Sheet, and Strip
Classification Alloy Steel
Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr N Ti W Nb B More
Minimum Value 20 - - - - - 21.5 - 0.05 6 0.1 0.0005 Ni余量
Maximum Value 27 0.1 1 1.5 0.03 0.015 24.5 0.02 0.2 8 0.35 0.006
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Plate, Sheet Hot Rolled, Annealed ≥590 ≥235 （in 50mm or 4D）
≥30
Plate, Sheet, Strip Cold Rolled, Annealed ≥590 ≥235 ≥30

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