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Home Material ASTM B151/151M-2013
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USA UNS C71520
Corresponding Standard ASTM B151/151M-2013
Copper-Nickel-Zinc alloy (Nickel silver) and Copper-Nickel rod and bar
Classification Copper and Copper Alloys
Chemical Element Composition Content (%)
Component Fe C Mn P S Ni ② Cu ① Pb Zn More
Minimum Value 0.4 - - - - 29 65 - - Cu+Ag：余量
Maximum Value 1 0.05 1 0.02 0.02 33 - 0.02 0.5
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Bar (round, hexagonal, octagonal) and square bar, (t ≤ 12mm) O60 - Soft Annealing, M30 - Hot Extrusion ≥360 ≥125 ≥30
Bar (round, hexagonal, octagonal) and square bar, (12 < t ≤ 25mm) O60 - Soft Annealing, M30 - Hot Extrusion ≥330 ≥125 ≥30
Bar (Round, Hexagonal, Octagonal) and Square Bars, (t＞25mm) O60 - Soft Annealing, M30 - Hot Extrusion ≥310 ≥125 ≥30
Bar (round, hexagonal, octagonal) and square bar, (t ≤ 12mm) H01 - 1/4 Hard ≥450 ≥345 ≥10
Bar (round, hexagonal, octagonal) and square bar, (12 < t ≤ 25mm) H01 - 1/4 Hard ≥415 ≥310 ≥15
Bar (Round, Hexagonal, Octagonal) and square bars, (25＜t≤80mm) H01 - 1/4 Hard ≥380 ≥240 ≥20
Bar (Round, Hexagonal, Octagonal) and square bars, (80＜t≤125mm) H01 - 1/4 Hard ≥310 ≥125 ≥20
Bar (round, hexagonal, octagonal) and square bar, (t ≤ 12mm) H04 - Hard ≥550 ≥415 ≥8
Bar (round, hexagonal, octagonal) and square bar, (12 < t ≤ 25mm) H04 - Hard ≥515 ≥400 ≥10
Bar (Round, Hexagonal, Octagonal) and Square Bars, (25＜t≤50mm) H04 - Hard ≥485 ≥380 ≥10
Rectangular bars and profiles, (all sizes) O60 - Soft Annealing ≥310 ≥105 ≥30
Rectangular Bar, (t≤12mm) H04 - Hard ≥515 ≥380 ≥7
Rectangular Bar, (12＜t≤25mm) H04 - Hard ≥485 ≥345 ≥10
Profile, (all sizes) H04 - Hard Agreed Between Manufacturer or Supplier and Buyer Agreed Between Manufacturer or Supplier and Buyer Agreed Between Manufacturer or Supplier and Buyer

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