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ASTM B151

ASTM B151 Specification

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Scope

This specification establishes the requirements for copper-nickel-zinc and copper-nickel rod and bar for general application produced from Copper Alloy UNS Nos. C70600, C70620, C71500, C71520, C74500, C75200, C75700, C76400, C77000, and C79200. Copper Alloys UNS Nos. C70620 and C71520 are for product intended for welding applications. The values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

Chemical Composition

Composition, % max (unless shown as range or min)
Copper Alloy UNS No.Copper, Incl SilverNickel, Incl CobaltLeadIronManganeseZincPhosphorousSulfurCarbon
C70600remainder9.0-i1.00.051.0-1.81.01.00.020.02…
C7062086.5 min9.0-11.00.021.0-1.81.00.500.020.020.05
C71500remainder29.0-33.00.050.40-1.01.01.0………
C7152065.0 min29.0-33.00.020.40-1.01.00.500.020.020.05
C7450063.5-66.59.0-11.00.050.250.50remainder………
C7520063.0-66.516.5-19.50.050.250.50remainder………
C7570063.5-66.511.0-13.00.050.250.50remainder………
C7640058.5-61.516.5-19.50.050.250.50remainder………
C7700053.5-56.516.5-19.50.050.250.50remainder………
C7920059.0-66.511.0-13.00.8-1.40.250.50remainder………

Grain Size Requirements for OS (Annealed) Temper Rod and Bar

Copper Alloy UNS No. Grain Size, mm
Temper DesignationNominalMinimumMaximum
All alloysOS0150.015. . .0.030
All alloysOS0350.0350.0250.050
C74500, C75200, C75700, C76400, and C77000OS0700.0700.0500.100

Mechanical Properties for Copper-Nickel-Zinc Alloy Rod and Bar

Temper DesignationDiameter or Distance Between Parallel Surfaces, in. [mm]Tensile Strength, ksi [MPa]A
Copper Alloy UNS Nos. C75200 and C79200Copper Alloy UNS Nos. C74500, C75700, C76400, and C77000
MinMaxMinMax
 Rod: round    
H010.02 to 0.50 [0.5 to 10], incl60 [415]80 [550]75 [515]95 [655]
 Rod: round, hexagonal, octagonal    
H040.02 to 0.25 [0.5 to 6.5], incl80 [550]100 [690]90 [620]110 [760]
 Over 0.25 to 0.50 [6.5 to 10], incl70 [485]90 [620]80 [550]100 [690]
 Over 0.50 to 1.0 [10 to 25], incl65 [450]85 [590]75 [515]95 [655]
 Over 1.0 [25]60 [415]80 [550]70 [485]90 [620]
H04Bar:    
 square, rectangular all sizes68 [470]88 [605]75 [515]95 [650]

Mechanical Properties for Copper-Nickel Alloy Rod and Bar [Inch-Pound Units]

Temper DesignationDiameter or Distance Between Parallel Surfaces, in.Tensile Strength, min, ksiYield Strength at 0.5 % Extension Under Load, min, ksiElongation in 4x Diameter or Thickness of Specimen, min, % A
Copper Alloy UNS Nos. C70600 and C70620
O60, M30round, hexagonal, and octagonal rods and square barsall sizes381530
H04round, hexagonal, and octagonal rods and square barsup to 3⁄8, incl603810
  over 3⁄8 to 1, incl503015
  over 1 to 3, incl401530
  over 3 to 5, incl381520
O60rectangular bars and shapesall sizes381530
For Thicknesses
H04rectangular barsup to 3⁄8, incl553010
  over 3⁄8 to 1⁄2, incl502812
  over 1⁄2 to 3401720
H04shapesall sizes(As agreed upon between the manufacturer or supplier and the purchaser)
Copper Alloy UNS Nos. C71500 and C71520
060, M30round, hexagonal,and octagonalrods and square barsup to 1/2. incl521830
  over 1/2 to 1, incl481830
  over 1451830
H01round, hexagonal,and octagonal rods and square barsup to V2. incl655010
  over ’12 to 1, incl604515
  over 1 to 3, incl553520
  over 3to 5,incl451820
H04 up to V2. incl80608
  over 1/2 to 1, incl755810
  over 1 to 2,incl705510
060rectangular bars and shapesall sizes451530
For Thicknesses
H04rectangular barsup to 1/2. incl75557
H04shapesover 1/2 to 1, incl all sizes7050
(As agreed upon between the manufacturer		10
    or supplier and the purchaser) 

Note :

A. In any case, a minimum gage length of 1 in. shall be used.

Mechanical Properties for Copper-Nickel Alloy Rod and Bar [SI Units]

Temper DesignationDiameter or Distance Between Parallel Surfaces, mmTensile Strength, min, MPaYield Strength at 0.5 % Extension Under Load, min, MPaElongation in 4x Diameter or Thickness of Specimen, min, % A
Copper Alloy UNS Nos. C70600 and C70620
060, M30round, hexagonal,and octagonal rods and square barsall sizes26010530
H04round, hexagonal,and octagonal rods and square barsup to 9.5, incl41526010
  over 9.5 to 25, incl34520515
  over 25 to 80, incl27510530
  over 80 to 125, incl26010520
060rectangular bars and shapesall sizes26010530
For Thicknesses
H04rectangular barsup to 9.5, incl38020510
  over 9.5 to 12, incl34519512
  over 12 to 80, incl27511520
H04shapesall sizes (As agreed upon between the manufacturer or supplier and the purchaser) 
Copper Alloy UNS Nos. C71500 and C71520
060, M30round, hexagonal,and octagonal rods and square barsup to 12, incl36012530
  over 12 to 25, incl33012530
  over 2531012530
H01round, hexagonal,and octagonal rods and square barsup to 12, incl45034510
  over 12 to 25, incl41531015
  over 25 to 80, incl38024020
  over 80 to 125, incl31012520
H04 up to 12, incl5504158
  over 12 to 25, incl51540010
  over 25 to 50, incl48538010
060rectangular bars and shapesall sizes31010530
For Thicknesses
H04rectangular barsup to 12, incl5153807
  over 12 to 25, incl48534510
H04shapesall sizes (As agreed upon between the manufacturer or supplier and the purchaser) 

Note :

A. In any case, a minimum gage length of 25 mm shall be used.