ASTM B591-08

ASTM B591-08 - 1.4.2008

1. Scope

1.1 This specification covers the requirements for specified copper-zinc-tin alloys and copper-zinc-tin-iron-nickel alloys in the form of plate, sheet, strip, and rolled bar. The alloys and nominal compositions are as follows:

Copper Alloy
UNS No. Copper,
% Tin,
% Zinc,
% Phos.,
%% Iron,
% Nickel,
%

C40500
95
1
4

C40810
95.5
2.0
2.22
0.03
0.1
0.15

C40850
95.5
3.0
1.27
0.1
0.1
0.1

C40860
94.8
2.0
3.04
0.03
0.03
0.1

C41100
91
0.5
8.5

C41300
91
1
8

C41500
91
2
7

C42200
87
1
12

C42500
88
2
10

C42520
89.8
2.0
7.97
0.1
0.1
0.1

C43000
85
2
13

C43400
85
0.7
14.3

1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

2. Referenced Documents

E112-25e1	Standard Test Methods for Determining Average Grain Size (Includes all amendments and changes 9/9/2026).
E18-25	Standard Test Methods for Rockwell Hardness of Metallic Materials
B248-22	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
E478-24	Standard Test Methods for Chemical Analysis of Copper Alloys
B601-24	Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
B846-24	Standard Terminology for Copper and Copper Alloys
E8/E8M-25	Standard Test Methods for Tension Testing of Metallic Materials