ASTM B148-97(2009) - 1.4.2009
 
1. Scope

1.1 This specification establishes requirements for sand castings produced from copper-base alloys having the alloy numbers, commercial designations, and nominal compositions shown in Table 1.

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.

TABLE 1 Nominal Compositions

Copper Alloy
UNS No.		Old Desig-
nation		Commercial
Designation		Nominal Composition, %
CopperNickelIronAluminumSiliconManganese

C95200

9A

Grade A

88.0

. . .

3.0

9.0

. . .

. . .

C95300A

9B

Grade B

89.0

. . .

1.0

10.0

. . .

. . .

C95400A

9C

Grade C

85.0

. . .

4.0

11.0

. . .

. . .

C95410A

. . .

. . .

84.0

2.0

4.0

10.0

. . .

. . .

C95500A

9D

Grade D

81.0

4.0

4.0

11.0

. . .

. . .

C95520A

. . .

. . .

78.5

5.5

5.0

11.0

. . .

. . .

C95600

9E

Grade E

91.0

. . .

. . .

7.0

2.0

. . .

C95700

9F

Grade F

75.0

2.0

3.0

8.0

. . .

12.0

C95800

. . .

. . .

81.3

4.5

4.0

9.0

. . .

1.2

C95820

. . .

. . .

79.0

5.2

4.5

9.5

. . .

1.0

C95900

. . .

. . .

87.5

. . .

4.5

13.0

. . .

. . .

A These grades respond to heat treatment.

 
2. Referenced Documents

B846-24

Standard Terminology for Copper and Copper Alloys

B208-14(2021)

Standard Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings

E527-23

Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

E18-25

Standard Test Methods for Rockwell Hardness of Metallic Materials

E10-23

Standard Test Method for Brinell Hardness of Metallic Materials

E8/E8M-25

Standard Test Methods for Tension Testing of Metallic Materials

B950-26

Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys

B824-17(2025)

Standard Specification for General Requirements for Copper Alloy Castings