ASTM B21/B21M-12

Standard Specification for Naval Brass Rod, Bar, and Shapes

STANDARD published on 1.4.2012

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The information about the standard:

Designation standards: ASTM B21/B21M-12
Note: WITHDRAWN
Publication date standards: 1.4.2012
SKU: NS-5734
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B21/B21M-12 :

Keywords:

naval brass, naval brass bar, naval brass rod, piston-finish rod, shafting , shapes, UNS No. C46200, UNS No. C46400, UNS No. C47940, UNS No. C48200, UNS No. C48500, Brass rod/bar/shapes--specifications, Copper alloy rod/bar/shapes--specifications, Copper rod/bar/shapes--specifications, Naval brass, UNS C46200 (naval brass, 63.5%), UNS C46400 (naval brass, uninhibited), UNS C47940 (Brass alloy), UNS C48200 (naval brass, medium leaded), UNS C48500 (naval brass, high leaded)

Additional information

1. Scope

1.1 This specification establishes the requirements for naval brass rod, bar, and shapes produced from Copper Alloy UNS Nos. C46200, C46400, C47940, C48200, or C48500.

1.1.1 For piston-finish rod or shafting refer to the Other Requirements Section.

1.1.2 For hot forging material, refer to Specification B124/B124M.

1.2 Units—The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. 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 specification.

1.3 WarningMercury is a definite health hazard in use and disposal (see Performance Requirements).

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

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
B154-16(2022)	Standard Test Method for Mercurous Nitrate Test for Copper Alloys
B249/B249M-23	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
E18-25	Standard Test Methods for Rockwell Hardness of Metallic Materials
B601-24	Standard Classification for Temper Designations for Copper and Copper Alloys—Wrought and Cast
B858-06(2024)	Standard Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys
E8/E8M-25	Standard Test Methods for Tension Testing of Metallic Materials
B124/B124M-20	Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes

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