ASTM B427-09

Standard Specification for Gear Bronze Alloy Castings

STANDARD published on 1.10.2009

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The information about the standard:

Designation standards: ASTM B427-09
Note: WITHDRAWN
Publication date standards: 1.10.2009
SKU: NS-6650
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B427-09 :

Keywords:

bronze castings, copper-base castings, gear castings, gear bronze, Bronze castings--specifications, Copper alloy castings--specifications, Gear bronze (casting), ICS Number Code 77.150.30 (Copper products)

Additional information

1. Scope

1.1 This specification establishes requirements for alloys whose copper alloy numbers and nominal compositions are shown in Table 1. The castings may be furnished as one of three types: static chill, centrifugal chill, or sand cast.

1.2 The values stated in inch-pound units are to be regarded as the standard. SI values given in parentheses are for information purposes only.

TABLE 1 Nominal Composition

Copper Alloy UNS No.	Previously Used Designation	Composition, %
Copper Alloy UNS No.	Previously Used Designation	Copper	Tin	Nickel	Lead	Phos- phorus
C90800	A	87.8	12.0	...	0	0.2
C91700	B	86.3	12.0	1.5	0	0.2
C90700	...	87.8	11.0	...	0	0.2
C91600	C	88.0	10.3	1.5	0	0.2
C92900	D	83.5	10.0	3.5	2.8	0.2

2. Referenced Documents

E8/E8M-24	Standard Test Methods for Tension Testing of Metallic Materials
B950-23	Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
B824-17	Standard Specification for General Requirements for Copper Alloy Castings
B208-14(2021)	Standard Practice for Preparing Tension Test Specimens for Copper Alloy Sand, Permanent Mold, Centrifugal, and Continuous Castings
E10-23	Standard Test Method for Brinell Hardness of Metallic Materials
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

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