ASTM A126 - 04(2014) Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ASTM A126 - 04(2014)

Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

Active Standard ASTM A126 | Developed by Subcommittee: A04.01

Book of Standards Volume: 01.02

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Abstract

This guide covers standard specification for three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittings, and flanges. Chemical analysis shall be performed in each lot and shall conform to the required chemical composition for phosphorous and sulfur. Tension test shall be conducted on each class of gray iron castings and shall conform to the specified values of tensile strength. Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittings, and flanges.

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.

Note 1—The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

A48/A48M Specification for Gray Iron Castings

A644 Terminology Relating to Iron Castings

E8 Test Methods for Tension Testing of Metallic Materials

ICS Code

ICS Number Code 23.040.40 (Metal fittings); 23.040.60 (Flanges, couplings and joints)

UNSPSC Code

UNSPSC Code 31101617(Grey iron sand casting); 40170000(Pipe piping and pipe fittings)

Referencing This Standard

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DOI: 10.1520/A0126

Citation Format

ASTM A126-04(2014), Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings, ASTM International, West Conshohocken, PA, 2014, www.astm.org