ASTM-B639 2008(Redline)

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B639-02(2008) Standard Specification for Precipitation Hardening Cobalt-Containing Alloys (UNS R30155 and UNS R30816) Rod, Bar, Forgings, and Forging Stock for High-Temperature Service (Redline)

Published By	Publication Date	Number of Pages
ASTM	2008	5

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Categories: 77.140.60 - Steel bars and rods, 77.140.85 - Iron and steel forgings, ASTM

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Description

Abstract

This specification covers hot- and cold-worked precipitation hardenable cobalt-containing alloys (UNS R30155 and UNS R30816) rod, bar, forgings, and forging stock for high temperature service. The material shall conform to the required chemical composition for carbon, manganese, silicon, phosphorus, sulfur, chromium, nickel, molybdenum, columbium, tantalum, iron, cobalt, and nitrogen. The materials shall conform to the required tensile and hardness properties such namely tensile strength, yield strength, alongation and Brinell hardness. The alloys shall also conform to the required stress-rupture properties. Dimensions such as diameter, thickness, or width, out-of-round, corners, cut lengths, straightness for cold-worked and hot-worked rod and bar shall be measured.

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 hot- and cold-worked precipitation hardenable cobalt-containing alloys (UNS R30155 and UNS R30816) rod, bar, forgings, and forging stock for high-temperature service.

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

1.3 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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

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

B880 Specification for General Requirements for Chemical Check Analysis Limits for Nickel, Nickel Alloys and Cobalt Alloys E8 Test Methods for Tension Testing of Metallic Materials E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications E139 Test Methods for Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys

Keywords

bar; forgings; rod; R30155; R30816; Bars/forging/forging stock–specifications; Cobalt alloys–specifications; Forgings–specifications; Precipitation-hardening metals/alloys–specifications; High-temperature service applications; S-816 alloy; UNS R30155 (Fe-Cr-Ni-Co alloy); UNS R30816 (Co-Cr-Ni-Cb-Mo-W alloy);

ICS Code

ICS Number Code 77.140.60 (Steel bars and rods); 77.140.85 (Iron and steel forgings)

DOI: 10.1520/B0639-02R08 ASTM International is a member of CrossRef.

ASTM B639 (Nonferrous Metal Standards and Nonferrous Alloy Standards)

Citing ASTM Standards

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Additional information

Standard Title	B639-02(2008) Standard Specification for Precipitation Hardening Cobalt-Containing Alloys (UNS R30155 and UNS R30816) Rod, Bar, Forgings, and Forging Stock for High-Temperature Service (Redline)
Published Code	ASTM
Publication Date	2008
Pages Count	5
ICS Codes	77.140.60 - Steel bars and rods 77.140.85 - Iron and steel forgings

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ASTM-B639 2008(Redline)

ASTM B639 (Nonferrous Metal Standards and Nonferrous Alloy Standards)

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