ASTM-A995 2012

$35.75

A995/A995M-12e1 Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts

Published By	Publication Date	Number of Pages
ASTM	2012	4

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Categories: 77.140.80 - Iron and steel castings, ASTM

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Description

ASTM A995/A995M-12e1

Historical Standard: Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts

ASTM A995/A995M

Scope

1.1 This specification covers austenitic-ferritic (duplex) stainless steel castings for valves, flanges, fittings, and other pressure-containing parts.

1.2 The duplex stainless steels offer a combination of enhanced mechanical properties and corrosion resistance when properly balanced in composition and properly heat treated. Ferrite levels are not specified, but these grades will develop a range of approximately 30 to 60 % ferrite with the balance austenite. It is the responsibility of the purchaser to determine which grade shall be furnished depending on design and service conditions, mechanical properties, and corrosion-resistant characteristics.

Note 1—Because of the possibility of precipitation of embrittling phases, the grades included in this specification are not recommended for service at temperatures above 600°F [315°C].

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 non-conformance with the standard.

Keywords

austenitic-ferritic; duplex stainless steel; pressure-containing; steel castings

ICS Code

ICS Number Code 77.140.80 (Iron and steel castings)

DOI: 10.1520/A0995_A0995M-12E01

Additional information

Standard Title	A995/A995M-12e1 Standard Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts
Published Code	ASTM
Publication Date	2012
Pages Count	4
ICS Codes	77.140.80 - Iron and steel castings