ASTM-A403 2012(Redline)

$26.65

A403/A403M-12 Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings (Redline)

Published By	Publication Date	Number of Pages
ASTM	2012	11

Guaranteed Safe Checkout

Categories: 23.040.40 - Metal fittings, ASTM

If you have any questions, feel free to reach out to our online customer service team by clicking on the bottom right corner. We’re here to assist you 24/7.
Email:[email protected]

Description

Abstract

This specification covers the standard for wrought austenitic stainless steel fittings for pressure piping applications. The material for fittings shall consist of forgings, bars, plates, or seamless or welded tubular products. Forging or shaping operations shall be performed by hammering, pressing, piercing, extruding, upsetting, rolling, bending, fusion welding, machining, or by a combination of two or more of these operations. All fittings shall undergo heat-treatment. Chemical and product analyses shall be performed and shall conform to the required chemical composition in carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, and titanium. Tension test shall be done on the fitting material to determine the tensile properties such as yield strength and tensile strength. Fittings supplied under this specification shall be examined visually for surface discontinuities, surface checks, and mechanical marks.

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 wrought stainless steel fittings for pressure piping applications.

1.2 Several grades of austenitic stainless steel alloys are included in this specification Grades are designated with a prefix, WP or CR, based on the applicable ASME or MSS dimensional and rating standards, respectively.

1.3 For each of the WP stainless grades, several classes of fittings are covered, to indicate whether seamless or welded construction was utilized. Class designations are also utilized to indicate the nondestructive test method and extent of nondestructive examination (NDE). Table 1 is a general summary of the fitting classes applicable to all WP grades of stainless steel covered by this specification. There are no classes for the CR grades. Specific requirements are covered elsewhere.

1.4 This specification is expressed in both inch-pound units and in SI units. However, unless the order specifies the applicable “ M ” specification designation (SI units), the material shall be furnished to inch-pound units.

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

1.6 This specification does not apply to cast steel fittings. Austenitic stainless steel castings are covered in Specifications A351/A351M , A743/A743M , and A744/A744M .

TABLE 1 Fitting Classes for WP Grades

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

A351/A351M Specification for Castings, Austenitic, for Pressure-Containing Parts A743/A743M Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A744/A744M Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products A960/A960M Specification for Common Requirements for Wrought Steel Piping Fittings E112 Test Methods for Determining Average Grain Size E165 Practice for Liquid Penetrant Examination for General Industry

ASME Standards:Ã¢Â€Â‰

ASMEB16.11 Forged Steel Fittings, Socket-Welding and Threaded

MSS Standards:Ã¢Â€Â‰

MSSSP-97 Integrally Reinforced Forged Branch Outlet Fittings–Socket Welding, Threaded and Buttwelding Ends

ASME Boiler and Pressure Vessel Code:Ã¢Â€Â‰

SectionIX, Welding Qualifications

AWS Standards:Ã¢Â€Â‰

A5.14 Specification for Nickel and Nickel-Alloy Bare Welding Rods and Electrodes

Keywords

austenitic stainless steel; corrosive service applications; pipe fittings; steel; piping applications; pressure containing parts; stainless steel fittings ;

ICS Code

ICS Number Code 23.040.40 (Metal fittings)

DOI: 10.1520/A0403_A

Additional information