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Description of ASTM-A744 2013ASTM A744 / A744M - 13Standard Specification for Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe ServiceActive Standard ASTM A744 / A744M | Developed by Subcommittee: A01.18 Book of Standards Volume: 01.02 ASTM A744 / A744MAbstract This specification covers standard requirements for iron-chromium-nickel alloy, stainless steel castings intended for particularly severe corrosive applications. Alloys shall be melted by the electric furnace process with or without refining such as argon-oxygen-decarburization. Castings shall be heat treated and shall conform to the required heat treatment conditions. The materials shall conform with the prescribed chemical requirements for carbon, manganese, silicon, phosphorus, sulfur, chromium, nickel, molybdenum, columbium, copper, selenium, tungsten, vanadium, iron, and nitrogen. 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 iron-chromium-nickel alloy, stainless steel castings intended for particularly severe corrosive applications. 1.2 This specification requires postweld heat-treatment of all weld repairs affecting surfaces intended to be wetted by the corrosive medium. For applications for which postweld heat-treatment is not considered mandatory for retention of acceptable corrosion resistance, refer to Specification A743/A743M .
Note 1 For general corrosion-resistant alloy castings, reference should be made to Specification A743/A743M .
For general heat-resistant alloy castings, reference should be made to Specification A297/A297M . For nickel-base alloy castings, refer to Specification A494/A494M .
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. 1.3.1 Within the text, the SI units are shown in brackets. 1.3.2 Inch-pound units are applicable for material ordered to Specification A744 and SI units for material ordered to Specification A744M.
ASTM Standards A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels A297/A297M Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application A370 Test Methods and Definitions for Mechanical Testing of Steel Products A494/A494M Specification for Castings, Nickel and Nickel Alloy A732/A732M Specification for Castings, Investment, Carbon and Low Alloy Steel for General Application, and Cobalt Alloy for High Strength at Elevated Temperatures A743/A743M Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application A781/A781M Specification for Castings, Steel and Alloy, Common Requirements, for General Industrial Use A957 Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications American Welding Society Standards AWS?A5.11 Specification for Nickel and Nickel Alloy Covered Welding Electrodes AWS?A5.14 Specification for Nickel and Nickel Alloy Bare Welding Rods and ElectrodesKeywords austenitic stainless steel; corrosion; stainless steel; steel castings; ICS Code ICS Number Code 77.140.80 (Iron and steel castings) DOI: 10.1520/A0744_A0744M ASTM International is a member of CrossRef. ASTM A744 / A744MThe following editions for this book are also available...
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