ASTM B249 PDF

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Limits may be established and analysis required 2b49 unnamed elements by agreement between the manufacturer or supplier and the purchaser. Table 13—Length tolerances for full-length pieces applicable to Speci? Rounded Unit for Observed or Calculated Value.

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More B The pipe and tube shall be produced from hollow extrusion ingot cast in hollow form, or drilled, or pierced from solid ingot and shall be extruded by use of the die and mandrel method. The material shall conform to the chemical composition requirements specified.

The determination of chemical composition shall be made in accordance with suitable chemical test methods E 34 or spectrochemical test methods E , E , and E methods.

Alloys may be solution heat-treated and quenched at the extrusion press in accordance with practice B for the production of T4 and T6-type tempers, as applicable. The material shall conform to the tensile property requirements specified. The tension tests shall be made in accordance with test methods B The stress-corrosion cracking test shall be performed on extruded tube.

The stress-corrosion test shall be made in accordance with test method G 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. Scope 1. The standard sizes for seamless pipe are listed in Table Nonstandard alloys, tempers, and sizes of pipe are produced as seamless extruded tube.

The equivalent Unified Numbering System alloy designations are those of Table 5 preceded by A9, for example, A for aluminum in accordance with Practice E 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.

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