ASTM A336/A336M REV A: Standard Specification for Alloy Steel Forgings for Pressure and High-Temperature Parts
SDO: ASTM: ASTM International
DOD Adopted ANSI Approved Approved
This specification2 covers ferritic steel forgings for boilers, pressure vessels, high-temperature parts, and associated equipment.
Forgings made of steel grades listed in Specification A335/A335M, may also be ordered under this specification. The chemical, tensile, heat treatment, and marking requirements of Specification A335/A335M shall apply, except the forging shall conform to the chemical requirements of Tables 1 and 2 of Specification A335/A335M only with respect to heat analysis. On product analysis they may deviate from these limits to the extent permitted in Table 1 of this specification.
Supplementary Requirements S1 to S9 are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.
Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inchpound units.
Specification A336/A336M formerly included austenitic steel forgings, which are now found in Specification A965/ A965M.
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.
2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-336/SA-336M in Section II of that Code.
*A Summary of Changes section appears at the end of this standard.
- chromium alloy steel
- chromium-molybdenum steel
- martensitic stainless steel
- pressure containing parts
- pressure vessel service
- steel forgings—alloy
- temperature service applications—high
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