Pressure Vessel Plates, Alloy Steel, Molybdenum: Standard Specification For
Pressure Vessel Plates, Alloy Steel, Molybdenum: Standard Specification For
Pressure Vessel Plates, Alloy Steel, Molybdenum: Standard Specification For
This standard has been approved for use by agencies of the Department of Defense.
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A 204/A 204M – 03
4. Materials and Manufacture 6. Chemical Requirements
4.1 Steelmaking Practice—The steel shall be killed. 6.1 The steel shall conform to the chemical requirements
given in Table 1 unless otherwise modified in accordance with
5. Heat Treatment Supplementary Requirement S17, Vacuum Carbon-Deoxidized
Steel, in Specification A 20/A 20M.
5.1 Plates 11⁄2 in. [40 mm] and under in thickness are
normally supplied in the as-rolled condition. The plates may be 7. Mechanical Requirements
ordered normalized or stress relieved or both. 7.1 Tension Test Requirements—The plates, as represented
5.2 Plates over 11⁄2 in. [40 mm] in thickness shall be by the tension-test specimens, shall conform to the require-
normalized. ments given in Table 2.
SUPPLEMENTARY REQUIREMENTS
Supplementary requirements shall not apply unless specified in the purchase order.
A list of standardized supplementary requirements for use at the option of the purchaser is included
in Specification A 20/A 20M. Those that are considered suitable for use with this specification are
listed in this section by title.
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A 204/A 204M – 03
SUMMARY OF CHANGES
Committee A01 has identified the location of selected changes to this standard since the last issue (A 204/A
204M – 93 (1999)) that may impact the use of this standard.
(1) Added 3.5 and Note 1 to be consistent with the terminology (2) 3.3 was revised to be more general.
and requirements of Specification A 20/A 20M.
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