ASTM A 225/A225M : 1993 : R1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Standard Specification for Pressure Vessel Plates, Alloy Steel, Manganese-Vanadium-Nickel
Hardcopy , PDF
11-11-2014
English
09-10-1999
1.1 This specification covers manganese-vanadium-nickel alloy steel plates intended primarily for welded layered pressure vessels.
1.2 Material under this specification is available in two grades having different strength levels as follows:
Tensile Strength, Grade ksi [Mpa] C 105-135 [725-930] D 3 in.[75 mm] and under 80-105 [550-725] Over 3 in.[75 mm] 75-100 [515-690]1.3 The maximum thickness of plates is limited only by the capacity of the chemical composition to meet the specified mechanical property requirements; however, current mill practice normally limits Grade C to 0.58 in. [15 mm] maximum and Grade D to 6 in. [150 mm] maximum.
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
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