ASTM A372/A372M-03(2008) PDF

1.1 This specification covers relatively thin-walled forgings (including gas bottles) for pressure vessel use. Three types of carbon steel and six types of alloy steel are included. Provision is made for integrally forging the ends of vessel bodies made from seamless pipe or tubing.

Note 1 - When working to the chemical and tensile requirements of this specification, the influence of wall thickness and cooling rate will necessarily eliminate certain forging sizes in each class.

Note 2 - Designations have been changed as follows:

CurrentFormerly Grade AType I Grade BType II Grade CType III Grade DType IV Grade E Class 55Type V Grade 1 Class 55 Grade E Class 65Type V Grade 1 Class 65 Grade E Class 70Type V Grade 1 Class 70 Grade F Class 55Type V Grade 2 Class 55 Grade F Class 65Type V Grade 2 Class 65 Grade F Class 70Type V Grade 2 Class 70 Grade G Class 55Type V Grade 3 Class 55 Grade G Class 65Type V Grade 3 Class 65 Grade G Class 70Type V Grade 3 Class 70 Grade H Class 55Type V Grade 4 Class 55 Grade H Class 65Type V Grade 4 Class 65 Grade H Class 70Type V Grade 4 Class 70 Grade J Class 55Type V Grade 5 Class 55 Grade J Class 65Type V Grade 5 Class 65 Grade J Class 70Type V Grade 5 Class 70 Grade KType VI Grade LType VII Grade J Class 110Type VIII Grade M Class 85Type IX Class A Grade M Class 100Type IX Class B

1.2 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 Unless the order specifies the applicable "M" specification designation (SI units), the material shall be furnished to inch-pound units.

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Number of Pages :	4
Published :	03/01/2008
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