Standard Historical Last Updated: Dec 20, 2012 Track Document
ASTM A372/A372M-03

Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels

Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels A0372_A0372M-03 ASTM|A0372_A0372M-03|en-US Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels Standard new BOS Vol. 01.05 Committee A01
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Scope

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 inch-pound or SI [metric] units are to be regarded separately as the standard. Within the text and the tables, 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.

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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Details
Book of Standards Volume: 01.05
Developed by Subcommittee: A01.06
Pages: 5
DOI: 10.1520/A0372_A0372M-03