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ASTM A859/A859M

Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components

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Organization: ASTM
Publication Date: 1 March 2004
Status: active
Page Count: 5
ICS Code (Steels for pressure purposes): 77.140.30
scope:

This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenum-columbium alloy steel forgings for pressure vessel components.

Forgings under this specification are available as Grades A or B. Grade A may be ordered in one or two classes as follows:

Grade A Class 1-Normalized-and-precipitation-heat-treated, providing a minimum yield strength of 55 ksi [380 MPa] and a minimum tensile strength of 65 ksi [450 MPa].

Grade A Class 2-Quenched-and-precipitation-heat-treated, providing a minimum yield strength of 65 ksi [450 MPa] and a minimum tensile strength of 75 ksi [515 MPa].

Grade A was the original steel composition in this specification.

Although the material is readily weldable, welding procedures are of fundamental importance and must be such as not to affect adversely the properties of the material, especially in the heat-affected zone. It is presupposed that welding procedures will be suitable for the material being welded.

Supplementary requirements, including those applicable in Specification A788/A788M, are provided for use when additional testing or inspection is desired. These shall apply only when specified individually by the purchaser in the order.

The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other and values from the two systems shall not be combined.

This specification is expressed in both inch-pound and SI units. However, unless the order specifies the applicable "M" specification designation [SI units], the material shall be furnished to inch-pound units.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM A859/A859M
March 1, 2004
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenum-columbium alloy steel forgings for pressure vessel components. Forgings under this specification...
March 1, 2004
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenumcolumbium alloy steel forgings for pressure vessel components. Forgings under this specification...
March 1, 2004
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenumcolumbium alloy steel forgings for pressure vessel components. Forgings under this specification...
March 1, 2004
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
(Footnote *) This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenum-columbium alloy steel forgings for pressure vessel components. Forgings under this...
September 10, 2002
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenum-columbium alloy steel forgings for pressure vessel components. Forgings under this specification...
January 15, 1995
Standard Specification for Age-Hardening Alloy Steel Forgings for Pressure Vessel Components
1. Scope 1.1 This specification covers requirements for low-carbon age-hardening nickel-copper-chromium-molybdenum-columbium alloy steel forgings for pressure vessel components. 1.2 Forgings under...
December 30, 1988
STANDARD SPECIFICATION FOR: STEEL FORGINGS, LOW-CARBON AGE-HARDENING NICKEL-COPPER-CHROMIUM- MOLYBDENUM-COLUMBIUM ALLOY STEEL, FOR PRESSURE VESSEL COMPONENTS (R 1993)
A description is not available for this item.
July 21, 1988
STANDARD SPECIFICATION FOR: STEEL FORGINGS, LOW-CARBON AGE-HARDENING NICKEL-COPPER-CHROMIUM- MOLYBDENUM-COLUMBIUM ALLOY STEEL, FOR PRESSURE VESSEL COMPONENTS
A description is not available for this item.
June 27, 1986
STANDARD SPECIFICATION FOR: STEEL FORGINGS, LOW-CARBON AGE- HARDENING NICKEL- COPPER-CHROMIUM- MOLYBDENUM-COLUMBIUM ALLOY STEEL, FOR PRESSURE VESSEL COMPONENTS
A description is not available for this item.

References

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