ASTM A985-01a
(Specification)Standard Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts
Standard Specification for Steel Investment Castings General Requirements, for Pressure-Containing Parts
SCOPE
1.1 This specification covers a group of common requirements, which are mandatory for steel castings produced by the investment casting process for pressure-containing parts under each of the following ASTM Specifications: Title of SpecificationASTM Designation Steel Castings, Carbon, Suitable for Fusion Welding A 216/A 216Mfor High-Temperature ServiceSteel Castings, Martensitic Stainless and Alloy, for A 217/A 217MPressure-Containing Parts Suitable for High-Temperature Service Castings, Austenitic, Austenitic-Ferritic (Duplex), A 351/A 351Mfor Pressure-Containing PartsSteel Castings, Ferritic and Martensitic, for Pressure- A 352/A 352MContaining Parts Suitable for Low-Temperature Service Steel Castings, Alloy, Specially Heat-Treated, for A 389/A 389MPressure-Containing Parts, Suitable for High-Temperature Service Steel Castings Suitable for Pressure Service A 487/A 487M
1.2 This specification also covers a group of supplementary requirements, which may be applied to the above specifications as indicated therein. These requirements are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.
1.3 When investment casting are ordered, the requirements of this specification shall take precedence over the individual material specification requirements.
1.4 The values stated in either inch-pound or SI units are to be regarded separately as the standard. Within the text, the SI units are shown in parentheses. The values in each system are not exact equivalent; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this specification. Inch-pound units are applicable for material ordered to Specification A 985 and SI units for material ordered to Specification A 985M.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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An American National Standard
Designation: A 985 – 01a
Standard Specification for
Steel Investment Castings General Requirements, for
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Pressure-Containing Parts
This standard is issued under the fixed designation A 985; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
1.1 This specification covers a group of common require-
ments, which are mandatory for steel castings produced by the
2. Referenced Documents
investment casting process for pressure-containing parts under
2.1 ASTM Standards:
each of the following ASTM Specifications:
A 216/A 216M Specification for Steel Castings, Carbon,
Title of Specification ASTM Designation
Suitable for Fusion Welding for High-Temperature Ser-
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Steel Castings, Carbon, Suitable for Fusion Welding A 216/A 216M
vice
for High-Temperature Service
A 217/A 217M Specification for Steel Castings, Martensi-
Steel Castings, Martensitic Stainless and Alloy, for A 217/A 217M
tic Stainless and Alloy, for Pressure-Containing Parts
Pressure-Containing Parts Suitable for High-
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Temperature Service
Suitable for High-Temperature Service
Castings, Austenitic, Austenitic-Ferritic (Duplex), A 351/A 351M
A 351/A 351M Specification for Castings, Austenitic,
for Pressure-Containing Parts
Austenitic-Ferritic (Duplex), for Pressure-Containing
Steel Castings, Ferritic and Martensitic, for Pressure- A 352/A 352M
2
Containing Parts Suitable for Low-Temperature
Parts
Service
A 352/A 352M Specification for Steel Castings, Ferritic
Steel Castings, Alloy, Specially Heat-Treated, for A 389/A 389M
and Martensitic, for Pressure-Containing Parts Suitable for
Pressure-Containing Parts, Suitable for High-
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Temperature Service
Low-Temperature Service
Steel Castings Suitable for Pressure Service A 487/A 487M
A 370 Test Methods and Definitions for Mechanical Testing
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1.2 This specification also covers a group of supplementary
of Steel Products
requirements, which may be applied to the above specifications A 389/A 389M Specification for Steel Castings, Alloy,
as indicated therein. These requirements are provided for use
Specially Heat-Treated, for Pressure-Containing Parts,
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when additional testing or inspection is desired and apply only Suitable for High-Temperature Service
when specified individually by the purchaser in the order.
A 487/A 487M Specification for Steel Castings Suitable
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1.3 When investment casting are ordered, the requirements for Pressure Service
of this specification shall take precedence over the individual
A 488/A 488M Practice for Steel Castings, Welding, Quali-
2
material specification requirements.
fication of Procedures and Personnel
1.4 The values stated in either inch-pound or SI units are to
A 609/A 609M Practice for Castings, Carbon, Low-Alloy,
be regarded separately as the standard. Within the text, the SI
and Martensitic Stainless Steel, Ultrasonic Examination
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units are shown in parentheses. The values in each system are Thereof
not exact equivalent; therefore, each system must be used
A 751 Test Methods, Practices, and Terminology for
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independently of the other. Combining values from the two Chemical Analysis of Steel Products
systems may result in nonconformance with this specification.
A 800/A 800M Practice for Steel Castings, Austentic Alloy,
2
Inch-pound units are applicable for material ordered to Speci- Estimating Ferrite Content Thereof
fication A 985 and SI units for material ordered to Specification
A 903/A 903M Specification for Steel Castings, Surface
A 985M. Acceptance Standards, Magnetic Particle and Liquid Pen-
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1.5 This standard does not purport to address all of the
etrant Inspection
safety concerns, if any, associated with its use. It is the A 941 Terminology Relating to Steel, Stainless Steel, Re-
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responsibility of the user of this standard to establish appro-
lated Alloys, and Ferroalloys
A 991/A 991M Test Method for Conducting Temperature
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This practice is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
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A01.18 on Castings. Annual Book of ASTM Standards, Vol 01.02.
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Current edition approved Dec. 10, 2001. Published February 2002. Originally Annual Book of ASTM Standards, Vol 01.03.
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published as A 985 – 98. Last previous edition A 985 – 01. Annual Book of ASTM Standards, Vol 01.01.
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