ASTM A985-01
(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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Designation: A 985 – 01 An American National Standard
Standard Specification for
Steel Investment Castings General Requirements, for
1
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 bility of regulatory limitations prior to use.
1.1 This specification covers a group of common require-
2. Referenced Documents
ments, which are mandatory for steel castings produced by the
2.1 ASTM Standards:
investment casting process for pressure-containing parts under
A 216/A 216M Specification for Steel Castings, Carbon,
each of the following ASTM Specifications:
Suitable for Fusion Welding for High-Temperature Ser-
Title of Specification ASTM Designation
2
vice
Steel Castings, Carbon, Suitable for Fusion Welding A 216/A 216M
A 217/A 217M Specification for Steel Castings, Martensi-
for High-Temperature Service
tic Stainless and Alloy, for Pressure-Containing Parts
Steel Castings, Martensitic Stainless and Alloy, for A 217/A 217M
2
Suitable for High-Temperature Service
Pressure-Containing Parts Suitable for High-
Temperature Service
A 351/A 351M Specification for Castings, Austenitic,
Castings, Austenitic, Austenitic-Ferritic (Duplex), A 351/A 351M
Austenitic-Ferritic (Duplex), for Pressure-Containing
for Pressure-Containing Parts
2
Parts
Steel Castings, Ferritic and Martensitic, for Pressure- A 352/A 352M
Containing Parts Suitable for Low-Temperature
A 352/A 352M Specification for Steel Castings, Ferritic
Service
and Martensitic, for Pressure-Containing Parts Suitable for
Steel Castings, Alloy, Specially Heat-Treated, for A 389/A 389M
2
Low-Temperature Service
Pressure-Containing Parts, Suitable for High-
Temperature Service
A 370 Test Methods and Definitions for Mechanical Testing
Steel Castings Suitable for Pressure Service A 487/A 487M
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of Steel Products
1.2 This specification also covers a group of supplementary
A 389/A 389M Specification for Steel Castings, Alloy,
requirements, which may be applied to the above specifications Specially Heat-Treated, for Pressure-Containing Parts,
2
as indicated therein. These requirements are provided for use
Suitable for High-Temperature Service
when additional testing or inspection is desired and apply only A 487/A 487M Specification for Steel Castings Suitable
2
when specified individually by the purchaser in the order.
for Pressure Service
1.3 When investment casting are ordered, the requirements A 488/A 488M Practice for Steel Castings, Welding, Quali-
2
of this specification shall take precedence over the individual
fication of Procedures and Personnel
material specification requirements.
A 609/A 609M Practice for Castings, Carbon, Low-Alloy,
1.4 The values stated in either inch-pound or SI units are to
and Martensitic Stainless Steel, Ultrasonic Examination
2
be regarded separately as the standard. Within the text, the SI
Thereof
units are shown in parentheses. The values in each system are A 751 Test Methods, Practices, and Terminology for
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not exact equivalent; therefore, each system must be used
Chemical Analysis of Steel Products
independently of the other. Combining values from the two A 800/A 800M Practice for Steel Castings, Austentic Alloy,
2
systems may result in nonconformance with this specification.
Estimating Ferrite Content Thereof
Inch-pound units are applicable for material ordered to Speci- A 903/A 903M Specification for Steel Castings, Surface
fication A 985 and SI units for material ordered to Specification
Acceptance Standards, Magnetic Particle and Liquid Pen-
2
A 985M. etrant Inspection
4
1.5 This standard does not purport to address all of the
A 919 Terminology Relating to Heat Treatment of Metals
safety concerns, if any, associated with its use. It is the E 29 Practice for Using Significant Digits in Test Data to
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responsibility of the user of this standard to establish appro-
Determine Conformance with Specifications
6
priate safety and health practices and determine the applica- E 94 Guide for Radiographic Examination
1 2
This practice is under the jurisdiction of ASTM Committee A01 on Steel, Annual Book of ASTM Standards, Vol 01.02.
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Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 01.03.
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A01.18 on Castings. Discontinued. See 1999 Annual Book of ASTM Standards, Vol 01.01.
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Current edition approved Oct. 10, 2001. Published December 2001. Originally Annual Book of ASTM Standards, Vol 14.02.
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published as A 985 – 98. Last previous edition A 985 – 98a. Annual Book of ASTM Standards, Vol 03.03.
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