ASTM B783-10
(Specification)Standard Specification for Materials for Ferrous Powder Metallurgy (P/M) Structural Parts
Standard Specification for Materials for Ferrous Powder Metallurgy (P/M) Structural Parts
ABSTRACT
This specification covers a variety of ferrous powder metallurgy structural materials and includes a classification system or material designation code. The classification system includes chemical composition, minimum offset yield strength for as-sintered materials, minimum ultimate tensile strength for heat-treated materials (sinter hardened or quenched and tempered), minimum density, and maximum coercive field strength requirements for iron-phosphorus materials. Structural parts shall be made by pressing and sintering metal powders with or without subsequent heat treatment. Parts may also be made by repressing or repressing and resintering sintered parts, if necessary, with or without subsequent heat treatment to produce finished parts conforming to the requirements of this specification. The material shall conform to the chemical composition requirements for iron, copper, carbon, nickel, molybdenum, chromium, manganese, silicon, sulfur, phosphorus, nitrogen, columbium, and oxygen. The material shall be subjected to chemical analysis and mechanical tests.
SCOPE
1.1 This specification covers a variety of ferrous PM structural materials and includes a classification system or material designation code. The classification system used in this specification includes chemical composition, minimum tensile; 0.2 % offset yield strength for as-sintered materials and minimum ultimate tensile strength for heat-treated materials (sinter hardened or quenched and tempered). It also contains minimum density and maximum coercive field strength requirements for iron-phosphorus materials.
1.2 Material classification is governed by the designation code which is explained in Appendix X1. The data provided display typical mechanical properties achieved under commercial manufacturing procedures. Physical and mechanical property performance characteristics can change as a result of subsequent processing steps beyond the steps designated in this standard.
1.3 With the exception of density values for which the g/cm3 unit is the industry standard, property values stated in inch-pound units are the standard. Values in SI units result from conversion in accordance with . They may be approximate and are only for information.
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Designation:B783 −10
StandardSpecification for
Materials for Ferrous Powder Metallurgy (PM) Structural
1
Parts
This standard is issued under the fixed designation B783; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* Powder Metallurgy (PM) Products Using Archimedes’
Principle
1.1 This specification covers a variety of ferrous PM struc-
B963 Test Methods for Oil Content, Oil-Impregnation
tural materials and includes a classification system or material
Efficiency, and Interconnected Porosity of Sintered Pow-
designation code. The classification system used in this speci-
der Metallurgy (PM) Products Using Archimedes’ Prin-
fication includes chemical composition, minimum tensile;
ciple
0.2% offset yield strength for as-sintered materials and mini-
E8Test Methods for Tension Testing of Metallic Materials
mum ultimate tensile strength for heat-treated materials (sinter
E29Practice for Using Significant Digits in Test Data to
hardened or quenched and tempered). It also contains mini-
Determine Conformance with Specifications
mum density and maximum coercive field strength require-
E1019Test Methods for Determination of Carbon, Sulfur,
ments for iron-phosphorus materials.
Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt
1.2 Material classification is governed by the designation
Alloys by Various Combustion and Fusion Techniques
code which is explained in Appendix X1. The data provided
IEEE/ASTM SI 10American National Standard for Use of
display typical mechanical properties achieved under commer-
theInternationalSystemofUnits(SI):TheModernMetric
cial manufacturing procedures. Physical and mechanical prop-
System
erty performance characteristics can change as a result of
3
2.2 MPIF Standard:
subsequentprocessingstepsbeyondthestepsdesignatedinthis
MPIF Standard35Materials Standards for PM Structural
standard.
Part
1.3 With the exception of density values for which the
3
g/cm unit is the industry standard, property values stated in
3. Terminology
inch-poundunitsarethestandard.ValuesinSIunitsresultfrom
3.1 Definitions—Definitions of powder metallurgy terms
conversion in accordance with IEEE/ASTM SI 10. They may
can be found in Terminology B243. Additional descriptive
be approximate and are only for information.
informationisavailableintheRelatedMaterialssectionofVol
02.05 of the Annual Book of ASTM Standards.
2. Referenced Documents
2
2.1 ASTM Standards:
4. Ordering Information
A839Specification for Iron-Phosphorus Powder Metallurgy
4.1 Materialsforpartsconformingtothisspecificationshall
(P/M) Parts for Soft Magnetic Applications
be ordered by material designation code.
B243Terminology of Powder Metallurgy
B528Test Method for Transverse Rupture Strength of Pow-
4.2 Ordersforpartsunderthisspecificationmayincludethe
der Metallurgy (PM) Specimens
following information:
B962Test Methods for Density of Compacted or Sintered
4.2.1 Certification and test reports, if required (see Section
11),
4.2.2 Test methods and mechanical properties other than
1
This specification is under the jurisdiction ofASTM Committee B09 on Metal
strength (see 8.2 and 8.3),
Powders and Metal Powder Products and is the direct responsibility of Subcom-
4.2.3 Density (see 7.1),
mittee B09.05 on Structural Parts.
Current edition approved Jan. 1, 2010. Published December 2010. Originally
4.2.4 Porosity or oil content (see 7.2), and
approved in 1988. Last previous edition approved in 2004 as B783–04. DOI:
4.2.5 Special packaging if required.
10.1520/B0783-10.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Available from MPIF, 105 College Road East, Princeton, NJ 08540.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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B783−10
5. Materials and Manufacture 8. Mechanical Properties
8.1 The guaranteed properties shown in Tables 2-12 are
5.1 Structural parts shall be made by compacting and
sintering metal powders with or without subsequent heat included in the suffix of the material designation code. The
code is adopted from MPIF Standard35. All tensile strengths
-treating. Parts may also be made by repressing or repressing
3
and resintering sintered parts, if necessary, with or without are read as 10 psi, and are defined as the 0.2% offset yield
strength for as-sinte
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:B783–04 Designation: B783 – 10
Standard Specification for
Materials for Ferrous Powder Metallurgy (P/M)(PM)
1
Structural Parts
This standard is issued under the fixed designation B783; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This specification covers a variety of ferrous P/MPM structural materials and includes a classification system or material
designationcode.Theclassificationsystemusedinthisspecificationincludeschemicalcomposition,minimumtensile;0.2 %offset
yield strength for as-sintered materials and minimum ultimate tensile strength for heat-treated materials (sinter hardened or
quenchedandtempered).Italsocontainsminimumdensityandmaximumcoercivefieldstrengthrequirementsforiron-phosphorus
materials.
1.2 Material classification is governed by the designation code which is explained inAppendix X1. The data provided display
typical mechanical properties achieved under commercial manufacturing procedures. Physical and mechanical property
performance characteristics can change as a result of subsequent processing steps beyond those designated in this standard. These
changes could improve or degrade the properties.
1.2Property values stated in inch-pound units are the standard. Conversion factors to SI units may be approximate. . The data
provided display typical mechanical properties achieved under commercial manufacturing procedures. Physical and mechanical
property performance characteristics can change as a result of subsequent processing steps beyond the steps designated in this
standard.
3
1.3 With the exception of density values for which the g/cm unit is the industry standard, property values stated in inch-pound
units are the standard. Values in SI units result from conversion in accordance with IEEE/ASTM SI 10. They may be approximate
and are only for information.
2. Referenced Documents
2
2.1 ASTM Standards:
A839 Specification for Iron-Phosphorus Powder Metallurgy (P/M) Parts for Soft Magnetic Applications
B243 Terminology of Powder Metallurgy B328Test Method for Density, Oil Content, and Interconnected Porosity of Sintered
Metal Structural Parts and Oil-Impregnated Bearings
B528 Test Method for Transverse Rupture Strength of Powder Metallurgy (PM) Specimens
B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle
B963 Test Methods for Oil Content, Oil-Impregnation Efficiency, and Interconnected Porosity of Sintered Powder Metallurgy
(PM) Products Using Archimedes’ Principle
E8 Test Methods for Tension Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by
VariousCombustionandFusionTechniquesTestMethodsforDeterminationofCarbon,Sulfur,Nitrogen,andOxygeninSteel,
Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques
IEEE/ASTM SI 10 American National Standard for Use of the International System of Units (SI): The Modern Metric System
3
2.2 Other Standard: MPIF Standard:
MPIF Standard 35Materials Standard for P/M Structural Parts Materials Standards for PM Structural Part
1
This specification is under the jurisdiction of ASTM Committee B09 on Metal Powders and Metal Powder Products and is the direct responsibility of Subcommittee
B09.05 on Structural Parts.
´1
CurrenteditionapprovedMay1,2004.PublishedJune2004.Originallyapprovedin1988.Lastpreviouseditionapprovedin1999asB783–99 .DOI:10.1520/B0783-04.
Current edition approved Jan. 1, 2010. Published December 2010. Originally approved in 1988. Last previous edition approved in 2004 as B783–04. DOI:
10.1520/B0783-10.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from MPIF, 105 College Road East, Princeton, NJ 08540.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
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B783 – 10
3. Terminolog
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