ASTM B925-15(2022)
Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens

Standard No.

ASTM B925-15(2022)

Release Date

2022

Published By

American Society for Testing and Materials (ASTM)

Latest

ASTM B925-15(2022)

Scope

1.1 These standard practices cover the specifications for those uniaxially compacted test specimens that are used in ASTM standards, the procedures for producing and preparing these test specimens, and reference the applicable standards. 1.2 Basic tool design and engineering information regarding the tooling that is required to compact the test specimens and machining blanks are contained in the annexes. 1.3 This standard is intended to be a comprehensive onesource document that can be referenced by ASTM test methods that utilize PM test specimens and in ASTM PM material specifications that contain the engineering data obtained from these test specimens. 1.4 These practices are not applicable to metal powder test specimens that are produced by other processes such as cold isostatic pressing (CIP), hot isostatic pressing (HIP), powder forging (PF) or metal injection molding (MIM). They do not pertain to cemented carbide materials. 1.5 Detailed information on PM presses, compacting tooling and sintering furnaces, their design, manufacture and use are not within the scope of these practices. 1.6 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.7 This standard may involve hazardous materials, operations, and equipment. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.8 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.

ASTM B925-15(2022) Referenced Document

• ASTM A34/A34M Standard Practice for Sampling and Procurement Testing of Magnetic Materials
• ASTM A341/A341M Standard Test Method for Direct Current Magnetic Properties of Soft Magnetic Materials Using D-C Permeameters and the Point by Point (Ballistic) Test Methods*， 2022-10-01 Update
• ASTM A596/A596M Standard Test Method for Direct-Current Magnetic Properties of Materials Using the Ballistic Method and Ring Specimens
• ASTM A773/A773M Standard Test Method for dc Magnetic Properties of Materials Using Ring and Permeameter Procedures with dc Electronic Hysteresigraphs
• ASTM A811 Standard Specification for Soft Magnetic Iron Parts Fabricated by Powder Metallurgy (P/M) Techniques
• ASTM A839 Standard Specification for Iron-Phosphorus Powder Metallurgy Parts for Soft Magnetic Applications*， 2023-04-15 Update
• ASTM A904 Standard Specification for 50 Nickel-50 Iron Powder Metallurgy (P/M) Soft Magnetic Alloys
• ASTM A927/A927M Standard Test Method for Alternating-Current Magnetic Properties of Toroidal Core Specimens Using the Voltmeter-Ammeter-Wattmeter Method
• ASTM B215 Standard Practices for Sampling Finished Lots of Metal Powders
• ASTM B243 Standard Terminology of Powder Metallurgy*， 2023-05-01 Update
• ASTM B312 Standard Test Method for Green Strength for Compacted Metal Powder Specimens
• ASTM B331 Standard Test Method for Compressibility of Metal Powders in Uniaxial Compaction
• ASTM B438 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)*， 2024-04-20 Update
• ASTM B439 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
• ASTM B528 Standard Test Method for Transverse Rupture Strength of Metal Powder Specimens
• ASTM B595 Standard Specification for Sintered Aluminum Structural Parts
• ASTM B610 Standard Test Method for Measuring Dimensional Changes Associated with Processing Metal Powders Intended for Die Compaction*， 2023-05-15 Update
• ASTM B783 Standard Specification for Materials for Ferrous Powder Metallurgy (P/M) Structural Parts
• ASTM B817 Standard Specification for Powder Metallurgy (P/M) Titanium Alloy Structural Components
• ASTM B823 Standard Specification for Materials for Nonferrous Powder Metallurgy (P/M) Structural Parts
• ASTM B853 Standard Specification for Powder Metallurgy (P/M) Boron Stainless Steel Structural Components
• ASTM B939 Standard Test Method for Radial Crushing Strength, *， 2024-04-20 Update
• ASTM B962 Standard Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle*， 2023-09-01 Update
• ASTM B963 Standard Test Methods for Oil Content, Oil-Impregnation Efficiency, and Surface-Connected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle*， 2024-02-01 Update
• ASTM E18 Standard Test Methods for Rockwell Hardness of Metallic Materials*， 2022-05-01 Update
• ASTM E1876 Standard Test Method for Dynamic Young's Modulus, Shear Modulus, and Poisson's Ratio by Impulse Excitation of Vibration
• ASTM E228 Standard Test Method for Linear Thermal Expansion of Solid Materials With a Vitreous Silica Dilatometer
• ASTM E23 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials
• ASTM E8 Standard Test Methods for Tension Testing of Metallic Materials
• ASTM E9 Standard Test Methods of Compression Testing of Metallic Materials at Room Temperature

ASTM B925-15(2022) history

• 2022 ASTM B925-15(2022) Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
• 2015 ASTM B925-15 Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
• 2008 ASTM B925-08 Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
• 2003 ASTM B925-03 Standard Practices for Production and Preparation of Powder Metallurgy (P/M) Test Specimens