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.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

MPIF Standard

Keywords

compressive ; ductility; elastic; endurance; fatigue; hardness; hybrid; impact; low-alloy; microindentation; PM steel; Poisson's; stainless; Young's; Sintered metal powder parts--structural; Steel; Structural building materials/applications--specifications; Structural metals/alloys--specifications; Ferrous metals/alloys--specifications; Iron-nickel-chromium alloys--specifications; Iron powder; Nickel alloys--specifications; Nickel alloys (powder metallurgy applications); Nickel steel; Powder metallurgy (P/M) materials--specifications; Carbon steel--specifications;

ICS Code

ICS Number Code 77.160 (Powder metallurgy)

Citing ASTM Standards

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