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  • ASTM
    B795-07 Standard Test Method for Determining the Percentage of Alloyed or Unalloyed Iron Contamination Present in Powder Forged (PF) Steel Materials
    Edition: 2007
    $91.10
    Unlimited Users per year

Description of ASTM-B795 2007

ASTM B795 - 07

Standard Test Method for Determining the Percentage of Alloyed or Unalloyed Iron Contamination Present in Powder Forged (PF) Steel Materials

Active Standard ASTM B795 | Developed by Subcommittee: B09.11

Book of Standards Volume: 02.05




ASTM B795

Significance and Use

Cross product contamination occurs whenever alloy steel powders are processed in the same equipment as iron powders.

Unalloyed iron particles, because they may not harden upon heat treatment, are a potential source of soft spots in low-alloy steel parts.

Alloyed iron particles, having higher hardenability than an iron or carbon steel matrix, are a potential source of hard spots.

Hard or soft spots may cause problems in service or machining.

The results of the tests may be used to qualify parts for shipment in accordance with guidelines agreed between purchaser and manufacturer or to check the suitability of mixes for use in powder forging.

1. Scope

1. Scope

1.1 This test method covers a metallographic procedure for determining the percentage of alloyed or unalloyed iron contamination present in powder forged low-alloy steel materials and the percentage of alloyed iron contamination in powder forged iron and carbon steel materials.

1.2 Property values stated in SI units are the standard.

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.


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

B243 Terminology of Powder Metallurgy

E3 Guide for Preparation of Metallographic Specimens


Keywords

cross product contamination; powder forging (PF); powder forged (PF) parts and test specimens; powder forged (PF) steels;


ICS Code

ICS Number Code 77.160 (Powder metallurgy)


DOI: 10.1520/B0795-07

ASTM International is a member of CrossRef.

ASTM B795

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Format Year Publisher Type Title Annual Price
2002
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1997
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2013
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2020
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2024
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2024
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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.
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