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ASTM A 986/A986M : 2001 : R2016

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
Available format(s)

Hardcopy , PDF

Superseded date

03-04-2021

Language(s)

English

Published date

09-07-2016

CONTAINED IN VOL. 01.05, 2018 Explains the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines.

1.1This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines.

1.2For the purpose of magnetic particle indication assessment, the crankshaft is divided into four zones of decreasing operational stress. Acceptance criteria have been set for each zone.

1.3The engines to which these crankshafts are fitted are commonly used for diesel electric locomotives, marine propulsion, and power generation. Engines fueled by natural gas also fall into this medium speed category.

1.4Specification A983/A983M is a product specification that covers the manufacture of CGF crankshafts.

1.5The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Committee
A 01
DevelopmentNote
Supersedes ASTM A 986 (04/2004)
DocumentType
Standard
Pages
3
ProductNote
Reconfirmed 2016
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM A 788/A788M : 2019 : REV A Standard Specification for Steel Forgings, General Requirements
ASTM A 456/A456M : 2008 : R2018 Standard Specification for Magnetic Particle Examination of Large Crankshaft<brk/> Forgings

ASTM A 966/A966M : 1996 Standard Test Method for Magnetic Particle Examination of Steel Forgings Using Alternating Current
ASTM A 983/A983M : 2004 Standard Specification for Continuous Grain Flow Forged Carbon and Alloy Steel Crankshafts for Medium Speed Diesel Engines
ASTM A 966/A966M : 2015 : REDLINE Standard Practice for Magnetic Particle Examination of Steel Forgings Using Alternating Current

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