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ASTM A986/A986M

Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings

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Organization: ASTM
Publication Date: 10 September 2001
Status: active
Page Count: 3
ICS Code (Iron and steel forgings): 77.140.85
scope:

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

For 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.

The 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.

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

The 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 necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

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.

Document History

ASTM A986/A986M
September 10, 2001
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. For the purpose of magnetic particle...
September 10, 2001
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. For the purpose of magnetic particle indication...
September 10, 2001
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. For the purpose of magnetic particle...
September 10, 2001
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. For the purpose of magnetic particle...
September 10, 2001
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
Scope This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. For the purpose of magnetic particle...
March 10, 1998
Standard Specification for Magnetic Particle Examination of Continuous Grain Flow Crankshaft Forgings
1. Scope 1.1 This specification covers the magnetic particle examination of forged continuous grain flow (CGF) crankshafts intended for medium speed diesel engines. 1.2 For the purpose of magnetic...

References

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