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FORD WSS-M99A3-A

EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***

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Organization: FORD
Publication Date: 28 May 2015
Status: inactive
Page Count: 5
scope:

This specification outlines the conditions that enhance the risk of hydrogen embrittlement and stress corrosion cracking of steel components, fasteners, and cast iron and identifies requirements intended to minimize that risk.

APPLICATION

The requirements established by this specification apply to both heat-treated and cold worked steel and cast iron components.

Hardness values in this specification are in the Vickers scale. All other readings are for reference only. The specified hardness refers to the hardness on the part drawing or product standard and not the actual part hardness.

Document History

WSS-M99A3-A
April 7, 2022
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the embrittlement risk of steel components, steel and aluminum fasteners, and cast iron. Mechanisms include hydrogen embrittlement, stress...
FORD WSS-M99A3-A
January 11, 2016
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the embrittlement risk of steel components, steel and aluminum fasteners, and cast iron. Mechanisms include hydrogen embrittlement, stress...
FORD WSS-M99A3-A
May 28, 2015
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the risk of hydrogen embrittlement and stress corrosion cracking of steel components, fasteners, and cast iron and identifies requirements...
FORD WSS-M99A3-A
March 20, 2012
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the risk of hydrogen embrittlement and stress corrosion cracking of steel components and fasteners and identifies requirements intended to...
FORD WSS-M99A3-A
February 6, 2008
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the risk of hydrogen embrittlement and stress corrosion cracking of steel components and identifies requirements intended to minimize that...
FORD WSS-M99A3-A
February 10, 2005
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
This specification outlines the conditions that enhance the risk of embrittlement of steel components and identifies requirements that need to be satisfied in order to minimize that risk.
FORD WSS-M99A3-A
May 12, 2003
EMBRITTLEMENT AVOIDANCE ***TO BE USED WITH FORD WSS-M99P1111-A***
1. SCOPE This specification outlines the conditions that enhance the risk of embrittlement of steel components and identifies requirements that need to be satisfied in order to minimize that risk.
FORD WSS-M99A3-A
April 12, 2001
EMBRITTLEMENT AVOIDANCE
1. SCOPE This specification identifies requirements that need to be satisfied in order to minimize the risk of embrittlement of steels.
FORD WSS-M99A3-A
May 30, 2000
EMBRITTLEMENT AVOIDANCE
1. SCOPE This specification identifies requirements that need to be satisfied in order to minimize the risk of embrittlement of steels.
WSS-M99A3-A
February 11, 1999
EMBRITTLEMENT AVOIDANCE
1. SCOPE This specification identifies requirements that need to be satisfied in order to minimize the risk of embrittlement of steels.
WSS-M99A3-A
July 29, 1994
EMBRITTLEMENT AVOIDANCE
A description is not available for this item.
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References

This document references:
ASTM B850 - Standard Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement
Published by ASTM on December 10, 1998
This guide covers procedures for reducing the susceptibility in some steels to hydrogen embrittlement or degradation that may arise in the finishing processes. The heat treatment procedures...
This document references:
FORD WSS-M99P1111-A - STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS ***TO BE USED WITH FORD WSS-M99P9999-A1***
Published by FORD on April 4, 2012
This document defines the standard requirements for Production Materials.
This document references:
ISO 9588 - Metallic and other inorganic coatings — Post-coating treatments of iron or steel to reduce the risk of hydrogen embrittlement
Published by ISO on December 15, 2007
This International Standard specifies procedures for reducing susceptibility, or degree of susceptibility, to hydrogen embrittlement that can arise in surface finishing processes. The heat-treatment...
This document is referenced by:
FORD WSS-M3P39-A1 - FASTENER FINISH S452, ZINC PHOSPHATE AND OIL ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on October 10, 2019
The material defined by this specification is a microcrystalline zinc phosphate coating and lubricating oil over steel substrates intended to provide improved torque-tension performance and to...
This document is referenced by:
FORD WSS-M21P44-A1 - CORROSION PROTECTIVE COATING, ZINC NICKEL ALLOY, TRIVALENT PASSIVATE, SILVER ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on March 22, 2016
The materials defined by these specifications are corrosion protective coatings applied sequentially per supplier specifications over steel. They consist of an alkaline zinc nickel alloy...
This document is referenced by:
FORD WSS-M21P44-A3 - CORROSION PROTECTIVE COATING, ZINC NICKEL ALLOY, TRIVALENT PASSIVATE WITH CATHODIC ELECTROCOAT, BLACK ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on January 2, 2019
The materials defined by these specifications are corrosion protective coatings applied sequentially per supplier specifications over steel. They consist of an alkaline zinc nickel alloy...
This document is referenced by:
FORD WSS-M1P95-A1 - PLATING, TIN/ZINC ALLOY, ELECTROPLATED,, OVER FERROUS BASE METAL ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on October 30, 2015
These specifications define the physical and chemical properties required of a neutral electroplated tinzinc alloy and its associated hexavalent chromium free passivate in order to provide the...
This document is referenced by:
FORD WSS-M1P95-A3 - PLATING, TIN/ZINC ALLOY, ELECTROPLATED, OVER FERROUS BASE METAL ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on October 30, 2015
These specifications define the physical and chemical properties required of a neutral electroplated tinzinc alloy and its associated hexavalent chromium free passivate in order to provide the...
This document is referenced by:
FORD WSS-M1P95-A4 - PLATING, TIN/ZINC ALLOY, ELECTROPLATED, OVER FERROUS BASE METAL ***TO BE USED WITH FORD WSS-M99P1111-A***
Published by FORD on October 30, 2015
These specifications define the physical and chemical properties required of a neutral electroplated tinzinc alloy and its associated hexavalent chromium free passivate in order to provide the...
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