GS-0062 A Global Heat Treat Standard Latest 1 C.doc

Master Document:
Global Heat-Treat Standard
Standard No.:
GS-0062
Revision level: A
Revision date: 2006-10-24
Author:
David Wills
Process owners/
Reviewers:
Greg Shen, Milan Sukovsky, Tom Loegstrup, Patrick Bicard, Roman Torbus, Stanislawa Wontor, Wilfried Weiss, Wilhelm Lindert
Administrator:
Christine Holst
Approved by:
(Process owner)
Doug McCoy
Date: 2006-10-26
Local Edition:
Language:
Author:
Process owners/
Reviewers:
Administrator:
Approved by :
Date: (YYYY-MM-DD)
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Changes in relation to previous issue are written with red, alternatively for figures and tables with a red frame around.
CONTENTS
Scope
Purpose
Related Documents
Equipment and Pyrometry
General Heat-Treat Requirements
Through-Hardening
Gas Carburizing
Gas Nitriding
Carbonitriding
Gaseous Nitrocarburizing
Salt Bath Nitrocarburizing
Induction Hardening
Hydrogen Embrittlement Relief
Heat-Treat Personnel Qualifications
Testing Requirements
Test Report Requirements
General Operating System Requirements
Appendix A: General Notes
Appendix B: Thickness Limits for Surface Hardness Measurements of Surface Treated Materials
Appendix C: Case Depth Determination According to DIN 50190
Appendix D: Chart Showing Visual Estimation of Per Cent Retained Austenite
SCOPE
This standard establishes general requirements for heat treatment of steel parts by Sauer-Danfoss heat-treat sites and Sauer-Danfoss suppliers and forms an integral part of Sauer-Danfoss detail specifications and engineering prints. When there is a conflict between this standard and the detail specification or the drawing, the drawing shall take precedence first and the detail specification second. Global standards for SQA’s, PPAP’s, and PFMEA’s are an important and integral part of high quality heat treatment, but are not within the scope of this document.

PURPOSE
This standard specifies the minimal requirements for inspection methods, process controls, heat-treat equipment, an