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JBT13023-2017

Chinese Standard: 'JBT13023-2017'
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JB/T 13023-2017
JB
MECHANICAL INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 25.200
J 36
Registration number. 57803-2017
Technical requirements of nitride carbonize
and oxidize multi-treatment (QPQ)
氮碳氧复合处理(QPQ)技术要求
ISSUED ON. JANUARY 09, 2017
IMPLEMENTED ON. JULY 01, 2017
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 4 
1 Scope ... 5 
2 Normative references ... 5 
3 Terms and definitions ... 6 
4 Equipment requirements ... 7 
4.1 General requirements... 7 
4.2 Preheating furnace ... 7 
4.3 Nitrocarburizing furnace ... 7 
4.4 Oxidation furnace ... 8 
4.5 Control system ... 9 
4.6 Cleaning device ... 9 
4.7 Polishing equipment ... 10 
4.8 Oil tank ... 10 
4.9 Ventilation system ... 10 
4.10 Lifting system ... 11 
5 Process material requirements ... 11 
5.1 Composition of process materials ... 11 
5.2 Process material properties ... 11 
5.3 Use and Maintenance ... 12 
5.4 Packaging, marking ... 12 
6 Process requirements ... 13 
6.1 Process flow ... 13 
6.2 Process specifications ... 13 
6.3 Process requirements ... 13 
7 Quality control and inspection ... 20 
7.1 Quality control ... 20 
7.2 Quality requirements and inspection ... 20 
8 Safety, hygiene and environmental protection requirements ... 22 
Appendix A (Normative) Waste gas collection and treatment device principle
... 23 
A.1 Outdoor part of ventilation system ... 23 
A.2 Absorption tower internal structure ... 24 
Appendix B (Normative) Cyanate chemical analysis method ... 25 
B.1 Reagents ... 25 
B.2 Analytical determination ... 25 
B.3 Preparation of 0.1 mol/L NaOH standard solution ... 26 
Appendix C (Informative) Common typical workpiece salt bath nitrocarburizing
temperature and nitrocarburizing time ... 28 
Appendix D (Informative) Recommended ventilation for different mass of salt
baths ... 29 
Appendix E (Informative) QPQ heat treatment production process record card
... 30 
Technical requirements of nitride carbonize
and oxidize multi-treatment (QPQ)
1 Scope
This standard specifies the terms and definitions, equipment requirements,
process material requirements, process requirements, quality control and
inspection, safety, hygiene and environmental protection requirements of the
nitride carbonize and oxidize multi-treatment (QPQ) technology.
This standard applies to the nitride carbonize and oxidize multi-treatment (QPQ)
of black metal, cast iron and stainless steel.
2 Normative references
The following documents are essential to the application of this document. For
the dated documents, only the versions with the dates indicated are applicable
to this document; for the undated documents, only the latest version (including
all the amendments) are applicable to this standard.
GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1. Test method
(scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 443 L-AN full loss system oil
GB/T 4340.1 Metallic materials - Vickers hardness test - Part 1. Test method
GB 5959.1 Safety in electroheat installations - Part 1. General requirements
GB 5959.4 Safety in electroheat installations - Part 4. Particular
requirements for safety resistance heating installations
GB/T 6067.1 Safety regulations for lifting appliances - Part 1. General
GB/T 7232 Terminology of metal heat treatment
GB/T 8121 The terminology of technological materials for heat treatment
GB/T 9452 Testing method for working zone of heat treatment furnace
GB/T 10067.1 Basic specifications for electroheat installations Part 1.
General
GB/T 10067.4 Basic technical conditions for electroheat equipment - Part 4.
Indirect resistance furnace
GB/T 11354-2005 Steel-iron parts - Determination of nitrided case depth and
metallographic examination of nitriding structure
GB 14554 Emission standards for odor pollutants
GB 15735 Requirements for the safety and health in production process of
metal heat treatment
GB/T 22560 Gas nitrocarburizing of iron and steel parts
GB/T 27945.1 The management of hazardous solid wastes from heat
treatment salt - Part 1. General management
GB/T 27945.2 The management of hazardous solid wastes from heat
treatment salts - Part 2. Test method of extractives
GB/T 27945.3 The management of hazardous solid wastes from heat
treatment salts - Part 3. Method of innocent treatment
GB/T 27946 Limited value of ......
Related standard:   JB/T 13024-2017  JB/T 13025-2017
   
 
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