GB/T 32540-2016Technical requirements for accuracy-controlled gas nitriding heat treatment (English PDF)
精密气体渗氮热处理技术要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
February 24, 2016
Implementation date
September 1, 2016
Scope
GB/T 32540-2016 is the English-translated version of 精密气体渗氮热处理技术要求.
GB/T 32540-2016 is the Chinese standard "Technical requirements for accuracy-controlled gas nitriding heat treatment".
Its scope clause reads: This standard specifies the equipment requirements for precision gas nitriding, equipment reliability requirements, process requirements, quality control and inspection, safety and hygiene and Environmental requirements, and energy requirements.
This standard applies to steel gas precision gas nitriding. Its clauses include normative reference documents; terms and definitions.
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Document preview — GB/T 32540-2016
National Standard of the People's Republic of China
- ICS
- 25.200
- Classification
- J 36
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 normative reference documents
- 3 terms and definitions
- 3.1 Precision gas nitriding accuracy-controled
1 Scope
This standard specifies the equipment requirements for precision gas nitriding, equipment reliability requirements, process requirements, quality control and inspection, safety and hygiene and
Environmental requirements, and energy requirements.
This standard applies to steel gas precision gas nitriding.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 230.1 Metallic materials - Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T) ruler)
GB 536 liquid anhydrous ammonia
Metallic materials - Vickers hardness test - Part 1. Test methods GB/T Safety of electroheat installations - Part 1. General requirements
Safety of electroheat installations - Part 4. Particular requirements for resistance heating installations
GB/T 7232 Terminology for heat treatment of metals
GB/T 8979 pure nitrogen, high purity nitrogen and ultra pure nitrogen
GB/T 9452 heat treatment furnace effective heating zone determination method
Test methods for electric heating equipment - Part 4. Indirect resistance furnaces GB/T Basic technical conditions for electric heating installations - Part 4. Indirect resistance furnaces GB/T GB/T 11354 Determination of depth of nitrided layer and inspection of microstructure of steel parts
Energy Saving Monitoring of GB/T 15318 Heat Treatment Electric Furnace
GB 15735 metal heat treatment production process safety and hygiene requirements
Calculation and determination of power consumption for heat treatment production GB/T 17358
Gas nitriding of GB/T 18177 steel parts
GB /Z18718 heat treatment and energy saving technical guidelines
GB/T 19944 Heat treatment production fuel consumption quota and its calculation and determination method
GB/T 27946 Heat treatment of workplace airborne hazardous substances limits
GB/T 30825 heat treatment temperature measurement
3 terms and definitions
GB/T 7232 Definitions and the following terms and definitions apply to this document.
3.1 Precision gas nitriding accuracy-controled
Nitrogen potential control system composed of nitrogen potential sensor, nitrogen potential controller and mass flow meter, nitriding of ammonia and ammonia decomposition gas
The implementation of precise control of nitrogen potential of the controllable gas nitriding.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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