GB/T 29822-2013Tungsten-rhenium thermocouple wires and temperature-electromotive force(EMF) tables (English PDF)
钨铼热电偶丝及分度表
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 12, 2013
Implementation date
March 15, 2014
Scope
GB/T 29822-2013 is the English-translated version of 钨铼热电偶丝及分度表.
GB/T 29822-2013 is the Chinese standard "Tungsten-rhenium thermocouple wires and temperature-electromotive force(EMF) tables".
Its scope clause reads: This standard specifies the tungsten-rhenium thermocouple wire (hereinafter referred to as dual wire) product classification, technical requirements, test methods, inspection rules, suppliers Formula, packaging and identification.
This standard applies to the manufacture of tungsten-rhenium 3- 25 tungsten-rhenium thermocouple wire, tungsten-rhenium 5- 26 tungsten-rhenium thermocouple wire, tungsten-rhenium 5- 20 tungsten-rhenium thermocouples Wire (hereinafter referred to as D-type thermocouple wire, C-type and A-type thermocouple wire thermocouple wire).
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Document preview — GB/T 29822-2013
National Standard of the People's Republic of China
- ICS
- 17.200
- Classification
- N 05
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 products of different specifications and the basic parameters
- 3.1 dual wire name, code and nominal chemical composition
- 3.2 No indexing and labeling
1 Scope
This standard specifies the tungsten-rhenium thermocouple wire (hereinafter referred to as dual wire) product classification, technical requirements, test methods, inspection rules, suppliers
Formula, packaging and identification.
This standard applies to the manufacture of tungsten-rhenium 3- 25 tungsten-rhenium thermocouple wire, tungsten-rhenium 5- 26 tungsten-rhenium thermocouple wire, tungsten-rhenium 5- 20 tungsten-rhenium thermocouples
Wire (hereinafter referred to as D-type thermocouple wire, C-type and A-type thermocouple wire thermocouple wire).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
JB/T 6820 Test Method for thermocouple material refractory metal thermocouple wire Thermal EMF Test Method
3 products of different specifications and the basic parameters
3.1 dual wire name, code and nominal chemical composition
Even the name of silk, the code and the name of the chemical composition shown in Table 1.
Name Table 1 thermocouple wire, the code and the name of the chemical composition
Thermocouple wire polarity code name
Nominal chemical composition (mass fraction) /%
W Re
Tungsten-rhenium alloy wire 3 positive WRe3 97 3
25 tungsten-rhenium alloy wire anode WRe25 75 25
5 tungsten-rhenium alloy wire cathode WRe5 95 5
26 tungsten-rhenium alloy wire anode WRe26 74 26
20 tungsten-rhenium alloy wire anode WRe20 80 20
3.2 No indexing and labeling
3.2.1
sub-degree No.
3 by a tungsten-rhenium alloy wire and tungsten-rhenium alloy wire pair 25, tungsten-rhenium alloy wire 5 with 26 tungsten-rhenium alloy wire pair, tungsten-rhenium alloy wire and tungsten rhenium 5
Thermocouple sub-degree No. 20 alloy wire pairing configuration as shown in Table 2.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 26 pages — is available in the English PDF.
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