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GB/T 5989-2023: Refractory products - Determination of refractoriness under load(differential method with rising temperature)
Status: Valid GB/T 5989: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 5989-2023 | English | 269 |
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Refractory products - Determination of refractoriness under load(differential method with rising temperature)
| Valid |
GB/T 5989-2023
|
| GB/T 5989-2008 | English | 439 |
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Refractory products -- Determination of refractoriness-under-load -- Differential method with rising temperature
| Obsolete |
GB/T 5989-2008
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| GB/T 5989-1998 | English | 439 |
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Refractory products--Determination of Refractoriness-under-load--Differential-with rising temperature
| Obsolete |
GB/T 5989-1998
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| GB/T 5989-1986 | English | RFQ |
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Dense shaped refractory products--Test method of refractoriness-under-load (differential-with rising temperature)
| Obsolete |
GB/T 5989-1986
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PDF similar to GB/T 5989-2023
Standard similar to GB/T 5989-2023 GB/T 5072 GB/T 5988 GB/T 6901.3 GB/T 5990 Basic data | Standard ID | GB/T 5989-2023 (GB/T5989-2023) | | Description (Translated English) | Refractory products - Determination of refractoriness under load(differential method with rising temperature) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q40 | | Classification of International Standard | 81.080 | | Word Count Estimation | 14,134 | | Date of Issue | 2023-05-23 | | Date of Implementation | 2023-12-01 | | Older Standard (superseded by this standard) | GB/T 5989-2008 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 5989-2023: Refractory products - Determination of refractoriness under load(differential method with rising temperature)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS81:080
CCSQ40
National Standards of People's Republic of China
Replacing GB/T 5989-2008
Test method for softening temperature under load of refractories
(differential heating method)
Released on 2023-05-23
2023-12-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Management Committee
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document replaces GB/T 5989-2008 "Test method for softening temperature of refractory materials under load with differential temperature rise method", and is in line with
Compared with GB/T 5989-2008, except for structural adjustment and editorial changes, the main technical changes are as follows:
a) The scope has been changed (see Chapter 1, Chapter 1 of the:2008 edition);
b) Delete the description of the measurement device on the upper part of the experimental furnace and Figure 3 (see 5:1:1, 5:2, 5:3:3 of the:2008 edition);
c) Changed the regulations on thermocouples (see 5:4:2, 5:4:2 of the:2008 edition);
d) Changed the division value of the vernier caliper (see 5:5, 5:5 of the:2008 edition);
e) Increased the sampling and preparation of samples (see 6:1, 6:2);
f) Changed the description of the result representation (see 8:2, 8:4, 8:5, 8:2, 8:4, 8:5 of the:2008 edition);
g) The "direction" in "sampling position and direction of the sample on the original brick" is deleted [see Chapter 9 c) of the:2008 edition]:
This document is modified to adopt ISO 1893:2007 "Test method for softening temperature of refractory products under load by differential temperature rise method":
Compared with ISO 1893:2007, this document has more structural adjustments: For a list of structural number changes between the two documents, see
Appendix A:
Compared with ISO 1893:2007, there are more technical differences in this document, and vertical single
The lines (|) are marked, and a list of these technical differences and their reasons is shown in Appendix B:
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Refractories Standardization Technical Committee (SAC/TC193):
This document is drafted by: Sinosteel Luoyang Refractories Research Institute Co:, Ltd:, MCC Wuhan Metallurgical Construction Research Institute Co:, Ltd:, Shandong
Xiyu County Xixiaoping Refractories Co:, Ltd:, Zhejiang Hongfeng Furnace Material Co:, Ltd:, Zhejiang Jinhuihua Special Refractories Co:, Ltd:, Zhejiang Ke
UHT New Materials Co:, Ltd:
The main drafters of this document: Zhang Yi, Yang Jinsong, Cheng Shuiming, Qin Yinjun, Zhou Yong, Shen Junhua, Zhu Xuefeng, Ding Junjie, Xia Changyong, Guo Tengfei,
Ao Ping, Deng Luopeng, Wang Yubing, Wang Xiaoli, Lin Jian, Liu Yong, Liu Ke:
This document was first published in 1985; first revised in:1998; second revised in:2008; this is the third revision:
Refractory material softening temperature under load
Test method (differential heating method)
1 Scope
This document describes the principle of the test method for measuring the softening temperature under load of dense shaped refractory products and shaped heat insulation products
Equipment, samples, test procedures, result calculation and test report:
This document is applicable to the determination of the softening temperature under load by the differential heating method for dense shaped refractory products and shaped heat insulation products:
The maximum temperature of this test can be carried out to 1700°C:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
this document:
GB/T 1214:2 Vernier Caliper Vernier Caliper
GB/T 7321 Sample preparation method for shaped refractory products
GB/T 10325 Acceptance Sampling Inspection Rules for Shaped Refractory Products (GB/T 10325-2012, ISO 5022:1979, NEQ)
GB/T 16839:1 Thermocouple Part 1: Electromotive force specification and tolerance (GB/T 16839:1-2018, IEC 60584-1:
2013, IDT)
GB/T 18930 Terminology for refractory materials (GB/T 18930-2020, ISO 836:2001, MOD)
3 Terms and Definitions
The terms and definitions defined in GB/T 18930 apply to this document:
4 principles
The sample is heated under a specified constant load and heating rate, and the deformation of the sample during the heating process is measured until it produces a specified compression shape:
Change, record the temperature when the specified deformation is produced:
5 devices
5:1 Loading device
5:1:1 General
The loading device should be able to apply pressure vertically along the common axis of the pressure rod, sample and support rod during the whole test process:
See 5:1:2~5:1:4 for specific composition:
A constant load is applied vertically downward to the specimen placed on a fixed support rod, and the deformation of the specimen is measured by the measurement through the center of the support rod:
device to measure:
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