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GB/T 269-2023: Determination of cone penetration of lubricating greases and petrolatum
Status: Valid
GB/T 269: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB/T 269-2023 | 499 |
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Determination of cone penetration of lubricating greases and petrolatum
| Valid |
| GB/T 269-1991 | 599 |
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Lubricating grease and petrolatum. Determination of cone penetration
| Obsolete |
Basic data
Standard ID: GB/T 269-2023 (GB/T269-2023)
Description (Translated English): Determination of cone penetration of lubricating greases and petrolatum
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E36
Classification of International Standard: 75.100
Word Count Estimation: 24,248
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Older Standard (superseded by this standard): GB/T 269-1991
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
GB/T 269-2023: Determination of cone penetration of lubricating greases and petrolatum
---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.
ICS 75:100
CCSE36
National Standards of People's Republic of China
Replace GB/T 269-1991
Test method for penetration of lubricating grease and petroleum grease
(ISO 2137:2020, MOD)
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 269-1991 "Measurement of Penetration of Lubricating Grease and Petroleum Grease": Compared with GB/T 269-1991, except for the structure
In addition to adjustments and editorial changes, the main technical changes are as follows:
a) Changed the maximum measurable cone penetration value from "620 units" to "500 units" (see Chapter 5,:1991 edition
Chapter 1);
b) Added the terms "cone penetration" and "cone penetration" (see 3:1, 3:2);
c) The chapter "Classifications, Processes and Limitations" has been added (see Chapter 5);
d) The size tolerance of the cone has been changed (see Figure 2, Figure 3, Figure 4, Figure 5, Figure 2, Figure 3, Figure 4, Figure 5 of the:1991 edition);
e) Changed the size of the 1/2 scale cone grease worker A from "φ38:5mm" to "φ36:5mm" (see Figure 7,:1991
version of Figure 7);
f) Changed the size of the grease cutter blade from "68mm×185mm" to "65mm×185mm" (see Figure 9,
Figure 9 of the:1991 edition);
g) Added the chapter "Sampling" (see Chapter 7);
h) Added 1/2 and 1/4 scale cone method "general rules" (see 9:1);
i) The precision of full-scale cone penetration has been changed (see Table 1, Table 1 of the:1991 edition);
j) The chapter "Test Report" has been added (see Chapter 14):
This document is modified to adopt ISO 2137:2020 "Measurement of Penetration of Lubricating Grease and Petroleum Grease":
The technical differences between this document and ISO 2137:2020 and their reasons are as follows:
---Replace ISO 23572 (see Chapter 7) with the normatively quoted SH/T 0229 to adapt to my country's technical conditions and increase operability
Workability (see Chapter 2):
This document has the following editorial changes compared with ISO 2137:2020:
--- Added an informative reference to GB/T 7631:8-1990 in Chapter 5, and added "References":
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 Petroleum Products and Lubricants Standardization Technical Committee (SAC/TC280):
This document is drafted by: Sinopec Petrochemical Research Institute:
The main drafter of this document: Jiang Liang:
The release status of previous versions of this document and the documents it replaces are as follows:
---GB 269-1985, GB 5017-1985;
--- Merge GB 269-1985 and GB 5017-1985 into GB/T 269-1991;
--- This is the third revision:
Test method for penetration of lubricating grease and petroleum grease
Caution---The use of this document may involve some hazardous materials, equipment and operations, and this document does not point out all possible safety hazards:
full question: It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations:
1 Scope
This document describes a method for determining the consistency of lubricating greases and petroleum greases by the penetration method:
This document applies to grease and petroleum grease (Vaseline):
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:
SH/T 0229 Sampling method for solid and semi-solid petroleum products
3 Terms and Definitions
The following terms and definitions apply to this document:
3:1
Penetration
The depth to which a standard object, cone or needle penetrates the test part under specified conditions of time, temperature and load:
3:2
cone penetration conepenetration
The depth to which the cone penetrates the specimen under specified conditions of load, time and temperature:
Note: 1 unit of cone penetration = 0:1mm:
3:3
working
Shearing motion of a grease worker:
3:4
unworked penetration unworkedpenetration
With as little agitation as possible, the sample is transferred from the sample container to the worker cup to determine the cone penetration (3:2):
3:5
Worked penetration workedpenetration
The cone penetration (3:2) measured after the sample is reciprocated in the grease worker for a specified number of times:
3:6
The cone penetration (3:2) measured after the sample has been reciprocated more than the specified number of times in the grease worker:
......
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