GB/T 2967-2017Cast tungsten carbide powder (English PDF)
铸造碳化钨粉
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2017
Implementation date
May 1, 2018
Scope
GB/T 2967-2017 is the English-translated version of 铸造碳化钨粉.
GB/T 2967-2017 covers cast tungsten carbide powder, fixing its requirements, test methods and inspection rules together with marking, packaging, transport, storage, the quality certificate and the content of the contract or purchase order.
The powder is divided by particle shape into two grades, irregular cast tungsten carbide powder (YZF) and spherical cast tungsten carbide powder (YZQF), the first in ten models and the second in five sizes by particle size, and it gives the rules for building the product designation with an example.
It also covers the chemical composition, the Vickers hardness and the flowability of the powder. It applies to powder used to harden the wearing parts of oil rigs, building-material machinery, sugar cane cutting knives, grain machinery and paper machinery.
It replaces GB/T 2967-2008, was issued on 14 October 2017 and has applied since 1 May 2018.
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Document preview — GB/T 2967-2017
National Standard of the People's Republic of China
- ICS
- 77.160
- Classification
- H 71
- Replacing
- GB/T 2967-2008
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Requirements
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 2967-2008 "Casting tungsten carbide powder." This standard compared with GB/T 2967-2008, the main changes are as follows.
--- Increasing the normative references;
--- Modify the product classification and grades;
--- Increased spherical casting tungsten carbide powder and its performance requirements;
--- Modify the product size range representation;
--- Modify the chemical composition of the product;
--- Increasing the product Vickers hardness, liquidity requirements;
--- Remove the contents of tube products;
--- Removed the content of high-carbon casting tungsten carbide powder.
1 Scope
This standard specifies the requirements of casting tungsten carbide powder, test methods, inspection rules and signs, packaging, transportation, storage, quality certificate and co The same (or purchase order) content.
This standard applies to oil rigs, building materials machinery, sugar cane broken knives, grain machinery, paper machinery and other wear parts surface Strong casting of tungsten carbide powder.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1479.1 Determination of bulk density of metal powders - Part 1: Funnel method
GB/T 1480 metal powder dry screening method for the determination of particle size
GB/T 1482 Determination of metal powder flow standard funnel method (Hall flow meter)
GB/T 3488.1 Carbide microstructure metallographic determination - Part 1: Metallographic photographs and descriptions
GB/T 4324.7 Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content Inductively coupled plasma atomic emission spectrometry
GB/T 4324.8 Methods for chemical analysis of tungsten - Part 8: Determination of nickel content Inductively coupled plasma atomic emission spectrometry, fire Flame atomic absorption spectrometry and dimethylglyoxime gravimetric method
GB/T 4324.20 Methods for chemical analysis of tungsten - Part 20: Determination of vanadium content Inductively coupled plasma atomic emission spectrometry
GB/T 4324.21 Methods for chemical analysis of tungsten Part 21: Determination of chromium content Inductively coupled plasma atomic emission spectrometry
GB/T 4324.25 Methods for chemical analysis of tungsten - Part 25: Determination of oxygen content Pulsed heating Inert gas fusion - infrared absorption method
GB/T 4324.28 Methods for chemical analysis of tungsten Part 28: Determination of molybdenum content Thiocyanate spectrophotometric method
GB/T 4340.1 Vickers hardness test of metallic materials - Part 1: Test methods
GB/T 5124.1 Methods for chemical analysis of cemented carbides Determination of total carbon content Gravimetric method
GB/T 5124.2 Carbide chemical analysis - Insoluble (free) carbon content - Gravimetric method
GB/T 5314 powder metallurgy powder sampling method
GB/T 26050 cemented carbide X - ray fluorescence determination of metal elements content melting method
3 Requirements
3.1 Product classification
3.1.1 Products by particle morphology is divided into two grades. Irregular casting tungsten carbide powder (YZF) and spherical casting tungsten carbide powder (YZQF).
3.1.2 irregular casting tungsten carbide powder according to different particle size is divided into 10 models, spherical casting tungsten carbide powder according to different particle size is divided into 5 specifications.
3.1.3 Product Model Rules See the example. Example: YZ (Q) YZ irregular casting tungsten carbide, YZQ spherical casting tungsten carbide. F represents powder; 30 ~ 40 Said the size range -30 mesh ~ 40 mesh;
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1479.1Metallic powders -- Determination of apparent density -- Part 1: Funnel method
- GB/T 1480Metallic powders - Determination of particle size by dry sieving
- GB/T 1482Metallic powders - Determination of flow rate - Calibrated funnel methods(Hall flowmeter)
- GB/T 3488.1Hardmetals - Metallographic determination of microstructure - Part 1: Photomicrographs and description
- GB/T 4324.7Methods for chemical analysis of tungsten - Part 7: Determination of cobalt content - Inductively coupled plasma atomic emission spectrometry
- GB/T 4324.8Methods for chemical analysis of tungsten - Determination of nickel content - The inductively coupled plasma atomic emission spectrometry , flame atomic absorption spectrometry and dimethylglyoxime gravimetry
Similar standards
Editions of GB/T 2967
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2967-2017 | Cast tungsten carbide powder | current edition | Current |
| GB/T 2967-2008 | Cast tungsten carbide powder | previous edition | Superseded |
This page sells the current edition, GB/T 2967-2017. Earlier editions are listed for reference only.
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Related Standards
GB/T 1479.1-2011 — Metallic powders -- Determination of apparent density -- Part 1: Funnel method
GB/T 1480-2025 — Metallic powders - Determination of particle size by dry sieving
GB/T 14800-2010 — Geosynthetics -- Static puncture test (CBR test)
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