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YS/T 56-2012: Metallic powders. Determination of the angle of repose
Status: Valid YS/T 56: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 56-2012 | English | 209 |
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Metallic powders. Determination of the angle of repose
| Valid |
YS/T 56-2012
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| YS/T 56-1993 | English | 239 |
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(Metal powders - Determination of the natural slope angle)
| Obsolete |
YS/T 56-1993
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PDF similar to YS/T 56-2012
Basic data | Standard ID | YS/T 56-2012 (YS/T56-2012) | | Description (Translated English) | Metallic powders. Determination of the angle of repose | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H16 | | Classification of International Standard | 77.160 | | Word Count Estimation | 8,887 | | Older Standard (superseded by this standard) | YS/T 56-1993 | | Quoted Standard | GB/T 3500-2008/ISO 3252-1999 | | Regulation (derived from) | Ministry of Industry and Information Technology Bulletin 2012 No. 70; industry standard filing Notice 2013 No. 3 (total 159) | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the metal powder natural slope angle method. This standard applies to freely flow through or by means of vibrating funnel flow through aperture 7. 5 mm metal powder. This standard does not apply to readily absorb moisture or seriou | YS/T 56-2012: Metallic powders. Determination of the angle of repose---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.
Metallic powders.Determination of the angle of repose
ICS 77.160
H16
People's Republic of China Nonferrous Metals Industry Standard
Replacing YS/T 56-1993
Determination of metal powder --- natural slope angle
Issued on. 2012-12-28
2013-06-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
Instead of the standard YS/T 56-1993 "Determination of metal powder --- the natural slope angle." Compared with this standard YS/T 56-1993,
The main changes are as follows.
--- Increased in Chapter 2;
--- In Chapter 3, again shows the standard definition of the natural slope angle;
--- Chapter 4, the measurement principles of natural slope angle was reformulated;
--- Chapter 5, delete the "lower end of the funnel opening and closing of the gate fast," added the clause 5.3 positioning block, an increase of 2, 3, corresponding
The structure of Figure 1, some changes;
--- 7.3,7.4,7.5,7.6 the terms were revised;
--- Chapter 8, increasing the arithmetic mean of the natural slope angle of the formula;
--- Chapter 9, adding "If during the test using a vibrator, please indicate" requirements;
Start heating "when the heating power starts to be a vacuum of up to 90%" to "be a vacuum of 10kPa --- Appendix A.3, the
power supply".
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard is drafted by. Iron and Steel Research Institute, Shenzhen High-tech Co., Ltd. Grammy, Northwest Nonferrous Metal Research Institute.
The main drafters of this standard. Li Hongyun, Zhu Li Ran, pear Yan, Cheng Wenwu, Aijian Ling, Dong Feng collar
Determination of metal powder --- natural slope angle
1 Scope
This standard specifies the method for determination of the natural slope angle of the metal powder.
This standard applies to be able to flow freely through or by means of a vibrating flow through the aperture 7.5mm metal powder funnel.
This standard does not readily absorb moisture or severely agglomerated powder.
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.
GB/T 3500-2008/ISO 3252.1999 Powder Metallurgy term
3 Terms and Definitions
Terms and definitions GB/T 3500 defined apply to this document. For ease of use, repeat the following listed in GB/T 3500 surgery
Terms and definitions.
Natural slope angle angleofrepose
When the angle of repose of powder formed pyramid slope between the horizontal plane.
[GB/T 3500-2008/ISO 3252.1999, the definition of 1501]
Principle 4
Metal powder through a funnel from a certain height level round table piled until a metal powder overflows from truncated cone periphery to form a stable
Pyramid, using a protractor to measure out powder cone angle of slope and the bottom, is the natural slope angle.
5 device
5.1 natural slope angle measuring device
Natural slope angle measuring device shown in Figure 1.
5.2 Funnel
Made of brass, the upper end of the funnel inner diameter 50.8mm, the lower end of the inner diameter of 7.5mm, the cone angle of 60 °. See Figure 2.
5.3 positioning block
Made of stainless steel, height 50mm.
5.4 round table
Made of stainless steel, round table diameter of 50.8mm.
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