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SN/T 2714-2010: Method for testing surface luminous reflectance of cold rolled stainless ateel sheet and strip
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 2714-2010 | English | 239 |
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Method for testing surface luminous reflectance of cold rolled stainless ateel sheet and strip
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SN/T 2714-2010
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Basic data | Standard ID | SN/T 2714-2010 (SN/T2714-2010) | | Description (Translated English) | Method for testing surface luminous reflectance of cold rolled stainless ateel sheet and strip | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | H46 | | Classification of International Standard | 77.140.50 | | Word Count Estimation | 9,965 | | Date of Issue | 2010-11-01 | | Date of Implementation | 2011-05-01 | | Quoted Standard | GB/T 20146; JJG 4-1999; JJG 211-2005; JJG 245-2005; JJG 425-2003 | | Regulation (derived from) | National Quality Inspection (2010) 582 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the different incident angles rolled stainless steel plate (with) surface light reflectance method. This standard applies to cold-rolled stainless steel plate (with) the surface quality evaluation. | SN/T 2714-2010: Method for testing surface luminous reflectance of cold rolled stainless ateel sheet and strip
---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.
Method for testing surface luminous reflectance of cold rolled stainless ateel sheet and strip
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Cold-rolled stainless steel plate (with)
Surface of the light reflectance test method
Issued on. 2010-11-01
2011-05-01 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Accordance with the standards GB/T 1.1-2009. Drafting Rules "Standardization Guide Part 1 standard structure and preparation of" given.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Shandong Entry Inspection and Quarantine Bureau, Qingdao Technological University, China Ocean University.
The main drafters of this standard. Shisong Jie, Qian city, Jiao Yutian, Li Xue, Maocheng Tao, Hou high side, and Emori, full loyalty mine.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Cold-rolled stainless steel plate (with)
Surface of the light reflectance test method
1 Scope
This standard specifies the method for determination of the surface light reflectance (band) at different angles of incidence of cold-rolled stainless steel plate.
This standard applies to cold-rolled stainless steel plate (with) the surface quality evaluation.
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 20146 with the CIE standard colorimetric illuminant
JJG4-1999 steel tape measurement verification procedures
JJG211-2005 luminance meter verification procedures
JJG245-2005 light meter verification procedures
JJG425-2003 Level verification procedures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Flux luminousflux
According to the standard photometric observer radiation effects derived light measure. For clear vision, there are.
Φ = Km∫
dΦe (λ)
dλ
· V (λ) · dλ (1)
Where.
Ф --- flux;
Φe (λ) --- spectral radiant flux;
λ --- wavelength;
V (λ) --- spectral luminous efficiency;
Km --- maximum spectral luminous efficacy. When monochromatic radiation, Km under photopic conditions is 683lm/W (λm =
555nm time).
3.2
Light reflectance luminousreflectance
Incident radiation in the spectral composition, polarization state and under conditions of a given geometric distribution, the reflected light flux and incident flux ratio.
3.3
Solid angle solidangle
Solid angle is a cone surrounded by the space segment, which is the apex of the cone center of the sphere, sphere of radius 1 is intercepted by the tapered surface
Plot measured, namely.
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