GB/T 34477-2017 English PDF

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GB/T 34477-2017: Metallic materials -- Sheet and strip -- Dent resistance test method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34477-2017	319	Add to Cart	4 days	Metallic materials -- Sheet and strip -- Dent resistance test method	Valid

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Basic data

Standard ID: GB/T 34477-2017 (GB/T34477-2017)
Description (Translated English): Metallic materials -- Sheet and strip -- Dent resistance test method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H23
Classification of International Standard: 77.040.10
Word Count Estimation: 16,140
Date of Issue: 2017-10-14
Date of Implementation: 2018-07-01
Regulation (derived from): National Standard Announcement 2017 No. 26
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34477-2017: Metallic materials -- Sheet and strip -- Dent resistance test method

---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 materials-Sheet and strip-Dent resistance test method ICS 77.040.10 H23 National Standards of People's Republic of China Metal sheets and ribbons Anti-concave performance test methods 2017-10-14 Published 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by China Iron and Steel Association. This standard by the National Standardization Technical Committee Steel (SAC/TC183) centralized. This standard was drafted by Baoshan Iron and Steel Co., Ltd., Shanghai Shenli Testing Machine Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Fang Jian, Zhang Jianwei, Yang Haoyuan, Dong Li. Metal sheets and ribbons Anti-concave performance test methods

1 Scope

This standard specifies the metal materials and thin strip (hereinafter referred to as the metal plate) in the quasi-static test conditions anti-concave performance terms and set Meaning, test principle, sample preparation, test equipment, test procedures, results evaluation and test report. This standard applies to the stamping of the metal sheet with anti-concave performance test.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 16825.1 static uniaxial testing machine test Part 1. Tensile and (or) pressure testing machine testing system and force measurement calibration

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Deflection deflection When a specific force is applied to the surface of a specimen, the amount of material deformation is characterized by the total displacement of the indenter. 3.2 Dent dent Depression of the specimen in the stressed area. Note. Defects left behind when the product is not designed or machined. 3.3 Dent depth dentdepth Anti-concave test process, the initial load to the specified initial force, and after the first cycle load is loaded again to the specified initial force, corresponding to twice Displacement value of the difference. 3.4 Visual dent depth firstvisibledentdepth Dv The depth of the indentation that can be observed initially. Note This value is affected by various factors such as paint color, curvature of the surface of the specimen, and the area affected by the dimples. This value is usually in the range of 0.02 mm to 0.1 mm. 3.5 Dent initial force dentinitiationload Critical indentation force FD The force applied to define the depth of the indentation is formed. ......

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