GB/T 24481-2009 English PDF

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GB/T 24481-2009: Magnesium alloys sheets for 3C products
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24481-2009	189	Add to Cart	3 days	Magnesium alloys sheets for 3C products	Valid

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Basic data

Standard ID: GB/T 24481-2009 (GB/T24481-2009)
Description (Translated English): Magnesium alloys sheets for 3C products
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H61
Classification of International Standard: 77.150.99
Word Count Estimation: 8,873
Date of Issue: 2009-10-30
Date of Implementation: 2010-06-01
Quoted Standard: GB/T 228; GB/T 5153; GB/T 13748; GB/T 16865; GB/T 17432
Regulation (derived from): National Standard Approval Announcement 2009 No.12 (Total No.152)
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
Summary: This standard specifies the thickness of between 0. 40 mm-2 00 mm of 3C products (ie computer classes, communications, consumer electronics) alloy sheet with the requirements, test methods, inspection rules and signs, packaging, transport, storage and contract content. This standard applies to 3C products with magnesium alloy sheet.

GB/T 24481-2009: Magnesium alloys sheets for 3C products

---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.
Magnesium alloys sheets for 3C products ICS 77.150.99 H61 National Standards of People's Republic of China 3C products magnesium alloy sheet Posted 2009-10-30 2010-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard reference adopted ASTMB90/B90M.1998 (2005) "a magnesium alloy sheet and planks" and JISH4201-2005 "magnesium alloy Gold sheet and plate "establishment. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard is drafted by. Chongqing Obo Aluminum Manufacturing Co., Ltd., Chinalco Luoyang Copper Co., Ltd. Participated in the drafting of this standard. Shanxi Wenxi silver Magnesium (Group) Co., Ltd., Beijing Nonferrous Metal Research Institute, National magnesium alloy Gold materials engineering and technology research center. The main drafters of this standard. king went in Luozheng Qin, Wei Xiaochuan, Liu Yang, Sun front, Zhang Yue, Li Xiangyu, Wenyu. 3C products magnesium alloy sheet

1 Scope

This standard specifies the thickness of 0.40mm ~ 2.00mm between 3C products (ie, computer, communications, consumer electronics) Magnesium alloy sheet requirements, test methods, inspection rules and signs, packaging, transportation, storage and contents of a contract. This standard applies to 3C products with magnesium alloy sheet.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 228 metal materials at room temperature tensile test method GB/T 5153 wrought magnesium and magnesium alloy grades and chemical composition GB/T 13748 (all parts) magnesium and magnesium alloy chemical analysis method GB/T 16865 wrought aluminum, magnesium and their alloys processed products tensile test specimens GB/T 17432 Wrought aluminum and aluminum alloy chemical analysis sampling method

3 Requirements

3.1 Categories 3.1.1 plate grades, status, and shall conform to the specifications in Table 1. When the need for other grades, status, size, determined by the supply and demand sides negotiated Fixed, and specified in the contract. Table 1 Grade Availability Specifications/mm Thickness Width Length AZ31B AZ40M ME20M O, H22, H14 0.40 ~ 0.8 100 ~ 600 300 ~ 1200 AZ41M O, H24, H16 M2M O, H24, H18 > 0.8 ~ 2.0 100 ~ 700 300 ~ 1500 3.1.2 tag example Products marked by order of the product name, grade, status, specifications and standards of numbered steps. Tag example as follows. With AZ31B alloy, supply state is O, a thickness of 0.6mm, a width of 300mm, a length of 1000mm length of the sheet, marked as. Example. magnesium plate AZ31B-O 0.6 × 300 × 1000 GB/T 24481-2009. 3.2 Chemical composition 3C products magnesium alloy sheet grades and chemical composition shall comply with GB/T 5153's. 3.3 Size Tolerances 3.3.1 plate thickness, size, width and length tolerances shall comply with the provisions of Table 2. Thickness tolerance deviation of only one-way, Its value is twice the value in this table. ......

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