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GB/T 20254.1-2015 English PDF

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Q: Should I purchase the latest version GB/T 20254.1-2015?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20254.1-2015 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 20254.1-2015: Copper and copper alloy strips for lead frame -- Part 1: Plane strip
Status: Valid

GB/T 20254.1: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20254.1-2015	209	Add to Cart	3 days	Copper and copper alloy strips for lead frame -- Part 1: Plane strip	Valid
GB/T 20254.1-2006	359	Add to Cart	3 days	Copper and copper alloy strips for lead frame -- Part 1: Flat strips	Obsolete

Similar standards

GB/T 20424 GB/T 20928 GB/T 21652 GB/T 32468 GB/T 20254.2

Basic data

Standard ID: GB/T 20254.1-2015 (GB/T20254.1-2015)
Description (Translated English): Copper and copper alloy strips for lead frame -- Part 1: Plane strip
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.30
Word Count Estimation: 10,176
Date of Issue: 2015-09-11
Date of Implementation: 2016-04-01
Older Standard (superseded by this standard): GB/T 20254.1-2006
Quoted Standard: GB/T 228.1-2010; GB/T 351; GB/T 4340.1; GB/T 5121.1; GB/T 5121.2; GB/T 5121.3; GB/T 5121.4; GB/T 5121.5; GB/T 5121.6; GB/T 5121.7; GB/T 5121.8; GB/T 5121.9; GB/T 5121.10; GB/T 5121.11; GB/T 5121.12; GB/T 5121.13; GB/T 5121.14; GB/T 5121.15; GB/T 5121.16; GB/T 5121.17; GB/T 5121.18; GB/T 5121.19; GB/T 5121.20; GB/T 5121.21; GB/T 5121.22; GB/T 5121.23; GB/T 5121.24; GB/T 5121.25; GB/T 5121.26; GB/T 5121.27; GB/T 5121.28; GB/T 5231; GB/T 8888; GB/T 10610; GB/T 26303.3; YS/T 478; YS/T 482; YS/T 668; YS/T 815
Regulation (derived from): National Standard Announcement 2015 No.25
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 requirements for lead frame material with copper and copper alloy flat, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and orders (or contract) content. This section applies to the production of integrated circuits and discrete devices electronics industry lead frame material with copper and copper alloy flat belt.

GB/T 20254.1-2015: Copper and copper alloy strips for lead frame -- Part 1: Plane 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.
Copper and copper alloy strips for lead frame Part 1.. Plane strip ICS 77.150.30 H62 National Standards of People's Republic of China Replacing GB/T 20254.1-2006 Lead frame with copper and copper alloy strip Part 1. flat belt Part 1. Planestrip Issued on. 2015-09-11 2016-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 20254 "lead frame with copper and copper alloy strip" is divided into two parts. --- Part 1. flat belt; --- Part 2. shaped belt. This section GB/T 20254 Part 1. This section drafted in accordance with GB/T 1.1-2009 given rules. This Part replaces GB/T 20254.1-2006 "lead frame with copper and copper alloy strip Part 1. flat belt." This portion GB/T 20254.1-2006 compared to the main changes are as follows. --- Adds alloy code representation; --- Increased BSi3.2-0.7 grades and related regulations; --- Tightened the edge burr provisions; --- Increased "horizontal curved strip" requirement; --- On the mechanical performance requirements have been modified; --- Tightened a predetermined surface roughness Ra, increasing the provision of Rz1max; --- Added "chemical analysis conducted in accordance with YS/T 482" requirement; --- Added "Dimensions detection strip according 26303.3 provisions GB/T were" requirement; --- Increased provisions "sample preparation conducted in accordance with YS/T 815," the; --- Added "sampling method prescribed YS/T 668 will be" requirement. This part is proposed by the China Nonferrous Metals Industry Association. The non-ferrous metal part by the National Standardization Technical Committee (SAC/TC243) centralized. This section is drafted. Chinalco Luoyang Copper Co., Ltd., Ningbo Xingye Shengtai Group Co., Ltd., Heze Guangyuan Copper Strip Company Limited Secretary, Anhui Xinke New Materials Co., Ltd., Tongling Jinwei Copper Co., Ltd., Shanxi Chunlei Copper limited liability company. The main drafters of this section. Zhu Yingli, Guo Hui steady, Fanxian Yong, Yao Tingxin, Magee seedlings, in Liansheng, Ge calf, Meng Wei, Chen fragrance, And Feng Yuan, Mao Yiu Tung, Liu Qinglan, Maofu Jun. This part of the standard replaces the previous editions are. --- GB/T 20254.1-2006. Lead frame with copper and copper alloy strip Part 1. flat belt

1 Scope

This section GB/T 20254 specifies the requirements of the lead frame material with copper and copper alloy flat belts, test methods, inspection rules, marking, Packaging, transportation, storage, quality certificate and purchase order (or contract) content. This section applies to the production of the electronics industry integrated circuits and discrete devices lead frame material with copper and copper alloy flat band (hereinafter referred to as band material).

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. RT Test Method. Test Part 1 GB/T 228.1-2010 metal material tensile GB/T 351 metal material resistivity measurement method GB/T 4340.1 metallic materials - Vickers hardness test - Part 1. Test methods GB/T 5121 (all parts) of copper and copper alloys - GB/T 5231 and processing of copper and copper alloy grades and chemical composition GB/T 8888 heavy non-ferrous metal processing products, packaging, labeling, transportation, storage and quality certificate GB/T 10610 Geometrical product specifications (GPS) Surface texture Profile method - Rules and procedures for evaluation of the surface structure GB/T 26303.3 copper and copper alloy processing material Dimensions detection methods - Part 3. plate and strip YS/T 478 copper and copper alloy conductivity eddy current testing method YS/T 482 copper and copper alloy analysis photoemission spectroscopy YS/T 668 copper and copper alloy physical and chemical detection sampling method YS/T 815 methods for preparing copper and copper alloy mechanical and technological properties of the sample

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Resistance to softening softening-resistance Metal or alloy resistant to high temperature softening. Usually after a certain time with the material is heated at a certain temperature, with room Wen Weishi hardness into Line measure.

4 Requirements

4.1 Categories 4.1.1 grade, status, specifications Strip grades, status, and shall conform to the specifications in Table 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 20254.1-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 20254.1-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 20254.1-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 20254.1-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 20254.1-2015?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20254.1-2015 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.