YS/T 571-2009 English PDF

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YS/T 571-2009: Copper-beryllium alloy round wire
Status: Valid

YS/T 571: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 571-2009	239	Add to Cart	3 days	Copper-beryllium alloy round wire	Valid
YS/T 571-2006	199	Add to Cart	2 days	Bronze wire	Obsolete

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Basic data

Standard ID: YS/T 571-2009 (YS/T571-2009)
Description (Translated English): Copper-beryllium alloy round wire
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H62
Classification of International Standard: 77.150.30
Word Count Estimation: 9,946
Date of Issue: 2009-12-04
Date of Implementation: 2010-06-01
Older Standard (superseded by this standard): YS/T 571-2006
Quoted Standard: GB/T 228-2002; GB/T 238; GB/T 351; GB/T 5231; GB/T 8888; YS/T 470.1
Adopted Standard: ASTM B197/197M-2001, MOD
Regulation (derived from): MIIT [2009] No. 66
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the bronze wire requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or contract) and so on. This standard applies to the manufacture of precision springs, instrumentation components and other elastic element used bronze round wire.

YS/T 571-2009: Copper-beryllium alloy round wire

---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-beryllium alloy round wire ICS 77.150.30 H62 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 571-2006 Beryllium copper round wire Posted 2009-12-04 2010-06-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This revised standard adopts ASTMB197/197M-01 "beryllium copper alloy wire." This standard compared with ASTMB197/197M-01, except. --- This standard specifies only the shape of a circular wire, ASTMB197/cross-sectional shape 197M-01 standard is circular, rectangular Shape, square, hexagonal and octagonal wire; --- This standard is based on ASTMB197/197M-01 on the increase QBe2 and QBe1.9 grades; --- Diameter tolerances specified in this standard is stricter than ASTMB197/197M-01 standards; --- Mechanical properties of the standard requirements than ASTMB197/197M-01 standard is slightly lower. Instead of the standard YS/T 571-2006 "Beryllium line" (formerly GB/T 3134-1982). Compared with this standard YS/T 571-2006, the main changes are as follows. --- Expanding the scope of the standard; the new increase QBe1.9, C17200 and C17300 grade; raised some size to allow deviation Accuracy; increase the weight limit of the reel; revised aging heat treatment process; --- Increased supply state 1/4 hard (Y4), 3/4 hard (Y1), soft-aging (TF00), 1/4 hard Aging (TH01), 1/2 hard Aging (TH02), 3/4 hard Aging (TH03) and hard aging (TH04); --- Mechanical properties section, the 1/4 hard (Y4), 3/4 hard (Y1) performance and improve the performance range of cold state; increased Tensile strength upper portion; --- Test Method to the winding metal wire repeated bending test method. Appendix A of this standard is the data appendix. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by the Ningxia Orient Tantalum Industry Co., Ltd. is responsible for drafting. The main drafters of this standard. Jiang Tao, head faced steel Han Jun, Huo Hongfeng, Yang Lijuan, xingping. This standard replaces the standards previously issued as follows. --- YB/T 565-1965, YS/T 571-2006. Beryllium copper round wire

1 Scope

This standard specifies the beryllium line requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or contract), etc. content. This standard applies to the manufacture of precision springs beryllium copper round wire, instrumentation, and other components of the elastic element.

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 228-2002 metallic materials at room temperature tensile test method GB/T 238 metal wire repeated bending test method for materials GB/T 351 metal material resistivity measurement method GB/T 5231 Wrought copper and copper alloy chemical composition and shape of the product GB/T 8888 heavy non-ferrous metal processing products packaging, labeling, transportation and storage YS/T 470.1 beryllium copper alloys - Inductively coupled plasma emission spectrometry beryllium, cobalt, nickel, titanium, iron, aluminum, Silicon, lead, magnesium content

3 Requirements

3.1 Categories 3.1.1 product grades, status and specifications shall comply with the requirements of Table 1. Table 1 Product grades, status and specifications Grade Status diameter/mm QBe2 QBe1.9 C17200 C17300 Soft state or solution annealed condition (M), 1/4 hard state (Y4), semi-hard state (Y2), 3/4 Hard (Y1) Hard (Y) Soft aging state (TF00) 1/4 hard - aged (TH01) 1/2 hard - aged (TH02) 3/4 hard - aged (TH03) Hard aging state (TH04) 0.5 ~ 6.00 0.03 ~ 6.00 0.5 ~ 6.00 0.1 ~ 6.00 Note 1. The state representation and description in Appendix A. Note 2. 3/4 hard (Y1) and 3/4 hard state limitation (TH03) state products are generally only supply a diameter less than or equal to the wire 2.0mm. 3.1.2 tag example Products marked by order of the product name, grade, status, size and number of the standard representation. Tag example as follows. Example 1. QBe2 made, hard state, beryllium copper wire having a diameter of 1.20mm marked. Line QBe2Y 1.20 YS/T 571-2009 Example 2. C17300 manufactured, when the soft state, beryllium copper wire having a diameter of 1.60mm marked. Line C17300TF00 1.60 YS/T 571-2009 ......

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