Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM B135/B135M-17
Năm ban hành 2017
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Specification for Seamless Brass Tube
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 8
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This specification covers seamless round and rectangular including square copper alloy tube in straight lengths. Ten alloys are specified having the following nominal compositions: Copper Previously Nominal Composition, % Alloy Used UNS No.2 DesignationA Copper Zinc Lead Tin C22000 7 90.0 10.0 ... ... C23000 1 85.0 15.0 ... ... C26000 2 70.0 30.0 ... ... C27000 9 65.0 35.0 ... ... C27200 8 63.0 37.0 ... ... C27400 ... 62.5 37.5 ... ... C28000 5 60.0 40.0 ... ... C33000 3 66.0 33.5 0.5 ... C33200 4 66.0 32.4 1.6 ... C37000 6 60.0 39.0 1.0 ... C44300 ... 71.5 27.5 ... 1.00(A) Alloy Designations of Specification B135 - 63, which was published in the 1966 Book of ASTM Standards, Part 5. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.3 Warning-Mercury has been designated by many regulatory agencies as a hazardous substance that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Safety Data Sheet (SDS) for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law. (See 10.1.)2 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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