Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM B227-15(2019)
Năm ban hành 2019

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Specification for Hard-Drawn Copper-Clad Steel Wire
Chỉ số phân loại Quốc tế (ICS)

By field

77.140 - Sản phẩm sắt và thép
77.140.65 - Dây thép, cáp thép và xích thép
Số trang

Page

4
Giá:

Price

Liên hệ / Contact us
Phạm vi áp dụng

Scope of standard

1.1 This specification covers bare hard-drawn round copper-clad steel wire for electrical purposes (Note 1). Note 1: Wire ordered to this specification is not intended for redrawing. If wire is desired for this purpose, consult the manufacturer. 1.2 Four grades of wire are specified, designated as follows (Note 2): Grade 40 HS, Grade 40 EHS, Grade 30 HS, and Grade 30 EHS. Note 2: The grades covered by this specification correspond to the following commercial designations:    Grade 40 HS, High Strength, 40 % Conductivity.    Grade 40 EHS, Extra High Strength, 40 % Conductivity   Grade 30 HS, High Strength, 30 % Conductivity.   Grade 30 EHS, Extra High Strength, 30 % Conductivity. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.4 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.