Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM B397-85(1999)
• Năm ban hành / Publication date: 1999
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Concentric-Lay-Stranded Aluminum-Alloy 5005-H19 Conductors (Withdrawn 2003)
• Số trang / Page: 5
• Phạm vi áp dụng / Scope of standard: 1.1 This specification covers concentric-lay-stranded conductors, made of round aluminum-alloy 5005-H19 (extra-hard) wires, for general use for electrical purposes. These conductors shall be constructed with a central core wire surrounded by one or more layers of helically laid wires (Explanatory Notes 1 and 2). 1.3 The values stated in inch-pound units are to be regarded as the standard, with the exception of resistivity. The SI equivalents of inch-pound units may be approximate. Note 1-The alloy and temper designations conform to ANSI H35.1. Aluminum-alloy 5005 corresponds to unified numbering system alloy A95505 in accordance with Practice E527.