Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM B500/B500M-09
• Năm ban hành / Publication date: 2009
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Metallic Coated Stranded Steel Core for Use in Overhead Electrical Conductors
• Số trang / Page: 3
• Phạm vi áp dụng / Scope of standard: 1.1 This specification covers 7-wire, 19-wire, 37-wire, and 61-wire zinc-coated (galvanized), zinc-5 % aluminum-mischmetal alloy-coated stranded steel core intended for use in overhead electrical conductors. 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.