Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: AASHTO M 169:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Standard Specification for Steel Bars, Carbon and Alloy, Cold-Finished
• Thay thế cho / Replace: AASHTO M 169:2015
• Số trang / Page: 12

Phạm vi áp dụng / Scope of standard

This specification covers cold-finished carbon and alloy steel bars produced in straight length and coil. Cold-finished bars are suitable for heat treatment, for machining into components, or for use in the as-finished condition as shafting or in constructional applications or for other similar purposes (Note 1). Grades of steel are identified by grade numbers or by chemical composition.

Note 1-A guide for the selection of steel bars is contained in ASTM A400.

Some end uses may require one or more of the available designations shown under Supplementary Requirements. Supplementary requirements shall apply only when specified individually by the purchaser.

The values stated in SI 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.