Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM A2-02(2020)
Năm ban hành 2020
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Specification for Carbon Steel Girder Rails of Plain, Grooved, and Guard Types
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 3
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 This specification covers carbon steel girder rails2 of three classes based on type or type and weight, and chemistry defined as follows and in Table 1. 1.1.1 Unless otherwise specified by the purchaser, girder-guard rails shall be Class A. 1.1.2 Plain and grooved-girder rails under 135 lb/yd (67.1 kg/m) in weight shall be specified by the purchaser as either Class A or Class B. 1.1.3 Plain and grooved-girder rails of 135 lb/yd in weight and heavier shall be Class C, unless otherwise specified. 1.2 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. 1.3 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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