Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM A49-12(2019)
Năm ban hành 2019

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Specification for Heat-Treated Carbon Steel Joint Bars, Microalloyed Joint Bars, and Forged Carbon Steel Compromise Joint Bars
Chỉ số phân loại Quốc tế (ICS)

By field

77.140 - Sản phẩm sắt và thép
77.140.60 - Thép thanh
Số trang

Page

4
Giá:

Price

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Phạm vi áp dụng

Scope of standard

1.1 This specification covers heat-treated carbon steel joint bars, microalloyed joint bars, and forged compromise joint bars for general use in standard railroad track. 1.2 The joint bars may be used for the production of insulated joints. 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.