Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM A751-20
Năm ban hành 2020
Publication date
Tình trạng
A - Còn hiệu lực
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Tên tiếng Anh
Title in English Standard Test Methods, Practices, and for Chemical Analysis of Steel Products
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 6
Giá:
Price Liên hệ / Contact us
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Phạm vi áp dụng
Scope of standard 1.1 These test methods and practices cover definitions, reference methods, practices, and guides relating to the chemical analysis of steel, stainless steel, and related alloys. They include both wet chemical and instrumental techniques.
1.2 Directions are provided for handling chemical requirements, product analyses, residual elements, and reference standards, and for the treatment and reporting of chemical analysis data. 1.3 These test methods and practices apply only to those product standards which include these test methods and practices, or parts thereof, as a requirement. 1.4 In cases of conflict, the product specification requirements shall take precedence over the requirements of these test methods and practices. 1.5 Attention is directed to ISO/IEC 17025 when there may be a need for information on criteria for evaluation of testing laboratories. |