Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ASTM D6557-09
• Năm ban hành / Publication date: 2009
• Tình trạng / Status: W - Hết hiệu lực
• Tên tiếng Anh / Title in English: Standard Test Method for Evaluation of Rust Preventive Characteristics of Automotive Engine Oils
• Chỉ số phân loại Quốc tế (ICS) / By field: 75.100 - Chất bôi trơn, dầu công nghiệp và các sản phẩm liên quan
• Số trang / Page: 10
• Phạm vi áp dụng / Scope of standard: 1.1 This test method covers a Ball Rust Test (BRT) procedure for evaluating the anti-rust ability of fluid lubricants. The procedure is particularly suitable for the evaluation of automotive engine oils under low-temperature, acidic service conditions. 1.2 Information Letters are published occasionally by the ASTM Test Monitoring Center (TMC) to update this test method. Copies of these letters can be obtained by writing the center. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3.1 Exceptions - Where there is no direct equivalent, such as the units for screw threads, national pipe threads/diameters, and tubing size. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See 7.1.1-7.1.3 and 8.2.1.1.