A588 Weathering Steel Executive Standard

Product name of A588 weathering steel

1. Features and applications: Excellent structural steel resistant to atmospheric corrosion, seawater, salt water and other salt corrosion.

2. Chemical composition: (mass fraction) [Si] ≤ 2.50; (mass fraction) [Si] ≤ 2.50; (volume fraction) [Si] 1.80; (mass fraction) [V] 0.80+0.025, aluminum content < 1.5 %.

3. Delivery status: hot rolled, normalized or high temperature tempered.

4. Chemical composition and metallographic structure: tested according to the method specified in the standard GB/T 777.

5. Mechanical performance (mechanical performance test): according to GB/T 596-93, the sample is tested at a temperature of 20°C and a relative humidity of 75%.

6. Surface quality: Slight scratches and visible oil stains are allowed on the steel plate, but it should meet the requirements for surface quality in JIS standards.

A588 weathering steel executive standard

China ASTMA588 weathering steel plate standard was approved and issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China in December 2002. The standard number is: GB/T 5489-2002.

Standard contents mainly include:
• Grade, chemical composition and mechanical performance indicators;
• Product size, weight;
•Surface Quality;
•delivery status;
• Packing group "B".
In this standard, the grade of weathering steel is represented by the letter "A", the steel grade is represented by the number "88", the chemical composition is represented by the English letter "C", and the size is represented by the steel grade (mm).