Common standards for seamless steel pipes?

The material standards for seamless steel pipes are generally formulated and published by the International Organization for Standardization (ISO) and the National Organization for Standardization. These standards are represented in a combination of letters and numbers to distinguish and classify different materials. Below, we will introduce several common standards for seamless steel pipe materials.

1. ASTM/AISI standard: ASTM/AISI is a steel material standard developed by the American Society for Testing and Materials and the American Iron and Steel Institute. These standards usually start with the letter A, followed by a series of numbers or letters to indicate different steel grades and alloy element contents. For example, ASTM A106 is a commonly used standard for seamless carbon steel pipe materials used in high-temperature and high-pressure environments.  

2. GB/T standard: GB/T is the abbreviation of the Chinese National Standard (GB) and the National Technical Committee (T). China has formulated many material standards for seamless steel pipes, aiming to standardize the production and application of seamless steel pipes in China. Common standards include GB/T8162, GB/T8163, and GB/T3087. These standards are classified according to steel grade, chemical composition, and mechanical properties to meet the requirements of different engineering projects for seamless steel pipes.

3. JIS Standard: JIS is an abbreviation for Japanese Industrial Standard. The JIS standards mainly include JIS G3454, JIS G3455, and JIS G3456, covering the material requirements for seamless steel pipes such as carbon steel, alloy steel, and high-temperature steel.

4. DIN standard: DIN is the abbreviation of German industrial standard and one of the most commonly used standards in Europe. The DIN standard specifies the quality requirements and chemical composition of seamless steel pipes. For example, the DIN1629 standard covers seamless structural pipes, seamless rolled pipes, and petroleum deep drawn pipes.