1. Introduction

Stainless steel seamless pipe is a metal pipe with excellent corrosion resistance, high strength and good processing performance. Among many stainless steel seamless pipes, JIS G3459 SUS316L stands out with its unique chemical composition and excellent performance, making it an ideal choice in various fields. This article will discuss the characteristics and applications of JIS G3459 SUS316L stainless steel seamless pipe in depth.

 

2. Chemical Composition

The chemical composition of JIS G3459 SUS316L stainless steel seamless pipe mainly includes chromium (Cr), nickel (Ni), molybdenum (Mo) and other elements. Among them, the content of chromium is 16% to 18%, the content of nickel is 10% to 14%, and the content of molybdenum is 2% to 3%. The reasonable proportion of these elements makes SUS316L have excellent corrosion resistance.

 

3. Mechanical Properties

The yield strength of SUS316L is 205MPa, the tensile strength is 520MPa, and the elongation is 30%. It can maintain good mechanical properties at high and low temperatures, and has high strength and toughness.

 

4. Hardness

The hardness of SUS316L is HBW200, which has good wear resistance and corrosion resistance.

 

5. Flaw Detection Standards

To ensure the internal quality of the pipe, SUS316L adopts strict flaw detection standards, such as ultrasonic flaw detection, eddy current flaw detection, etc., to detect defects and cracks in the pipe.

 

6. Heat Treatment Status

SUS316L can be subjected to solution treatment and annealing treatment to obtain different mechanical properties and corrosion resistance. Solution treatment can improve the strength and hardness of the pipe, while annealing treatment can improve the plasticity and toughness of the pipe.

 

7. Impact Temperature

Even in low-temperature environments, SUS316L can still maintain good impact toughness, and the impact temperature can reach -40°C.

 

8. Main Application Scenarios

Due to its excellent corrosion resistance and good mechanical properties, SUS316L stainless steel seamless pipe is widely used in chemical, petroleum, marine engineering, food processing, medical equipment and other fields. For example, it can be used for conveying corrosive media, manufacturing chemical equipment, offshore platform structures, etc.

 

9. Size Range

The outer diameter range of SUS316L is 6mm to 630mm, and the wall thickness range is 0.5mm to 30mm. Special-sized pipes can be customized according to customer needs.

 

10. Relevant Supply Cases

Here are some typical supply cases:

 

1. Supplied a large amount of SUS316L stainless steel seamless pipe to a chemical enterprise for conveying corrosive media.

 

2. Supplied SUS316L stainless steel seamless pipe to an oil company for manufacturing offshore drilling platform pipeline systems.

 

3. Supplied SUS316L stainless steel seamless pipe to a medical equipment manufacturer for manufacturing medical equipment.

 

4. Conclusion

JIS G3459 SUS316L stainless steel seamless pipe, with its excellent chemical composition, mechanical properties, hardness, flaw detection standards, heat treatment status, impact temperature, size range and wide application scenarios, has become the ideal choice for chemical, petroleum, marine engineering, food processing, medical equipment and other fields.