Product Description

GB/T 3090 S30408 S30403 S31608 S31603 S32168 Seamless Steel Tube

Small Diameter Seamless Stainless Steel Tubes for Medical Applications

Material

The GB/T 3090 standard specifies the requirements for small diameter seamless stainless steel tubes, particularly those used in medical applications. These tubes are designed to meet stringent standards for cleanliness, corrosion resistance, and mechanical properties, making them suitable for various medical devices and equipment.

Specification

The seamless stainless steel tubes covered under this standard are characterized by their small diameter and high precision. They are typically produced through a seamless manufacturing process, ensuring uniformity and integrity throughout the tube's length.

Key Features

• Corrosion Resistance: Excellent resistance to various corrosive environments, making them ideal for medical applications.
• High Strength: Capable of withstanding high pressures and mechanical stresses.
• Biocompatibility: Safe for use in medical devices that come into contact with biological tissues.
• Precision: Manufactured to tight tolerances, ensuring consistent dimensions and performance.

Chemical Composition

The following table presents the typical chemical composition of the specified steel grades:

Mechanical Properties

The mechanical properties of the specified steel grades are summarized in the following table:

Steel Grade

The steel grades covered under GB/T 3090 include:

• S30408: Austenitic stainless steel with good corrosion resistance.
• S30403: Low carbon version of S30408, enhancing weldability.
• S31608: Contains molybdenum for improved corrosion resistance in chloride environments.
• S31603: Low carbon version of S31608, suitable for welding applications.
• S32168: Stabilized grade with titanium, providing excellent resistance to intergranular corrosion.

Application

These seamless stainless steel tubes are widely used in the medical industry for applications such as:

• Surgical instruments
• Catheters
• Medical implants
• Diagnostic equipment
• Fluid delivery systems

Possible Alternative Grades

In addition to the specified grades, the following alternative grades may be considered for similar applications:

• S30400: Standard austenitic stainless steel.
• S31600: Standard molybdenum-bearing stainless steel.
• S32100: Stabilized stainless steel for high-temperature applications.

These alternative grades may offer similar properties and performance, depending on the specific requirements of the application.

Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.

Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.

At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.