SUS316H Seamless Stainless Steel Square Tube

SUS316H is a high carbon content austenitic stainless steel that belongs to the Japanese Standard (SUS) equivalent of AISI 316H stainless steel. Here are some characteristics and properties about SUS316H:

 SUS316H contains a high carbon content relative to conventional SUS316. This high carbon content can be achieved through heat treatment, which improves the strength and creep resistance of the material.

Corrosion Resistance: Similar to SUS316, SUS316H has excellent corrosion resistance, especially in chloride environments. However, due to its high carbon content, there may be a risk of intergranular corrosion. Therefore, special care is required for certain specific corrosive environments.

Due to its high carbon content, SUS316H has higher high temperature strength and creep resistance. This allows it to perform better in high temperature environments for applications such as high temperature furnaces and heat treatment equipment.

Thermal Expansion: Due to the composition of the alloy, the coefficient of thermal expansion of SUS316H is similar to some high temperature alloys and ceramic materials, making it easier to work with other materials in high temperature applications.

Applications: SUS316H is widely used in high-temperature furnaces, heat-treatment equipment, furnace parts, heat exchangers, and other applications that require working in high-temperature and corrosive environments. It is also commonly used in power, metallurgy, chemical and other industrial fields.

Machinability: Although SUS316H has a high carbon content, it usually still has relatively good machinability and can be machined, welded and formed.

It should be noted that the properties and characteristics of SUS316H may vary depending on factors such as the manufacturer, the processing method, and the specific environment in which it is used. When selecting a material, the suitability of SUS316H for a specific high temperature application should be evaluated based on actual needs and application conditions. Also, due to its high carbon content, attention needs to be paid to the possibility of intergranular corrosion, which may require appropriate precautions in specific environments.