Stainless Steel 347H Fasteners

Stainless steel 347H fasteners are designed to operate at elevated temperatures and offer excellent resistance against corrosion in abnormal hostile conditions. Austenitic stainless steels contain niobium and tantalum carbon additions in a solid solution.

Chemical Composition of SS 347H fasteners

The composition of stainless steel 347H fasteners is crucial for understanding their properties and performance in various industrial applications.

Thus, this table provides valuable insights into the chemical composition of these fasteners, highlighting their properties and suitability. 

Mechanical Properties of Stainless steel 347H fasteners

The table provides essential information for engineers and manufacturers to assess the integrity and durability of Stainless steel 347H fasteners in demanding environments.

Thus, this valuable data on the strength, flexibility, and resilience of stainless steel 347H fasteners is crucial for ensuring reliability and longevity.

Features of stainless steel 347H fasteners 

Stainless steel 347H fasteners possess several key features that make them suitable for demanding environments; here are some below:

• High-Temperature Resistance: SS 347H fasteners are used where high temperatures are likely to exist without sacrificing their mechanical characteristics.
• Corrosion Resistance: Adding niobium (columbium) and tantalum helps overcome intergranular corrosion and sensitisation in SS 347H fasteners in service areas with alternating temperature conditions.
• Excellent Weldability:  347H stainless steel fasteners have a high alloy content, so welding is not challenging. They can be welded using various conventional methods.
• Strength and Durability:  SS 347H fasteners' high tensile strength and other mechanical strength enable them to withstand the stress associated with heavier loads in Industries.
• Low Maintenance: Stainless steel 347H fasteners are slow to corrode even in demanding environments, which means lower degradation and a need for more frequent maintenance, thereby cutting down operating losses.
• Longevity: SS 347H fasteners have a longer service life, contributing to the overall effectiveness of cost and reliability in projects that are important to society.

Thus, SS 347H fasteners are considered to have rigidity, making them ideal for superior applications worldwide.

Applications of stainless steel 347H fasteners

347H Stainless steel fasteners are widely used and are preferred across a wide variety of industries. Some of the key applications include: 

• Refineries and Petrochemical Plants:  347H Stainless Steel Fasteners are used in reactors, heat exchangers, and pipes.
• Chemical Processing: In chemical plants, 347H fasteners are used on bolts and related equipment to contain vessels, pumps, valves, and other assemblies.
• Aerospace Industry: SS 347H fasteners are used in aerospace fasteners, motor vehicle parts, engine components, structural parts, sanitary fittings, valves and electrical furnace equipment, as well as aircraft engines and structures.
• Power Generation: SS 347H fasteners are used to operate boilers, turbines, and heat exchangers in fossil-based or nuclear power plants.
• High-Temperature Equipment: SS 347H fasteners are employed in various manufacturing processes, such as equipment for furnaces, kilns, and incinerators.
• Pharmaceutical and Food Processing: SS 347H fasteners, used in several industries, such as pharmaceutical products and food processing machinery to meet certain high standards of safety and quality.
• Marine and Offshore: 347H Stainless steel fasteners are used in marine and offshore applications, such as structures, platforms, pipelines and subsea equipment.

Thus,  stainless steel 347H fasteners lead to equipment and structures that guarantee stability and safety in harsh working conditions.