Stainless Steel 347H Screw

Stainless Steel 347H screws are premium quality fasteners manufactured from stainless steel having a special composition of chromium, nickel and tantalum. The stability of the alloy at high temperatures, for instance, guarantees that the screws will not degrade, nor will they oxidize, in critical applications.

Chemical Composition of Stainless Steel 347H Screws

The composition of the SS 347H screw is crucial for understanding their properties and performance in various industrial applications.

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	8xC – 1.10	9.0 -13.0	63.72 min

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

Mechanical Properties of 347H Stainless Steel Screws

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

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 °C (2650 °F)	Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %

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

Features of Stainless Steel 347H Screws

347H Stainless Steel screws offer several notable features due to their unique composition and properties which include:

Corrosion Resistance: SS 347H screws ensure outstanding resistance to oxidation and corrosion in highly corrosive mediums such as sulfuric acid or nitric acid.
Stability: These screws retain the mechanical properties and dimensions of the component when exposed to thermal loads.
Tantalum Addition: The tantalum addition improves SS 347H screws stability and resistance to intergranular corrosion.
Austenitic Structure: SS 347H screws also maintain adequate strength and hardness at elevated temperatures because of their austenitic grain structure.
Cryogenic Temperature Performance: 347H SS screws are suitable for various temperatures, where it exhibits excellent strength and toughness even in cryogenic conditions.
High Strength: These screws provide enhanced tensile and yield strength than the other common stainless steel types.
Stress-Corrosion Cracking Resistance: 347H SS screws ensure high performance under stress-corrosion cracking in different conditions.
Good Weldability: SS 347H screws can be welded using conventional methods of welding, which makes it ideal for applications that require intricate connections.
Formability: SS 347H screws can be easily machined and formed into different shapes without losing most of its properties.
Non-Magnetic Properties: In general, these screws are diamagnetic, meaning they do not have magnetic properties, which can be useful in applications where magnetism is an issue.

These features contribute to the versatility and reliability of Stainless Steel 347H screws in various demanding applications.

Uses of 347H Stainless Steel Screws

Stainless Steel 347H screws are utilized in a range of industries due to their unique properties. These bars are commonly used in industrial settings.

Aerospace Industry: SS 347H screws are used in aircraft engines and other systems that are subjected to high temperature and corrosive conditions.
Petrochemical Plants: SS 347H screws are utilized in connecting elements for equipment and pipes using equipment and pipes using fluids that tend to corrode the equipment and pipes apart from handling high temperatures.
Power Generation: SS 347H screws are used in turbines, boilers, reactors, or any other application where the strength of the material depends on high temperature.
Chemical Processing: 347H SS screws are used in equipment and structures used in handling aggressive chemicals.
Marine Applications: These screws are used for connection devices for structure and equipment to be installed in areas where they are exposed to seawater, improving the anti-corrosive capability.
Oil and Gas Industry: SS 347H screws are utilized in various parts of the exploration and production equipment that need strength and resistance to corrosion.
Nuclear Industry: SS 347H screws are used in severe fasteners in different reactors as well as other parts that are put under considerable stress and high temperatures.
Heat Exchangers: 347H stainless steel screws are employed in parts of heat exchangers where fatigue resistance and corrosion protection are required.
Automotive Industry: Stainless Steel 347H screws are used in components of car engines and exhaust systems are required to be heat resistant for optimum engine performance.
Pharmaceutical Equipment: These screws are used in processing and manufacturing equipment that require high degrees of cleanliness and corrosion resistance.

Thus, Stainless Steel 347H screws can withstand extreme conditions, making them a preferred choice for critical applications.

Chemical Composition of Stainless Steel 347H Screws

The composition of the SS 347H screw is crucial for understanding their properties and performance in various industrial applications.

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
SS 347H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	8xC – 1.10	9.0 -13.0	63.72 min

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

Mechanical Properties of 347H Stainless Steel Screws

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

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 °C (2650 °F)	Psi – 75000, MPa – 515	Psi – 30000, MPa – 205	35 %

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

Features of Stainless Steel 347H Screws

347H Stainless Steel screws offer several notable features due to their unique composition and properties which include:

Corrosion Resistance: SS 347H screws ensure outstanding resistance to oxidation and corrosion in highly corrosive mediums such as sulfuric acid or nitric acid.
Stability: These screws retain the mechanical properties and dimensions of the component when exposed to thermal loads.
Tantalum Addition: The tantalum addition improves SS 347H screws stability and resistance to intergranular corrosion.
Austenitic Structure: SS 347H screws also maintain adequate strength and hardness at elevated temperatures because of their austenitic grain structure.
Cryogenic Temperature Performance: 347H SS screws are suitable for various temperatures, where it exhibits excellent strength and toughness even in cryogenic conditions.
High Strength: These screws provide enhanced tensile and yield strength than the other common stainless steel types.
Stress-Corrosion Cracking Resistance: 347H SS screws ensure high performance under stress-corrosion cracking in different conditions.
Good Weldability: SS 347H screws can be welded using conventional methods of welding, which makes it ideal for applications that require intricate connections.
Formability: SS 347H screws can be easily machined and formed into different shapes without losing most of its properties.
Non-Magnetic Properties: In general, these screws are diamagnetic, meaning they do not have magnetic properties, which can be useful in applications where magnetism is an issue.

These features contribute to the versatility and reliability of Stainless Steel 347H screws in various demanding applications.

Uses of 347H Stainless Steel Screws

Stainless Steel 347H screws are utilized in a range of industries due to their unique properties. These bars are commonly used in industrial settings.

Aerospace Industry: SS 347H screws are used in aircraft engines and other systems that are subjected to high temperature and corrosive conditions.
Petrochemical Plants: SS 347H screws are utilized in connecting elements for equipment and pipes using equipment and pipes using fluids that tend to corrode the equipment and pipes apart from handling high temperatures.
Power Generation: SS 347H screws are used in turbines, boilers, reactors, or any other application where the strength of the material depends on high temperature.
Chemical Processing: 347H SS screws are used in equipment and structures used in handling aggressive chemicals.
Marine Applications: These screws are used for connection devices for structure and equipment to be installed in areas where they are exposed to seawater, improving the anti-corrosive capability.
Oil and Gas Industry: SS 347H screws are utilized in various parts of the exploration and production equipment that need strength and resistance to corrosion.
Nuclear Industry: SS 347H screws are used in severe fasteners in different reactors as well as other parts that are put under considerable stress and high temperatures.
Heat Exchangers: 347H stainless steel screws are employed in parts of heat exchangers where fatigue resistance and corrosion protection are required.
Automotive Industry: Stainless Steel 347H screws are used in components of car engines and exhaust systems are required to be heat resistant for optimum engine performance.
Pharmaceutical Equipment: These screws are used in processing and manufacturing equipment that require high degrees of cleanliness and corrosion resistance.

Thus, Stainless Steel 347H screws can withstand extreme conditions, making them a preferred choice for critical applications.

bright metal overseas llp

mumbai - maharashtra - india

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bright metal overseas llp

mumbai - maharashtra - india

1 Year

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Stainless Steel 347H Screw FAQ's

A Stainless Steel 347H screw is a type of fastener made from stainless steel alloy that contains chromium, nickel, molybdenum and other alloys. It offers excellent resistance to high temperature environments and oxidation, which makes it ideal for applications in the petroleum and chemical industries.

Stainless Steel 347H screws feature an enhanced creep resisting property due to their high content of chromium, molybdenum, and silicon. They also have excellent grain structure and mechanical properties at elevated temperatures. Furthermore, they offer superior corrosion-resistance in extreme environments.

Stainless Steel 347H screws can be used in various applications where high temperature stability and corrosion-resistance are required such as petrochemical plants, off-shore rigs, nuclear power plants and paper mills. Additionally, they’re often used in food processing equipment that has continuous exposure to moisture or salt solutions.

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