
Stainless Steel 347H Round Bar Manufacturers in Mumbai
Stainless Steel 347H Round Bars are high-performance austenitic stainless steel products designed to withstand high temperatures and resist intergranular corrosion. This stainless steel grade is a high-carbon version of SS 347, offering enhanced creep resistance and superior strength in extreme conditions. SS 347H Round Bars are widely used in industries requiring durable, heat-resistant materials that maintain structural integrity under prolonged exposure to elevated temperatures. If you are looking for reliable Stainless Steel 347H Round Bar Manufacturers in Mumbai, Piyush Steel is a trusted supplier known for delivering high-quality stainless steel products that meet international standards.
The high carbon content in SS 347H provides improved mechanical strength, hardness, and resistance to oxidation and stress corrosion cracking. This makes it particularly suitable for applications such as heat exchangers, boilers, refinery equipment, power plants, and high-temperature piping systems.
Stainless Steel 347H Round Bar Suppliers in India
Industries requiring premium-quality stainless steel products rely on trusted Stainless Steel 347H Round Bar Suppliers in India to ensure durability, precision, and compliance with industry standards. SS 347H Round Bars, designated as UNS S34709 or DIN 1.4961, provide excellent corrosion resistance, oxidation resistance, and high-temperature strength, making them widely used in high-pressure and heat-intensive applications.
Due to its niobium (columbium) stabilization, SS 347H prevents carbide precipitation during welding and high-temperature operations, ensuring long-term performance and preventing material degradation. These properties make SS 347H Round Bars an ideal choice for use in aerospace components, gas turbines, petrochemical equipment, and power generation plants.
Stainless Steel 347H Round Bar Exporters in India
Stainless Steel 347H Round Bars are widely exported due to their exceptional performance in demanding industrial conditions. Leading Stainless Steel 347H Round Bar Exporters in India supply these bars to global markets, ensuring high-quality and corrosion-resistant stainless steel products for a variety of industries. SS 347H is particularly valued in sectors such as aviation, marine, chemical processing, and petroleum refining, where materials must endure high temperatures, aggressive chemicals, and extreme mechanical stress without compromising durability.
The SS 347H Round Bar is extensively used in thermal processing units, cryogenic systems, furnace parts, and superheater tubes due to its enhanced strength and excellent resistance to thermal fatigue. Additionally, industries such as food processing, pharmaceuticals, and pulp & paper utilize this stainless steel grade for its hygienic properties and ability to withstand harsh chemical exposure.

SS 347H Round Bar is a high-carbon version of 347 stainless steel. It is stabilized with niobium to enhance its resistance to intergranular corrosion and scaling at excessive temperatures. The elevated carbon content affords stepped-forward strength and creep resistance, making it best for applications that involve intense thermal situations. These bars are widely used in industries including petrochemicals, prescribed drugs, and heat exchangers.
With its terrific mechanical houses and chemical stability, SUS 347H Round Bar stands proud as a dependable material for important commercial tasks. It is also well-suited for environments where publicity to chlorides and acids is commonplace, in addition to its versatility.
We maintain a comprehensive inventory of SS 347H bars to satisfy various customer requirements. These forms encompass:
Form |
Description |
Stainless Steel Round Bar |
A versatile cylindrical bar used across a couple of industries for shafts, fasteners, and device additives. |
Stainless Steel Square Bar |
Offers a strong and uniform form, making it appropriate for construction. |
Stainless Steel Hollow Bar |
Lightweight and ideal for packages requiring decreased material weight without compromising strength. |
Stainless Steel Hex Bar |
Designed for excessive-electricity packages along with bolts, nuts, and fasteners. |
Stainless Steel Bright Bar |
Known for its clean end and more suitable corrosion resistance, best for cultured and precision applications. |
Stainless Steel Forged Bar |
A high-electricity bar, solid to provide maximum durability for heavy-responsibility applications like turbine components and gears. |
We offer SS 347H Round Bar in a number of preferred sizes and specifications to meet unique industrial requirements.
Property |
Details |
Diameter |
5mm to 500mm |
Length |
Up to 6 meters |
Surface Finish |
Bright, Black, or Polished |
Standards Followed |
ASTM A276, A479 |
Element |
% Composition |
Chromium |
17.0 – 20.0 |
Nickel |
9.0 – 12.0 |
Carbon |
0.04 - 0.10 |
Manganese |
Max 2.0 |
Silicon |
Max 1.0 |
Phosphorus |
Max 0.045 |
Sulfur |
Max 0.03 |
Property |
Value |
Tensile Strength |
515 MPa (Min) |
Yield Strength |
205 MPa (Min) |
Elongation |
30% (Min) |
Area of reduction |
40% (Min) |
Hardness (HBW) (NACE MR 0175) |
Max 237 |
Standard |
Grade |
ASTM A276/A479 |
S34709 |
EN 10088-3 |
1.4961 |
G4303 |
SUS 347H |
To make certain traceability and authenticity, all SS 347H Round Bar products are marked with:
- Heat Amount: Enables batch traceability.
- Grade: Denotes the precise alloy, such as UNS 34709 or DIN 1.4961.
- Size: indicates the diameter for proper identification.
- Manufacturer’s Mark: Authenticates the product as a proper Piyush Steel round barobject.
Chemical Processing Industry:
SS 347H Round Bars are used in reactors, warmth exchangers, and distillation columns due to their resistance to intergranular corrosion and capability to resist exposure to harsh chemicals. They offer sturdiness and reliability in environments with strong oxidizing agents.
Power Generation:
These bars are ideal for boilers, steam turbines, and superheaters in power flora, offering fantastic thermal balance underneath high temperatures. Their sturdy overall performance ensures long-term reliability in structures with non-stop thermal biking.
Aerospace Industry:
SS 347H Round Bars are used in engine elements, exhaust manifolds, and turbine blades, thanks to their high strength and warmth resistance. They make certain light-weight durability, vital for the performance of the present day.
Heat Exchangers and Condensers:
Round bars are essential to heat exchangers and condensers where thermal efficiency and resistance to scaling are vital. They perform noticeably nicely underneath conditions of high temperature and thermal biking.
Oil and Gas Industry:
SS 347H Round Bars are used in pipelines, offshore structures, and drilling rigs for his or her brilliant resistance to chlorides and corrosive media. They make sure safety and durability in extreme environmental situations.
Food and Beverage Industry:
These bars are hired in processing devices like garage tanks and piping systems for his or her corrosion resistance and capacity to keep hygiene requirements. They are perfect for environments requiring non-reactive and sterile surfaces.
Piyush Steel round bar serves customers globally, exporting SS 347H Round Bar to regions inclusive of Europe, the Middle East, Asia-Pacific, and the Americas. For more information or to place an order, Contact us today!