Aditya Stainless has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347H Fasteners right here in Kolkata, India. We take pride in our exceptional quality and precision engineering, offering a wide array of SS 347H Fasteners, including bolts, nuts, washers, screws, studs, and more, tailored to meet diverse industrial needs. Crafted from high-grade materials and utilizing cutting-edge technology, our fasteners guarantee outstanding strength, durability, and resistance to high-temperature corrosion. Serving sectors like petrochemicals, power generation, and aerospace, Aditya Stainless has become the go-to choice for Stainless Steel 347H Fasteners in Kolkata, consistently delivering products that align with international standards and exceed client expectations.
Stainless Steel 347H Fasteners are made from an austenitic chromium-nickel alloy that’s stabilized with columbium (niobium), featuring around 17-20% Chromium, 9-13% Nickel, along with trace elements of carbon, manganese, silicon, and iron. Built for high-temperature applications, SS 347H boasts impressive creep resistance and can withstand oxidation up to 870°C. Its mechanical properties include a minimum tensile strength of 515 MPa, a yield strength of at least 205 MPa, and an elongation of 40% over 50mm. With a density of 7.9 g/cm³, these fasteners maintain their mechanical integrity even in heat and corrosive environments.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347H Fasteners
|
IS
BS
ASTM
|
ASTM / ASME – A/ SA 193 |
3 mm
to
200 mm
|
M02 to M33
|
| Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
| 347H | min. max | 2.00 | – | 0.045 | 0.04 0.10 | 0.030 | 17.0 19.0 | 3 – 4 | 0.75 | 9.00 13.00 | – – |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 40 | 95 | 217 |
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Highly resistant to corrosion, Stainless Steel 347H Nuts are ideal for high-temperature environments. Available in sizes from M2 to M64, they offer robust performance in harsh conditions, maintaining structural integrity and reliability.
Corrosion-resistant and suited for high-stress applications, Stainless Steel 347H Stud Bolts come in diameters ranging from M6 to M36 and lengths up to 1000 mm. They are used in industrial settings where high strength and resistance to oxidation are required.
Featuring excellent resistance to oxidation and corrosion, Stainless Steel 347H Bolts are available in sizes from M5 to M50, with lengths varying from 10 mm to 300 mm. They are ideal for high-temperature and corrosive environments.
Highly resistant to corrosion, Stainless Steel 347H threaded rods are available in diameters from M6 to M36 and lengths up to 3000 mm. They provide excellent mechanical strength and are used in high-temperature applications.
Offering superb corrosion resistance, Stainless Steel 347H screws are available in sizes from M3 to M20 and lengths ranging from 10 mm to 100 mm. They are suitable for high-temperature and aggressive chemical environments.
Corrosion-resistant and durable Stainless Steel 347H washers come in sizes ranging from M2 to M64. They are designed to distribute load evenly and prevent surface damage in high-temperature and corrosive environments.
We have incorporated comprehensive documentation with Stainless Steel 347H Fasteners like commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, NABL-approved lab test report etc. To ensure full satisfaction for customers, several test certificates with our Stainless Steel 347H Fasteners are also provided, including Material Test Certificate (MTC) as per the EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate.
Stainless Steel 347H Fasteners find extensive use in high-temperature and high-stress settings across various industries. In Kolkata, they are frequently utilized in power plants, heat exchangers, boilers, chemical processing facilities, and refinery equipment, thanks to their exceptional resistance to intergranular corrosion. These fasteners are perfect for connecting vital components in piping systems, pressure vessels, exhaust manifolds, and furnace parts where heat exposure is a constant factor. The aerospace, marine, and pharmaceutical sectors also depend on SS 347H Fasteners for their durability and ability to withstand challenging conditions.
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