If you’re on the hunt for top-notch **Stainless Steel 347H fasteners**, look no further than Adam Stainless, based right in Canberra, Australia. These fasteners are designed to deliver outstanding strength, heat resistance, and corrosion durability, making them perfect for even the toughest industrial settings. Crafted with precision to meet international standards, they ensure accurate threading, consistent dimensions, and top-tier mechanical performance. With Stainless Steel 347H fasteners, you can count on reliable, long-lasting fastening solutions that thrive in extreme temperatures and harsh, corrosive environments.
What sets these fasteners apart is their composition: an austenitic stainless steel alloy that includes about 17–19% chromium, 9–13% nickel, and is stabilized with niobium (columbium) to prevent carbide precipitation. The higher carbon content boosts creep strength and mechanical stability when exposed to high temperatures for extended periods, while niobium provides excellent resistance to intergranular corrosion. Typically, these fasteners boast a tensile strength ranging from 515–620 MPa and a yield strength close to 205 MPa, along with oxidation resistance that can withstand temperatures up to 925°C.
|
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.
Stainless Steel 347H fasteners are widely utilized across various sectors, including **power generation, petrochemical, aerospace, chemical processing, and heat treatment industries**. They are particularly well-suited for **boilers, heat exchangers, pressure vessels, and high-temperature piping systems**. With Adam Stainless’s Stainless Steel 347H fasteners, you can expect secure, corrosion-resistant joints that maintain their integrity even under thermal cycling and in challenging environments, ensuring safety, durability, and minimal maintenance for critical applications.
SS 347H Fasteners are designed specifically for high-temperature applications because they have good oxidation properties and corrosion resistance under high temperatures. Widely used in the chemical processing, petrochemical and power generation industries. These fasteners are designed for use outdoors and inside environments where heat and aggressive chemicals are used, such as furnace parts, heat exchangers, and reactors, in addition to extreme heat. Their high carbon content improves their strength and stability, making them particularly good candidates for applications with respect to stress corrosion cracking and good weldability at elevated temperatures.
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