Niazi Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 347 Fasteners based in Manama, Bahrain. They specialize in providing high-quality fastening solutions tailored for a variety of industrial applications. With a strong focus on precision engineering and rigorous quality control, Niazi Stainless delivers fasteners that not only meet global standards but also excel in high-temperature and corrosive environments. The Stainless Steel 347, which is stabilized with niobium, boasts remarkable resistance to intergranular corrosion, making these fasteners perfect for tough conditions. Thanks to their advanced manufacturing capabilities and a commitment to customer satisfaction, Niazi Stainless guarantees durable, reliable, and high-performance fasteners for critical sectors like chemical, petrochemical, and power generation.
Stainless Steel 347 Fasteners are a type of stabilized austenitic alloy, featuring 17–19% chromium, 9–13% nickel, along with niobium and tantalum additions that enhance their resistance to intergranular corrosion. Their austenitic structure provides excellent ductility, toughness, and weldability. On the mechanical side, they offer high tensile and yield strength, good creep resistance, and dependable performance even at elevated temperatures. The niobium stabilization helps prevent carbide precipitation, ensuring the fasteners maintain their structural integrity during welding and thermal cycling. These characteristics make Stainless Steel 347 Fasteners ideal for continuous use in environments that involve heat, stress, and corrosive media.
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347 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 | |
| 347 | min. max | 2.00 | – | 0.045 | – 0.08 | 0.030 | 17.0 19.0 | – | 0.75 | 9.0 13.0 | Nb=10(C+N) 1.0 |
| 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 | ||||
| 347 | 515 | 205 | 40 | 92 | 201 |
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Highly corrosion-resistant, Stainless Steel 347 Nuts are designed to withstand high temperatures and corrosive environments. They are available in various sizes, typically from M4 to M36, and standard dimensions such as 6mm to 30mm in thickness.
Offering excellent resistance to oxidation and corrosion, Stainless Steel 347 Stud Bolts come in sizes ranging from M6 to M36, with lengths varying from 25mm to 300mm. They are ideal for high-temperature and chemical-resistant applications.
Corrosion-resistant and durable, Stainless Steel 347 Bolts are used in extreme environments. They are available in sizes from M6 to M36 and standard lengths from 16mm to 100mm, suitable for high-stress applications and high-temperature conditions.
Known for their high corrosion resistance and stability under heat, Stainless Steel 347 threaded rods are available in diameters from M6 to M36 and lengths ranging from 100mm to 3000mm. They are used in heavy-duty and high-temperature settings.
Featuring excellent resistance to oxidation and corrosion, Stainless Steel 347 screws come in sizes from M3 to M20, with lengths from 10mm to 150mm. They are suited for high-temperature and corrosive environments.
With superior corrosion and high-temperature resistance, Stainless Steel 347 washers are available in diameters ranging from M4 to M36. Thickness varies from 0.5mm to 5mm, making them suitable for various applications where durability is critical.
We always focuse on customer experience by way of our quality Stainless Steel 347 Fasteners. Every consignment comes attached with commercial invoices, packing lists, heat treatment charts, plans for quality assurance, and the NABL-approved lab test reports to establish genuineness and quality with client satisfaction.
These fasteners are widely utilized in industries that demand exceptional heat resistance and corrosion protection. They play a crucial role in chemical processing equipment, petrochemical plants, heat exchangers, boilers, and refinery systems. Their stability at high temperatures makes them suitable for furnace parts, exhaust systems, aerospace components, and high-pressure pipelines. Additionally, they excel in welded structures where avoiding carbide precipitation is essential. From power generation facilities to food processing and pharmaceutical machinery, Stainless Steel 347 Fasteners are indispensable in ensuring safety and efficiency across various applications.
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