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MUKAU FASTENERS, a top-notch manufacturer and supplier located in Kinshasa, Congo, specializes in high-quality Stainless Steel 347H Stud Bolts that are perfect for tough industrial settings with high temperatures and corrosive conditions. These stud bolts are celebrated for their remarkable strength, resistance to creep, and thermal stability. Crafted with cutting-edge techniques and premium raw materials, our Stainless Steel 347H Stud Bolts promise durability and precise fastening. MUKAU FASTENERS follows international quality standards, delivering dependable products for industries like petrochemical, power generation, aerospace, marine, and construction, where durability, resistance to oxidation, and mechanical integrity are vital for critical operations.
Stainless Steel 347H Stud Bolts are made from austenitic stainless steel and contain 17–19% chromium, 9–13% nickel, and 0.04–0.10% carbon, with niobium (columbium) for stabilization. This unique composition boosts their resistance to intergranular corrosion and oxidation at high temperatures. They boast a tensile strength of 550–750 MPa and a yield strength of around 240 MPa, along with excellent creep strength, making them perfect for long-term exposure to high heat. These stud bolts also maintain great weldability, mechanical stability, and corrosion resistance, even under pressure, heat, and harsh chemical conditions.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | – | 9.0 -13.0 | – |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 347H | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
|
Material |
Specification |
Standards |
Size
|
Length |
|
Stainless Steel 347 / 347H Studbolt
|
IS
BS
ASTM
|
ASTM A193 B8C |
3 mm
to
200 mm
|
M02 to M33
|
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 347H Stud Bolts find their place in various high-temperature and corrosive environments where mechanical stability is key. They’re ideal for use in boilers, pressure vessels, heat exchangers, exhaust manifolds, and chemical processing equipment. Thanks to their superior creep and oxidation resistance, they are well-suited for refineries, petrochemical plants, power generation systems, and marine applications. Additionally, these stud bolts are utilized in aerospace structures, food processing facilities, and thermal piping systems, ensuring they stand strong and durable under thermal stress.
Our stainless steel 347H stud bolts in Mukau Fasteners go through careful quality testing to ensure exceptional performance. Our rigorous testing includes hardness testing, chemical analysis using spectroanalysis, PMI testing for inspection. Quality of materials, tensile strength analysis, micro-macrostructural analysis, and testing for high thermal resistance. And to ensure stability, each bolt lasts longer in extreme conditions, Meeting stringent industry standards for corrosion resistance and reliability, we carefully pack each stud bolt to ensure safe transport and come in condition optimized for immediate use in your critical applications to provide peace of mind and reliable performance.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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