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MUKAU FASTENERS, a reliable manufacturer and supplier based in Kinshasa, Congo, specializes in top-notch Stainless Steel 304H Stud Bolts designed for high-temperature performance, corrosion resistance, and mechanical durability. Crafted from a high-chromium, nickel-rich austenitic stainless steel with a higher carbon content for added strength at elevated temperatures, these stud bolts ensure dependable fastening in tough industrial and structural settings. MUKAU FASTENERS is committed to precision manufacturing and adheres to international standards, providing 304H Stud Bolts that are perfect for pressure vessels, boilers, heat exchangers, petrochemical plants, and power generation equipment, where secure fastening and long-lasting reliability in harsh conditions are crucial.
Stainless Steel 304H Stud Bolts are made up of about 18–20% chromium, 8–10% nickel, and a higher carbon content (around 0.04–0.10%) compared to standard 304, enhancing their strength at high temperatures. They boast a tensile strength ranging from 520–750 MPa, along with high yield strength, excellent ductility, toughness, and resistance to oxidation in elevated temperatures. This alloy maintains its shape, resists scaling and thermal deformation, and delivers reliable mechanical performance in high-temperature, corrosive, and industrial environments. These characteristics make 304H Stud Bolts perfect for critical fastening tasks in extreme operating conditions.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| 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 | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
| Grade | Stainless Steel 304, 304H, 304L |
| Specifications | ASTM A193 / ASME SA193 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs |
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 304H Stud Bolts find extensive use in pressure vessels, boilers, heat exchangers, petrochemical and chemical plants, power generation, and high-temperature industrial machinery. They are perfect for securing flanges, piping systems, structural components, and essential machinery that face heat and corrosion, ensuring dependable load-bearing connections. The 304H grade offers exceptional high-temperature strength, corrosion resistance, and long-lasting durability. MUKAU FASTENERS’ products are designed to meet the demands of these challenging applications.
Our Stainless Steel 304H stud bolts are carefully installed to prevent damage during transport. We use sustainable timber or sturdy boxes that meet international standards. Each bolt is marked with our company logo, grade, size and lot number. We offer complete documentation, including EN 10204-3.1 and EN 10204-3.2 certificates, material certificates, NABL-approved laboratory test reports, and professional test certificates. In addition, we include 100% radiographic and third-party inspection reports to ensure strict quality control and adherence to industry standards.
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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