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MUKAU FASTENERS, a reputable manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch Stainless Steel 304H Fasteners designed for high-temperature applications and exceptional corrosion resistance. Crafted from austenitic stainless steel with a higher carbon content, these 304H Fasteners deliver outstanding mechanical strength, durability, and oxidation resistance even at elevated temperatures. MUKAU FASTENERS is committed to precision manufacturing and strict compliance with international quality standards, ensuring that their 304H Fasteners provide reliable and long-lasting performance. These fasteners find extensive use in power generation, chemical processing, petrochemical, and industrial machinery, where high-temperature stability, corrosion resistance, and structural integrity are crucial.
Stainless Steel 304H Fasteners are composed of about 18–20% chromium, 8–10.5% nickel, and 0.04–0.10% carbon, which boosts their high-temperature strength while preserving corrosion resistance. They showcase a tensile strength ranging from 515–620 MPa, along with high yield strength, excellent ductility, and toughness. The added carbon content enhances their mechanical performance at elevated temperatures, making them perfect for oxidizing and mildly corrosive environments. These fasteners maintain their shape, resist scaling, and offer long-term reliability under thermal cycling and mechanical stress, ensuring durable and secure fastening in demanding industrial settings.
| 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 304H |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners etc |
| Packing of Stainless-Steel Fasteners: | IN BULK: pallet, canton, carton / small boxes / pallet or customer request |
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 Fasteners are commonly utilized in boilers, heat exchangers, power plants, chemical and petrochemical processing equipment, and industrial machinery, thanks to their remarkable high-temperature strength and corrosion resistance. They are perfect for securing structural assemblies, piping systems, pressure vessels, and heat treatment equipment that are constantly exposed to heat and oxidative conditions. The 304H grade guarantees dependable mechanical performance, making these fasteners a go-to choice for various industrial applications.
Our commitment to quality is unwavering at Mukau Fasteners, as demonstrated by our rigorous testing procedures for all Stainless Steel 304H fasteners before shipment. These advanced tests include hardness, chemical analysis by Spectro analysis, positive material identification (PMI), levelling, micro-macro, pitting resistance, fire and intergranular corrosion (IGC) testing. Furthermore, we offer third-party inspection certifications, ensuring our fasteners are of the highest quality and reliable for demanding applications.
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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