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Akor Stainless stands out as a top manufacturer and supplier of Stainless Steel 321 / 321H Stud Bolts right here in Abuja, Nigeria. We pride ourselves on providing dependable fastening solutions that thrive in high-temperature and corrosive environments. Our stud bolts are crafted from premium-grade materials, ensuring they resist oxidation, thermal stress, and corrosion like champions. With our commitment to precision manufacturing and rigorous quality control, we guarantee products that boast long-lasting strength, precise dimensions, and consistent performance. At Akor Stainless, customer satisfaction is our priority, and we deliver quality products, timely supplies, and expert technical support to various industries, including petrochemical, power generation, construction, and mechanical engineering, both in Nigeria and around the globe.
Our Stainless Steel 321 / 321H Stud Bolts are primarily made of chromium and nickel, with titanium added to enhance stability against carbide precipitation. The 321H grade features a higher carbon content, boosting its high-temperature strength and creep resistance. These stud bolts are known for their impressive tensile strength, solid toughness, and reliable performance even in elevated temperatures. Their resistance to oxidation and structural stability make them perfect for continuous heat exposure and challenging industrial conditions, ensuring they remain durable and maintain fastening integrity.
| Grade | Stainless Steel 321 / 321h |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Element | Ni | C | Mn | P | S | Si | Cr |
| SS 321 / 321h | 9.00 – 12.00 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 321 / 321h | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Contact us to get a quick quote for your requirement.
These general-purpose stud bolts are known for excellent corrosion resistance and stability at high temperatures, suitable for diverse industrial applications.
Designed with a hexagonal head for easy installation, these bolts offer high strength and resistance to scaling and oxidation.
These fully threaded bolts provide uniform grip and strength, ideal for high-stress environments and precision applications.
Designed to anchor structures securely, these bolts resist corrosion and maintain durability in high-pressure and thermal conditions.
Engineered for exhaust systems, they provide excellent high-temperature resistance and withstand thermal cycling.
Used in heavy-duty wooden or masonry structures, these bolts combine corrosion resistance with exceptional durability.
Akor Stainless ensures stainless steel 321 / 321H stud bolt produced is quality-based and has appropriate testing under hardness, spectro analysis, PMI, flaring. Extended documentation is allowed in the invoice, details as related to packaging as well as its certificate of origin along with Third-party inspection certificate.
You’ll find Stainless Steel 321 / 321H Stud Bolts in industries where high-temperature resistance and corrosion stability are essential. They’re commonly used in heat exchangers, boiler systems, furnace components, and refinery processing units in petrochemical and power plants. In the aerospace and automotive fields, they play a crucial role in exhaust systems, manifolds, and engine components that face constant heat. Additionally, these stud bolts are vital in chemical processing equipment, pressure vessels, piping systems, and thermal processing machinery. Their ability to retain strength and structural integrity during thermal cycling makes them the go-to choice for applications that demand reliability.
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