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At Brian Fasteners, We are the Leading Manufacturer and Supplier of Stainless Steel 321/321H Stud Bolts in Houston , USA. Our stud bolts are designed to work in high-temperature environments, giving them exceptional resistance to corrosion and oxidation. Ideal for use in the aerospace, automotive, and medical industries, our stainless steel 321/321H stud bolts meet stringent quality standards for durability and reliability Trust us in precisely designed stud bolts that provide consistent, long-lasting performance in tough applications.
Located in Houston, USA, Brian Fasteners is a top producer and supplier of 321 / 321H stainless steel stud bolts, which are made to perform exceptionally well in oxidising and high-temperature conditions. Our 321/321H stud bolts are perfect for thermal cycling applications like exhaust systems, furnace components, and heat exchangers because they are designed with titanium stabilisation to withstand intergranular corrosion. These fasteners are made in accordance with international standards, guaranteeing long service life and structural integrity under heat stress. To meet the urgent needs of heavy industries, Brian Fasteners provides dependable, corrosion-resistant fastening solutions with precision machining, custom sizing, and on-time delivery.
| Grade | Stainless Steel 321 |
| 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 | 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 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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.
Stabilised austenitic stainless steels with 17–19% chromium, 9–12% nickel, and titanium for increased resistance to carbide precipitation are used in Stainless Steel 321 / 321H Stud Bolts. For increased high-temperature strength, the 321H variant has a higher carbon content (0.04–0.10%). Up to 900°C, neither grade loses its mechanical integrity. Tensile strength typically falls between 515 and 620 MPa, yield strength is around 205 MPa, and elongation is between 30 and 40%. These stud bolts are ideal for welding and high-heat applications in pressure-retaining equipment because of their exceptional resistance to oxidation and intergranular corrosion.
The 321 and 321H stainless steel stud bolts are perfect for applications involving high temperatures and thermal cycling. These fasteners are frequently found in equipment like heat exchangers, pressure vessels, combustion chambers, and piping systems exposed to constant heat in the aerospace, oil refinery, chemical processing, and power generation industries. After welding, the titanium in 321 prevents intergranular corrosion, and at higher temperatures, 321H provides better creep strength. Both grades are dependable options for bolted joints in furnaces, boilers, and high-temperature process lines because they are well-suited for settings that involve thermal fatigue and oxidation.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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