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Yasin Fasteners of Istanbul, Turkey, is a reliable producer and supplier of stainless steel 321 and 321H stud bolts with a good ability to resist high temperatures and intergranular corrosion. The stud bolts are produced using titanium-stabilized austenitic stainless steel and can be used in welded applications and long exposure to high temperatures. Yasin Fasteners offers 321 and 321H stud bolts in a broad assortment of sizes and configurations to cater to various industries like petrochemical, power generation, aerospace, and thermal processing, all of which are produced to international standards.
Stainless steel 321 stud bolts have 17–19% chromium, 9–12% nickel, and titanium to avoid carbide precipitation on welding. 321H is the one with high carbon content in 321, which is for higher strength and creep resistance at raised temperatures. Both grades have superior oxidation resistance and support mechanical properties in continuous service up to 900°C (1650°F) and are ideal for severe high-temperature applications.
| 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.
321 and 321H stainless steel stud bolts are extensively employed in heat exchangers, exhaust systems, pressure vessels, refinery equipment, and other high-temperature process systems. They are a trusted option for fastening components that operate in cyclic heating and corrosive environments due to their resistance to scaling, stress corrosion cracking, and thermal fatigue. The stud bolts create secure, long-lasting connections in tough industrial environments.
At Yasin Fasteners, we ensure premium protection for our Stainless Steel 321/321H stud bolts through meticulous packaging. Each stud bolt undergoes a thorough inspection and is individually wrapped in protective material to prevent damage. They are then securely packed in sturdy, labeled boxes with detailed product specifications and quantities. Our packaging safeguards against environmental factors and physical impacts, ensuring that your high-performance stud bolts arrive in excellent condition, ready for immediate use.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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