Adam Stainless is a well-respected manufacturer and supplier of Stainless Steel 321 Bolts, based in Canberra, Australia. They pride themselves on delivering top-notch fasteners that are designed to perform reliably in both corrosive and high-temperature settings. With a reputation for precision engineering and rigorous quality control, Adam Stainless produces SS 321 bolts that adhere to international standards, making them perfect for critical applications in industrial, marine, and thermal processing systems. Their commitment to durability, customer satisfaction, and prompt delivery has solidified their status as a trusted supplier of stainless steel fasteners across various industrial sectors in Australia.
The Stainless Steel 321 Bolts from Adam Stainless are crafted from a titanium-stabilized austenitic stainless steel alloy, which includes 17–19% chromium and 9–12% nickel. The titanium addition helps prevent carbide precipitation during welding, ensuring excellent resistance to intergranular corrosion. These bolts boast a tensile strength of about 515 MPa and a yield strength of roughly 205 MPa, while remaining stable at temperatures reaching up to 870°C. Manufactured in accordance with ASTM and DIN standards, SS 321 bolts from Adam Stainless come in a variety of sizes, thread types, and finishes to cater to specific engineering and construction needs.
Material | Specification | Standards | Size | Length |
Stainless Steel 321 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 321 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 321 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
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Stainless Steel 321 bolts are high-performance fasteners known for their excellent oxidation and corrosion resistance at elevated temperatures. Ideal for aerospace, chemical processing, and industrial applications, they ensure durability and reliability.
Custom Stainless Steel 321 Hex Bolt is a conformable fastener with a hexagonal head, providing excellent resistance to temperature rise and corrosion, ideal for precision applications in aerospace and industrial applications
Stainless Steel 321 leg bolt features a unique leg design for enhanced stability, providing excellent high-temperature and corrosion resistance. It is ideal for securing components in demanding industrial and aerospace environments.
Stainless Steel 321 expansion anchor bolt is designed for anchoring in concrete or masonry, offering superior high-temperature and corrosion resistance. It expands upon installation, ensuring secure and reliable fastening in harsh conditions.
Stainless Steel 321 hex flange head bolt features a hexagonal head with an integrated flange, providing high-temperature and corrosion resistance. Ideal for secure clamping in industrial and aerospace applications.
Stainless Steel 321 full threaded bolts are high-temperature resistant fasteners with continuous threading. They offer excellent corrosion and oxidation resistance, making them suitable for demanding industrial and aerospace applications.
All the required documentation, which are commercial invoice, packaging list, heat treatment chart, and quality assurance plan are given with Our Stainless Steel 321 Bolts. Furthermore, NABL-approved lab test reports, MTC, PMI Test Certificates, radiography test reports, and Third-Party Inspection Certificates also accompany to guarantee international standards for quality and satisfaction of our valued customers.
You’ll find SS 321 Bolts commonly used in heat exchangers, chemical processing equipment, exhaust systems, furnace components, and pressure vessels. Their resistance to oxidation and thermal fatigue makes them a dependable choice for high-temperature applications in Canberra’s industrial and infrastructure sectors. These bolts are not only easy to weld and machine but also promise long-lasting performance, even in challenging environments. Whether for new installations or maintenance projects, Stainless Steel 321 Bolts from Adam Stainless are designed to deliver reliability you can count on.
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