FAISAL Steel is a well-respected manufacturer and supplier located in Muscat, Oman, known for providing top-notch Stainless Steel 321 Bolts designed for high-performance industrial applications. The company skillfully blends cutting-edge manufacturing techniques with strict quality standards to produce bolts that offer outstanding strength, durability, and resistance to corrosion, even in tough environments. FAISAL Steel’s Stainless Steel 321 Bolts comply with international specifications, guaranteeing dependable fastening solutions for high-temperature and chemically aggressive settings. With a commitment to timely delivery, technical know-how, and a customer-first approach, FAISAL Steel serves various industries across Oman and the Gulf region with robust, efficient, and long-lasting fastening products.
Stainless Steel 321 Bolts are primarily made up of chromium (17–19%), nickel (9–12%), and a touch of titanium (around 0.5%) to prevent carbide precipitation and boost high-temperature stability. This unique blend offers remarkable resistance to corrosion and oxidation, along with impressive mechanical strength. In terms of mechanics, SS 321 bolts showcase high tensile and yield strength, excellent creep resistance, and the ability to maintain their structural integrity under thermal stress. These characteristics make them perfect for applications that demand reliable, long-term fastening in harsh and elevated temperature conditions.
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.
Stainless Steel 321 Bolts are commonly utilized in industries that require both high-temperature resistance and mechanical reliability. They are found in furnace components, heat exchangers, boilers, chemical processing equipment, petrochemical plants, and automotive exhaust systems. Their ability to resist oxidation, corrosion, and thermal cycling ensures that critical components remain securely fastened, even in challenging conditions. Additionally, SS 321 Bolts are used in structural assemblies, heavy machinery, and industrial installations where long-lasting durability, safety, and performance are crucial for efficient and reliable operations.
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