Emilio Stainless is a reputable manufacturer and supplier located in Manila, Philippines, specializing in high-quality Stainless Steel 321 Bolts that are built to meet the rigorous demands of various industries. Renowned for their precision engineering and outstanding performance, these bolts are perfect for high-temperature and corrosive settings. Emilio Stainless guarantees that each bolt complies with international quality standards, providing exceptional strength, durability, and reliability. With a strong commitment to excellence, the company serves a diverse array of industries, delivering reliable fastening solutions that ensure long-lasting structural integrity and optimal performance, even in the toughest operating conditions.
Stainless Steel 321 Bolts are primarily made up of chromium and nickel, with titanium added to prevent carbide precipitation during welding. This alloy typically features 17–19% chromium, 9–12% nickel, along with trace amounts of titanium, carbon, and manganese. These bolts boast impressive mechanical properties, including high tensile strength, excellent creep resistance, and good ductility at elevated temperatures. They maintain structural stability within a temperature range of 427°C to 816°C, making them ideal for applications that require both heat resistance and corrosion protection.
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.
These Stainless Steel 321 Bolts find extensive use in industries where high-temperature performance and corrosion resistance are crucial. Common applications include aerospace components, exhaust manifolds, heat exchangers, pressure vessels, and furnace parts. They’re also utilized in petrochemical plants, refineries, and power generation systems, where they face constant exposure to heat and corrosive agents. Additionally, these bolts are perfect for chemical processing and marine environments due to their durability and resistance to oxidation, ensuring long-term reliability and safety in demanding operational conditions.
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