Weston Stainless, based in Midland, UK, is a trusted supplier of premium stainless steel products, catering to industries such as construction, marine, and manufacturing with precision-engineered materials. Stainless Steel 314 Bolts, made from austenitic stainless steel, offer excellent high-temperature oxidation resistance and superior durability. Composed of 23-26% chromium, 19-22% nickel, and 1.5-3% silicon, they perform well in extreme heat conditions. Available in various shapes such as hex bolts, U-bolts, eye bolts, and anchor bolts, they are ideal for furnace components, heat exchangers, petrochemical plants, and other high-temperature applications requiring strong, secure, and corrosion-resistant fastening solutions.
Stainless Steel 314 Bolts are composed of iron, 23-26% chromium, 19-22% nickel, and 1.5-3% silicon, which enhances their high-temperature oxidation resistance. They also contain small amounts of manganese, phosphorus, sulfur, and carbon, contributing to their strength and durability. Their mechanical properties include a tensile strength of approximately 600 MPa, yield strength of 310 MPa, and elongation of 40%, ensuring reliability in demanding conditions. Physically, they have a density of 7.9 g/cm³, a melting point of 1390-1425°C, and a thermal conductivity of 15 W/m·K, making them ideal for extreme heat and corrosive environments.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 314 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 314 |
| 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 314 |
| 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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High temperature resistant fasteners with excellent corrosion and oxidation resistance. They are ideal for high-temperature environments, providing durability and strength in complex industrial and chemical applications.
Custom Stainless Steel 314 Hex Bolt is a high heat resistant fastener with a square head, made to a specific size. Provides durability and corrosion resistance in extreme temperatures.
High-strength, heat-resistant fastener with a long, threaded shaft and flat head. It is designed for durability and stability in high-temperature and corrosive environments.
Thermal fastener for concrete or masonry. It expands in the hole as it tightens, providing a firm grip.
Hexagonal head with an integrated flange for improved weight distribution. Provides excellent heat resistance and durability in high temperatures and hot environments.
Threads running the entire length, providing consistent clamping force and excellent heat resistance. They are ideal for high-temperature applications requiring strength and durability.
Stainless Steel 314 Bolts are widely used in high-temperature and corrosive environments due to their exceptional oxidation resistance and mechanical strength. They are essential in furnace components, kilns, and heat exchangers, where they withstand extreme heat and thermal cycling. In the petrochemical and power industries, they secure equipment such as boilers, reactors, and piping systems. The aerospace and automotive industries use them in exhaust systems and engine components. Additionally, they are utilized in marine applications, refineries, and structural assemblies that require strong, heat-resistant, and corrosion-resistant fastening solutions for long-term reliability.
Stainless Steel 314 Bolts come with test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and compliance with ASTM, ASME, and EN standards, ensuring high quality and performance. They are securely packaged in wooden crates, cartons, or polybags with proper labeling to prevent damage during transit. With efficient logistics and timely delivery, these bolts are supplied worldwide, meeting the needs of high-temperature and corrosive industrial applications while ensuring product integrity.







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