At Mitchell Stainless in Hamilton, New Zealand, we supply stainless steel fasteners engineered for demanding, high-temperature environments. Our Stainless Steel 348 Bolts are a specialised option designed for applications where strength, stability, and resistance to intergranular corrosion are essential. Commonly used in aerospace, petrochemical, and industrial processing sectors, these bolts are backed by Mitchell Stainless’ commitment to quality and local support. We work closely with our customers to ensure they receive reliable fastening solutions that perform consistently, even under prolonged heat and pressure.
Stainless Steel 348 Bolts are manufactured from a niobium-stabilised austenitic stainless steel alloy, similar to grade 347 but with controlled tantalum and cobalt content. This stabilisation prevents carbide precipitation during high-temperature exposure, improving resistance to intergranular corrosion. The alloy offers good tensile strength, excellent toughness, and reliable oxidation resistance. Stainless Steel 348 maintains mechanical stability at elevated temperatures, making it suitable for long-term service in demanding thermal environments.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 348 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 348 |
| 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 348 |
| 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 | – |
Contact us to get a quick quote for your requirement.
Stainless Steel 348 bolts are high-temperature, corrosion-resistant fasteners designed for extreme environments. They offer excellent durability and strength, making them suitable for aerospace, petrochemical, and industrial applications.
Custom Stainless Steel 348 Hex Bolt is a custom designed fastener with a square head, providing superior thermal properties and excellent corrosion resistance Ideal for special applications requiring strength and reliability in extreme conditions.
Stainless Steel 348 leg bolt is a high-temperature, corrosion-resistant fastener with a threaded shaft and flat, leg-like design. It ensures strong, durable connections in extreme heat and harsh industrial settings.
Stainless steel 348 expansion anchor bolts are designed to anchor objects in concrete or masonry. It provides superior heat resistance and excellent corrosion protection, and extends the range of durable, durable wear for installation.
Stainless Steel 348 hex flange head bolt features a hexagonal head with an integrated flange, ensuring secure fastening and load distribution. It provides high-temperature resistance and excellent durability in harsh environments.
Stainless Steel 348 full threaded bolts have a completely threaded shaft, providing consistent engagement and grip. They offer high-temperature resistance and exceptional corrosion protection, suitable for demanding industrial and aerospace applications.
Each Stainless Steel 348 Bolt is carefully packed using high-quality materials to prevent rust and damage during shipping. We make sure timely delivery through efficient transportation. Aiming to exceed client expectations. Additionally, all relevant product documentation is provided to clients at the time of delivery, ensuring transparency and full compliance with industry standards.
Stainless Steel 348 Bolts are widely used in high-temperature and high-integrity applications. Typical uses include aerospace components, jet engine parts, heat exchangers, pressure vessels, and petrochemical processing equipment. They are also suited to power generation and thermal processing systems where long-term exposure to heat is expected. At Mitchell Stainless, we supply 348 bolts for specialised engineering projects where reliability is critical. Their excellent resistance to heat-related corrosion makes them a trusted fastening solution in advanced industrial applications.
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