Nakamura Stainless, located in Pulau Ujong, Singapore, is a reliable manufacturer and supplier of top-quality stainless steel products, including stainless steel 310H bolts. These bolts are made for high-temperature and high-pressure applications where strength and thermal stability are crucial. Stainless steel 310H is a high-carbon version of 310, offering better creep resistance and mechanical performance at high temperatures. Nakamura Stainless guarantees precise machining and thorough quality checks, making 310H bolts a trustworthy choice for essential applications in power plants, petrochemical facilities, and furnace systems.
Stainless steel 310H bolts contain 24-26% chromium, 19-22% nickel, and a higher carbon content than standard 310 to boost high-temperature strength and creep resistance. These bolts usually provide tensile strength between 520 and 750 megapascals and maintain their integrity at temperatures up to 1100°C. The high chromium and nickel content gives them excellent resistance to oxidation, thermal fatigue, and corrosion in harsh environments.
Material | Specification | Standards | Size | Length |
Stainless Steel 310H Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 310H |
| 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 | – |
| Element | SS 310H |
| 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 |
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Stainless Steel 310H bolts are high-performance Fasteners designed for extreme heat environments, offering superior oxidation and corrosion resistance. Ideal for high-temperature applications in industries like petrochemical and aerospace.
Custom Stainless Steel 310H Hex Bolt is a custom-made fastener with a square head, providing excellent thermal resistance for high-temperature industrial and aerospace applications
Stainless Steel 310H leg bolt features a unique leg design for high-temperature applications. It offers excellent heat and corrosion resistance, making it suitable for securing components in extreme industrial environments.
Stainless Steel 310H expansion anchor bolt is a high-temperature resistant fastener designed for anchoring in concrete or masonry. It expands upon installation, ensuring secure and reliable holding in harsh environments
Stainless Steel 310H Hex Flange Head Bolt features a hexagonal head with an integrated flange, providing high heat resistance and excellent corrosion resistance, ideal for secure clamping in demanding industrial applications
Stainless Steel 310H full threaded bolts are high-temperature resistant fasteners with threads running the entire length. They offer superior corrosion and oxidation resistance, ideal for extreme industrial and aerospace applications.
In addition, the bundled MTC, which conforms to the EN 10204/3.1b specification, is offered to our stainless-steel 310H bolts, along with PMI test certificate, radiography test report of 100%, and a third-party inspection certificate. Thus, high quality and reliability are guaranteed in our products, which should give you confidence and satisfaction in buying our products.
Stainless steel 310H bolts are commonly used in industries that experience high heat and mechanical stress. Frequent applications include boiler assemblies, heat exchangers, reformer units, furnace fastenings, and high-temperature exhaust systems. Their ability to endure thermal cycling, scaling, and long exposure to high temperatures makes them a dependable fastening choice for heavy-duty industrial work. These bolts ensure secure connections and long-lasting performance in some of the toughest service conditions.







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