Nakamura Stainless is a reputable manufacturer and supplier located in Pulau Ujong, Singapore, known for its top-notch stainless steel products. Among their wide array of offerings, the Stainless Steel 347 Bolts really shine due to their remarkable strength, resistance to corrosion, and reliability in tough conditions. These bolts are meticulously crafted to meet international standards, guaranteeing durability and performance across a variety of industries. Nakamura Stainless is dedicated to delivering exceptional products, supported by their technical know-how and customer service. With a strong emphasis on innovation and quality, the company caters to a diverse range of clients, providing customized solutions for industrial, marine, chemical, and high-temperature applications.
The Stainless Steel 347 Bolts are mainly made up of iron, featuring 17–19% chromium, 9–13% nickel, and 1–2% niobium (columbium), which boosts their resistance to intergranular corrosion. This alloy also includes trace amounts of carbon, manganese, and silicon to enhance strength and ease of fabrication. These bolts boast impressive mechanical properties, with a tensile strength ranging from about 515–620 MPa and a yield strength of roughly 205–275 MPa. They maintain their structural integrity even at high temperatures, typically up to 925°C, and provide excellent toughness, weldability, and resistance to stress corrosion cracking in harsh environments.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 347 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 347 |
| 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 347 |
| 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 347 bolts are high-temperature resistant fasteners with excellent corrosion resistance, especially against acids. They offer durability and strength in extreme environments, ideal for aerospace and industrial applications.
Custom Stainless Steel 347 Hex Bolt is a custom-made fastener with a square head, which provides excellent high-temperature corrosion resistance and is ideal for specialty applications requiring durability and durability in the case of in the strong.
Stainless Steel 347 leg bolt is a high-temperature resistant fastener with a threaded shaft and flat, leg-like design. It provides strong, reliable connections in harsh industrial and high-heat environments.
Stainless Steel 347 Expansion Anchor Bolt is designed to securely anchor objects into concrete or masonry. It offers high-temperature resistance and excellent corrosion protection, expanding upon installation for a strong hold.
Stainless Steel 347 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 corrosion protection.
Stainless Steel 347 full threaded bolts have a completely threaded shaft, offering consistent grip and engagement. They are designed for high-temperature applications, providing excellent strength and corrosion resistance in extreme environments.
We ensure the top quality of SS 347 Bolts by following a strict in-house testing and quality control process. We carry out an exhaustive range of tests such as tensile tests, hardness tests, and corrosion resistance tests, etc. Our promise of excellence also includes prompt delivery so that our customers get dependable products at the time of delivery, every time.
Stainless Steel 347 Bolts are commonly utilized in situations where corrosion resistance and high-temperature strength are essential. They find their place in various industries, including chemical processing, power generation, aerospace, and marine engineering. These bolts are perfect for heat exchangers, boilers, pressure vessels, and flanged connections, particularly in settings exposed to acidic or oxidizing conditions. Their stability at elevated temperatures makes them ideal for exhaust systems and furnace components. Moreover, these bolts are favored in petrochemical plants and offshore structures, where both mechanical reliability and resistance to thermal fatigue are crucial.







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