Harshita Stainless, based in Delhi, India, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347 Bolts. These bolts are celebrated for their remarkable strength and resistance to corrosion, making them perfect for tough environments. Crafted with precision to adhere to strict industry standards, they promise durability and reliability across a variety of applications. Harshita Stainless provides an extensive selection of sizes and specifications, serving industries like aerospace, chemical processing, power generation, and automotive. Engineered to endure high temperatures and resist intergranular corrosion, Stainless Steel 347 Bolts deliver outstanding performance in both welded and high-stress situations.
Stainless Steel 347 is a niobium-stabilized austenitic stainless steel alloy that contains 17–20% chromium, 9–13% nickel, and a low carbon content of ≤0.08%, with niobium (columbium) added for stabilization. These bolts boast a tensile strength ranging from 515–620 MPa, yield strength of 205–275 MPa, elongation of 40–50%, and hardness between 80–90 HRB. The inclusion of niobium enhances their resistance to intergranular corrosion and boosts mechanical strength, particularly in welded applications and high-temperature settings.
|
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 | – |
Contact us to get a quick quote for your requirement.
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 high-temperature environments such as chemical plants, power generation facilities, aerospace, and petrochemical industries. Their exceptional resistance to oxidation, stress corrosion cracking, and intergranular attack makes them ideal for use in boilers, heat exchangers, exhaust systems, and pressure vessels. These bolts are also preferred in automotive and structural applications where durability under thermal cycling and corrosive conditions is crucial. Their unique blend of strength, weldability, and corrosion resistance ensures dependable fastening in critical, high-stress scenarios.
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