Ed Stainless, located in Houston, USA, stands out as a top-notch manufacturer and supplier of premium stainless steel products, with a particular focus on Stainless Steel 347H bolts. Renowned for their precision and durability, Ed Stainless provides bolts that adhere to strict industry standards. These bolts excel in resisting high temperatures and corrosion, making them ideal for tough environments. With a commitment to quality, prompt delivery, and competitive pricing, Ed Stainless has earned a reputation as a reliable source for fasteners that are crucial for various industries.
Stainless Steel 347H bolts are primarily made up of iron, along with 17-19% chromium, 9-13% nickel, and 0.04-0.10% carbon, plus niobium for added stability. This unique blend gives them impressive corrosion resistance and strength at high temperatures. On the mechanical side, these bolts boast a tensile strength of about 75,000 psi and a yield strength close to 30,000 psi, while also offering good ductility and toughness. The addition of niobium helps prevent carbide precipitation, which in turn avoids intergranular corrosion, making 347H bolts a dependable choice for high-temperature applications.
Material | Specification | Standards | Size | Length |
Stainless Steel 347H Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 347H |
| 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 347H |
| 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 347H Bolts are high strength, heat resistant fasteners designed for extreme temperatures and hot environments. They provide excellent oxidation properties and durability, ideal for aerospace and industrial applications.
Custom Stainless Steel 347H Hex Bolt is a high heat resistance fastener with a hexagonal head, tailored to specific dimensions. Provides exceptional durability and resistance to extreme heat applications.
Stainless Steel 347H Leg Bolt is a durable high heat resistant fastener with a long threaded shaft and flat head, engineered for durability and stability in extremely hot conditions in
Stainless Steel 347H Expansion Anchor Bolt is a heat-resistant fastener for concrete or masonry. It expands in the hole as it tightens, providing a firm grip.
Stainless Steel 347H Hex Flange Head Bolt features a hexagonal head with an integrated flange for improved weight distribution. Provides superior thermal resistance and durability to extreme temperatures and environmental corrosion.
Stainless steel 347H fully threaded bolts have threads running the full length, for permanent clamping ability and superior heat resistance. They are ideal for demanding applications that require durability and heat resistance.
we prioritize quality and reliability by conducting rigorous in-house testing on all our products to ensure they meet the highest standards. Our comprehensive testing procedures include material and performance evaluations, ensuring optimal durability and performance. Additionally we offer third-party inspection services to provide further assurance to our customers. With a commitment to prompt delivery. We ensure that all orders are processed efficiently and shipped on time, meeting the needs of our clients without compromise.
You’ll find Stainless Steel 347H bolts in a variety of sectors, including aerospace, power generation, petrochemical, and boiler industries, where high temperature and corrosion resistance are critical. They’re perfect for securing components in heat exchangers, pressure vessels, and nuclear reactors, thanks to their ability to resist stress corrosion cracking and oxidation. These bolts are also utilized in the automotive and marine industries, where durability in extreme conditions is a must. Ed Stainless ensures that these bolts are available to promote safety and longevity in essential mechanical and structural applications.
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