Andre Stainless is a well-respected manufacturer and supplier located in Pulau Ujong, Singapore, known for its top-quality stainless steel fasteners, including the highly sought-after Stainless Steel 347H Bolts. With years of experience under their belt and a strong dedication to quality, Andre Stainless has earned a solid reputation for delivering corrosion-resistant, heat-tolerant, and durable fastening solutions across various industries. Their cutting-edge manufacturing facility, combined with a skilled workforce, allows them to meet international standards while providing customized solutions that cater to the specific needs of their clients. Whether serving local or international markets, Andre Stainless has become a trusted name for Stainless Steel 347H Bolts in Singapore and beyond.
The Stainless Steel 347H Bolts from Andre Stainless are made from a stabilized austenitic stainless steel alloy, primarily consisting of iron, 17–20% chromium, and 9–13% nickel, with the addition of columbium (niobium) for improved stability and a higher carbon content for enhanced strength at elevated temperatures. These bolts boast impressive mechanical properties, including a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of 35%. Their exceptional resistance to intergranular corrosion and creep strength makes them perfect for high-temperature applications in demanding industrial settings.
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.
Andre Stainless’s Stainless Steel 347H Bolts, produced in Pulau Ujong, Singapore, are widely utilized in high-temperature and high-pressure environments thanks to their remarkable mechanical strength and corrosion resistance. These bolts are particularly well-suited for applications in power generation, oil and gas refineries, chemical processing, heat exchangers, and nuclear plants. Their enhanced resistance to oxidation and intergranular corrosion makes them especially ideal for boiler tubes, exhaust manifolds, and furnace components. With a strong emphasis on reliability and performance, Andre Stainless ensures that their 347H bolts meet rigorous engineering standards, making them a preferred choice across multiple industries.
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