Emilio Stainless stands out as a top-notch manufacturer and supplier of Stainless Steel 347H Bolts, proudly based in Manila, Philippines. Renowned for their commitment to quality, the company specializes in producing heat-resistant fasteners that are perfect for tough industrial applications. Emilio Stainless caters to a diverse array of industries, including power generation, petrochemical, oil and gas, and chemical processing. Thanks to their cutting-edge manufacturing techniques, precise engineering, and a strong dedication to customer satisfaction, Emilio Stainless has built a solid reputation as a reliable source for Stainless Steel 347H Bolts across the Philippines and beyond.
The Stainless Steel 347H Bolts crafted by Emilio Stainless are made from high-carbon austenitic stainless steel that’s stabilized with niobium (columbium). This alloy features around 17–19% chromium and 9–13% nickel, which significantly boosts its resistance to intergranular corrosion and enhances its strength at high temperatures. These bolts boast impressive mechanical properties, including a tensile strength of about 515 MPa and a yield strength of roughly 205 MPa. Their remarkable ability to withstand oxidation, creep, and thermal fatigue makes them the go-to choice for high-pressure, high-temperature fastening needs.
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.
Emilio Stainless produces Stainless Steel 347H Bolts for critical applications where reliability in extreme heat and corrosive environments is a must. These bolts find their place in pressure vessels, heat exchangers, flanged joints, boilers, and piping systems within power plants, refineries, and chemical facilities. Their outstanding resistance to thermal cycling and stress-related corrosion guarantees long-lasting durability, even in the toughest conditions. Emilio Stainless ensures that every bolt adheres to international standards, providing trustworthy fastening solutions that enhance the safety and efficiency of industrial operations.
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