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Lecong Stainless is a trusted manufacturer and supplier based in Da Nang, Vietnam, focusing on high-quality Stainless Steel 347H Stud Bolts designed for tough, high-temperature, and corrosive environments. These stud bolts are well-known for their exceptional strength, resistance to creep, and long-lasting durability even under intense heat. With a higher carbon content than grade 347, Stainless Steel 347H Stud Bolts offer improved mechanical stability, making them perfect for critical industrial uses. Lecong Stainless guarantees that every product meets international standards, providing clients with reliable fastening solutions that consistently perform in challenging conditions throughout Vietnam and beyond.
These Stainless Steel 347H Stud Bolts are made up of 17–19% chromium, 9–13% nickel, and niobium stabilizers, with added carbon to boost creep strength at high temperatures. Carefully controlled levels of manganese, silicon, and carbon enhance their durability and ease of use. They boast a tensile strength of around 515 MPa, a yield strength close to 205 MPa, and an elongation of 40%. They also excel in resisting oxidation and intergranular corrosion up to 1500°F (816°C), ensuring they remain stable during thermal cycling. Their strong composition and mechanical properties make them a dependable choice for long-term performance in demanding conditions.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 347 / 347H Studbolt |
IS BS ASTM |
ASTM A193 B8C |
3 mm to 200 mm |
M02 to M33 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | – | 9.0 -13.0 | – |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 347H | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 347H Stud Bolts are engineered for high-temperature and corrosive environments, providing exceptional strength and durability. Their resistance to oxidation and thermal stability make them ideal for critical applications.
Stainless Steel UNS S34709 Stud Bolts deliver superior strength and corrosion resistance in extreme environments. Designed for high-temperature applications, they offer exceptional durability and performance under demanding conditions
Stainless Steel 347H Flush Head Stud Bolts combine high strength and corrosion resistance with a flush head design. Ideal for high-temperature applications, they provide a sleek, reliable fastening solution.
Lecong Stainless ensures that the materials are of the highest quality, rigorously tested in terms of hardness, PMI, micro and macro testing, pitting resistance, and with regard to the above standards. We offer complete documentation, such as commercial invoices, packaging lists, and Certificate of Origin with a Third-Party Inspection Certificate, that promises transparency and 100% client satisfaction in our prices for Stainless Steel 347H Stud Bolts.
Stainless Steel 347H Stud Bolts find extensive applications in industries like petrochemical, oil and gas, chemical processing, and power generation. They are ideal for securing components in boilers, superheaters, pressure vessels, heat exchangers, and refinery systems. In aerospace and marine settings, they offer durability and resistance to scaling and corrosive environments. These stud bolts are also used in exhaust manifolds, furnace parts, and high-temperature piping systems where strength and thermal resistance are essential. With their outstanding mechanical stability and reliability, Stainless Steel 347H Stud Bolts are a top choice for challenging applications.
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