Kyaw Stainless is a well-known manufacturer and supplier located in Naypyidaw, Myanmar, with a focus on producing top-notch Stainless Steel 347H Bolts. These bolts are made using cutting-edge technology and high-quality raw materials, ensuring they stand up to tough conditions with outstanding durability and performance. Renowned for their impressive resistance to oxidation and corrosion, Stainless Steel 347H Bolts are perfect for high-temperature and high-pressure applications. Kyaw Stainless is committed to upholding international standards, delivering precision-engineered products that serve a variety of industrial sectors, including petrochemical, power generation, and construction, both in Myanmar and beyond.
The composition of Stainless Steel 347H Bolts primarily includes chromium, nickel, and columbium (niobium), with a touch of carbon to boost their strength at high temperatures. This blend offers remarkable resistance to intergranular corrosion and oxidation, even at temperatures reaching 1500°F (816°C). Mechanically, these bolts showcase impressive tensile and yield strength, along with excellent creep resistance when exposed to elevated temperatures. Their well-balanced chemical structure guarantees long-lasting performance and structural integrity in tough environments, making them a dependable fastening solution for various heat-intensive and corrosive 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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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.
High heat resistance fastener with a hexagonal head, tailored to specific dimensions. Provides exceptional durability and resistance to extreme heat applications.
Durable high heat resistant fastener with a long threaded shaft and flat head, engineered for durability and stability in extremely hot conditions in
Heat-resistant fastener for concrete or masonry. It expands in the hole as it tightens, providing a firm grip.
Hexagonal head with an integrated flange for improved weight distribution. Provides superior thermal resistance and durability to extreme temperatures and environmental corrosion.
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.
Stainless Steel 347H Bolts find extensive application in petrochemical facilities, refineries, heat exchangers, and aerospace industries because of their superior resistance to oxidation, stress corrosion cracking, and creep deformation. They are suitable for boiler casings, exhaust manifolds, furnace parts, and high-temperature processing equipment. The bolts provide durability, strength, and corrosion resistance, which makes them a popular choice in industries where high temperatures and aggressive environments are a factor.
Stainless Steel 347H Bolts find their place in industries that require strength and resilience at high temperatures. You’ll often see them in heat exchangers, pressure vessels, boilers, chemical processing equipment, and exhaust manifolds. They’re also widely used in the power generation and petroleum refining sectors, thanks to their ability to endure prolonged exposure to intense heat and corrosive gases. Additionally, these bolts are suitable for applications in food processing, aerospace, and marine environments, where exceptional corrosion resistance and mechanical stability are crucial for safe and reliable operation.
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