Kyaw Stainless is a well-respected manufacturer and supplier based in Naypyidaw, Myanmar, known for its extensive selection of Stainless Steel 321 Bolts that are crafted for both precision and durability. The company employs cutting-edge machining and threading techniques to create bolts that excel in high-stakes applications. Renowned for their remarkable strength and resistance to corrosion, Kyaw Stainless’s 321 bolts are specifically designed to ensure secure fastening in environments that experience heat, vibration, and pressure. With a commitment to strict quality control and prompt service, the company has established itself as a go-to choice for stainless steel fasteners in Myanmar’s industrial, construction, and energy sectors.
Stainless Steel 321 Bolts are made from an austenitic alloy that includes 17–19% chromium, 9–12% nickel, and titanium, which enhances their structural stability during welding and high-temperature applications. The addition of titanium helps prevent carbide precipitation, allowing the alloy to maintain its toughness and resistance to corrosion. These bolts boast a tensile strength of approximately 515 MPa and can withstand temperatures of up to 870°C. Their mechanical stability, along with good ductility and oxidation resistance, makes them perfect for challenging operational environments that demand both strength and reliability.
Material | Specification | Standards | Size | Length |
Stainless Steel 321 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 321 |
| 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 321 |
| 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-temperature, corrosion-resistant fasteners made from titanium-stabilized stainless steel, offering excellent strength, durability, and oxidation resistance for industrial and structural applications.
Precision-engineered, high-temperature fasteners offering excellent corrosion resistance, strength, and durability for industrial, aerospace, and high-heat applications.
High-strength, corrosion-resistant fasteners designed for structural and heavy-duty applications, offering excellent durability, oxidation resistance, and stability in high-temperature environments.
High-strength, corrosion-resistant fasteners designed for secure anchoring in concrete and masonry, offering excellent durability, oxidation resistance, and stability in high-temperature environments.
High-strength, corrosion-resistant fasteners with an integrated flange, providing excellent durability, oxidation resistance, and secure fastening in high-temperature applications.
High-strength, corrosion-resistant fasteners with complete threading, offering excellent durability, oxidation resistance, and secure fastening in high-temperature industrial applications.
Kyaw Stainless’s Stainless Steel 321 Bolts are perfect for situations that require trustworthy fastening under extreme conditions. They are frequently utilized in turbine housings, engine components, chemical reactors, pressure vessels, and exhaust assemblies, where heat and oxidation resistance are crucial. Their sturdy design guarantees tight and long-lasting connections, even when faced with dynamic loads and temperature changes. Additionally, these bolts are well-suited for marine and infrastructure projects due to their corrosion resistance and mechanical stability. With proven performance, Kyaw Stainless’s 321 bolts ensure durability and safety across a wide range of industrial operations in Myanmar.
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