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Kyaw Stainless is a reputable manufacturer and supplier located in Naypyidaw, Myanmar, known for crafting top-notch Stainless Steel 321/321H Stud Bolts. With a strong emphasis on innovation, precision engineering, and durability, this company delivers products that adhere to international quality standards. These stud bolts are perfect for high-temperature and corrosive settings, guaranteeing outstanding performance and reliability. Kyaw Stainless caters to a variety of industries, including petrochemical, power generation, and construction, providing tailored solutions to meet unique project needs while ensuring exceptional strength, longevity, and resistance to oxidation and scaling at elevated temperatures.
Stainless Steel 321/321H Stud Bolts are titanium-stabilized austenitic stainless steels primarily made up of chromium (17–19%), nickel (9–12%), and titanium, which enhances their resistance to intergranular corrosion. The 321H variant features a higher carbon content, boosting its strength at high temperatures. These stud bolts showcase impressive mechanical properties, with a tensile strength of about 515 MPa, yield strength of 205 MPa, and an elongation of 40%. They also exhibit remarkable creep and stress rupture resistance, ensuring durability in high-pressure and thermal conditions where standard stainless steels might falter.
| Grade | Stainless Steel 321 / 321h |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Element | Ni | C | Mn | P | S | Si | Cr |
| SS 321 / 321h | 9.00 – 12.00 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 321 / 321h | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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High-strength, corrosion-resistant fasteners made from titanium-stabilized stainless steel, ideal for high-temperature and pressure-intensive industrial applications.
High-strength, heat-resistant fasteners with enhanced carbon content, providing excellent durability, oxidation resistance, and reliability in high-temperature industrial applications.
High-temperature, corrosion-resistant fasteners with enhanced carbon content, ensuring superior strength, durability, and oxidation resistance in exhaust and heat-intensive applications.
Stainless Steel 321/321H Stud Bolts find extensive use in applications that demand heat and corrosion resistance. They’re commonly utilized in chemical processing, refinery equipment, exhaust manifolds, boiler components, heat exchangers, and aerospace structures. Their ability to endure high temperatures without compromising structural integrity makes them ideal for environments that experience repeated heating and cooling cycles. Furthermore, they are favored in marine and power generation sectors due to their excellent oxidation resistance and long-lasting reliability. These attributes make them a go-to choice for challenging industrial and engineering applications around the globe.
Stainless Steel 321 / 321H Stud Bolts come with essential test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and compliance certificates like EN 10204 3.1/3.2, ensuring quality and authenticity. These stud bolts are securely packaged in wooden crates, cartons, or bubble-wrapped bundles to prevent damage during transit. Proper labeling with specifications and batch details ensures traceability. Delivery is prompt and reliable, catering to global demands through air, sea, or road transport, ensuring safe and efficient shipment to industries requiring high-quality fastening solutions.
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