Monib Stainless Kuwait based in Safat is one of the top suppliers and manufacturers of quality stainless steel products offering solutions in a wide range of industries. Our Stainless Steel 321H Bolts are manufactured using premium 321H-grade stock. Which makes for excellent resistance against corrosion and oxidation at higher temperatures. This grade specifically designed with a higher carbon content. Enhances its strength and durability making it suitable for applications in heat exchangers, petrochemical and power plants. We provide our customers products that meet industry standards as a reflection of our commitment to quality.
Stainless steel 321H bolts provide excellent oxidation and corrosion resistance at high temperatures, up to 1500°F (815°C). They are designed for increased strength and stability, especially in tropical cycling conditions. The addition of titanium prevents carbide precipitation, and improves intergranular corrosion resistance. These bolts retain mechanical properties and are durable in harsh environments, making them ideal for space, chemical applications, and high temperature applications Their reliability ensures long-term performance and excellent performance under harsh conditions.
Material | Specification | Standards | Size | Length |
Stainless Steel 321H Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 321H |
| 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 321H |
| 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 321H bolts are high-performance fasteners designed for high-temperature environments, offering exceptional resistance to oxidation and corrosion. Ideal for aerospace, chemical processing, and industrial applications requiring durability and reliability.
Custom Stainless Steel 321H Hex Bolt is a custom designed fastener with a hexagonal head, designed for high temperature applications. It provides excellent corrosion resistance and strength, ideal for industrial, aerodynamic and aerospace applications.
Stainless Steel 321H leg bolt features a unique leg design for enhanced stability and support. It offers superior high-temperature and corrosion resistance, making it ideal for demanding industrial and aerospace applications.
Stainless Steel 321H expansion anchor bolt is designed for anchoring in concrete or masonry, providing exceptional high-temperature and corrosion resistance. It expands upon installation for secure, reliable holding in harsh environments.
Stainless Steel 321H Hex Flange Head Bolt connects the hexagonal head with an integrated flange, providing superior thermal corrosion resistance. Ideal for safe clamping in industrial and aerospace applications.
Stainless Steel 321H full threaded bolts feature continuous threading and excellent resistance to high temperatures and corrosion. They are ideal for securing components in demanding industrial, aerospace, and chemical processing environments.
We perform several tough tests to guarantee the reliability and performance of our products. Our Stainless Steel 321H Bolts are checked stringently for quality, and we also offer third-party inspection for added assurance. Our logistics are efficient enough to ensure that our delivery is prompt and on time to meet the demands of our clients without delay.
Stainless Steel 321H bolts are widely used in high-temperature applications such as aerospace components, exhaust systems and heat exchangers. Their excellent oxidation and corrosion resistance make them suitable for chemical processing, petrochemical industries and power generation. They are also employed in construction and manufacturing where elevated temperatures and corrosive environments are prevalent. Their ability to withstand thermal cycling and harsh conditions ensures reliable performance in critical applications requiring high strength and durability.
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