Stainless Steel 321H Plates
ASC LLP is your trusted supplier of high-quality stainless steel products, including the versatile and durable 321H stainless steel plates. Designed to meet the demands of various industrial applications, Stainless Steel 321H plates offer exceptional properties and advantages that make them a preferred choice for engineers and fabricators worldwide. In this comprehensive guide, we will explore what 321H stainless steel plates are, their key properties, and the numerous advantages they offer.
What is 321H Stainless Steel Plates?
SS 321H plates are a high-carbon version of the 321 stainless steel grade. The addition of titanium stabilizes the structure against chromium carbide formation, making 321H a more robust option for high-temperature environments. The ‘H’ in 321H indicates the higher carbon content, which provides enhanced strength and better performance at elevated temperatures compared to its counterpart, 321 stainless steel.
Properties of 321H Stainless Steel Plates
The properties of 321H stainless steel plates make them suitable for a wide range of applications in various industries. Some of the key properties include:
- High Temperature Resistance: 321H stainless steel plates can withstand temperatures up to 1500°F (816°C). This high-temperature resistance makes them ideal for use in heat exchangers, boilers, and other high-temperature environments.
- Corrosion Resistance: The addition of titanium enhances the corrosion resistance of 321H stainless steel plates, especially in acidic and corrosive environments. This property is crucial for applications in chemical processing and marine industries.
- High Strength: The higher carbon content in 321H stainless steel plates provides greater tensile and yield strength compared to standard 321 stainless steel. This increased strength makes them suitable for demanding structural applications.
- Excellent Weldability: SS 321H plates offer excellent weldability without the risk of intergranular corrosion. This makes them ideal for fabricating complex structures and components.
- Stabilization: The titanium addition helps stabilize the material against chromium carbide formation during welding, enhancing its durability and longevity.
Advantages of 321H Stainless Steel Plates
Choosing 321H stainless steel plates for your projects offers numerous advantages, including:
- Durability: The high-strength properties and excellent resistance to corrosion and high temperatures ensure long-lasting performance, reducing the need for frequent replacements.
- Versatility: 321H SS plates can be used in a wide range of applications, from aerospace and automotive industries to chemical processing and power generation.
- Cost-Effectiveness: Although 321H SS plates may have a higher initial cost, their durability and reduced maintenance needs make them a cost-effective choice in the long run.
- Enhanced Performance in High-Temperature Environments: The ability to maintain strength and resist oxidation at high temperatures makes 321H stainless steel plates ideal for applications involving heat exchangers, furnace parts, and exhaust systems.
- Improved Fabrication: The excellent weldability and formability of SS 321H plates allow for easy fabrication and customization to meet specific project requirements.
Schedule and Size Chart
Plate Thickness (mm) | Width (mm) | Length (mm) |
1.0 – 3.0 | 1000 – 2000 | 2000 – 6000 |
4.0 – 10.0 | 1000 – 2500 | 2000 – 6000 |
11.0 – 25.0 | 1000 – 2500 | 2000 – 6000 |
26.0 – 50.0 | 1000 – 3000 | 2000 – 6000 |
51.0 – 100.0 | 1000 – 3000 | 2000 – 6000 |
Mechanical Properties Chart
Property | Value |
Tensile Strength (MPa) | 515 – 740 |
Yield Strength (MPa) | 205 |
Elongation (%) | 40 |
Hardness (Brinell) | Max 217 |
Modulus of Elasticity (GPa) | 193 – 200 |
Poisson’s Ratio | 0.27 – 0.30 |
Specifications Chart
Specification | Standard |
ASTM | ASTM A240 |
ASME | ASME SA240 |
EN | EN 10088-2 |
UNS | S32109 |
DIN | 1.4878 |
Chemical Composition Chart
Element | Composition (%) |
Carbon (C) | 0.04 – 0.10 |
Chromium (Cr) | 17.00 – 19.00 |
Nickel (Ni) | 9.00 – 12.00 |
Manganese (Mn) | Max 2.00 |
Silicon (Si) | Max 0.75 |
Phosphorus (P) | Max 0.045 |
Sulfur (S) | Max 0.030 |
Titanium (Ti) | 5 x C min to 0.70 |
Physical Properties Chart
Property | Value |
Density (g/cm³) | 7.98 |
Melting Range (°C) | 1400 – 1425 |
Specific Heat (J/kg·K) | 500 |
Thermal Conductivity (W/m·K) | 16.0 |
Electrical Resistivity (Ω·m) | 0.74 x 10⁻⁶ |
Thermal Expansion (µm/m·K) | 16.0 |
Application Chart
Industry | Application |
Aerospace | Jet engine components, exhaust systems |
Chemical Processing | Reactors, heat exchangers, storage tanks |
Power Generation | Boiler components, superheater tubes |
Automotive | Exhaust systems, high-temperature parts |
Petrochemical | Refining equipment, piping systems |
Food Processing | Equipment requiring high-temperature resistance |
Pharmaceutical | Equipment exposed to high temperatures and corrosive environments |
Why Choose ASC LLP?
At ASC LLP, we are committed to providing top-quality stainless steel products that meet the highest industry standards. Here’s why you should choose us for your SS 321H plate needs:
- Unmatched Quality: Our 321H SS plates are sourced from reputable manufacturers and undergo stringent quality checks to ensure they meet international standards.
- Extensive Inventory: We maintain a large inventory of 321H SS plates in various sizes and thicknesses to meet the diverse needs of our clients.
- Competitive Pricing: We offer competitive prices without compromising on quality, ensuring you get the best value for your investment.
- Expert Support: Our team of experts is always ready to provide technical support and guidance to help you choose the right materials for your specific applications.
- Timely Delivery: We understand the importance of timely delivery and strive to ensure that your orders are processed and shipped promptly.
SS 321H plates from ASC LLP are a reliable and efficient solution for high-temperature and corrosive applications. With their excellent properties, numerous advantages, and wide range of applications, these plates are an ideal choice for various industries. Contact us today to learn more about our SS 321H plates and how they can benefit your projects. Our team is ready to assist you with all your stainless steel needs, ensuring you receive the best products and services in the industry.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality stainless steel 321H plates. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.