ASTM A871 Grade 60 Plates: A Comprehensive Guide
At Amardeep Steel Centre LLP, we pride ourselves on delivering high-quality, durable, and reliable flanges to meet the demands of various industries. Among our extensive range of products, ASTM B392 R04251 Niobium Flanges stand out for their exceptional properties and performance. These flanges, made from niobium alloy R04251, are designed to withstand extreme conditions, making them ideal for critical applications.
What is ASTM B392 R04251 Niobium Flanges?
ASTM B392 R04251 Niobium Flanges are specialized components used in piping systems, primarily where high corrosion resistance, heat resistance, and strength are essential. These flanges are manufactured from niobium alloy R04251, a material known for its remarkable properties, including excellent resistance to corrosion and oxidation at high temperatures. The ASTM B392 specification governs the standard requirements for niobium and niobium alloy seamless and welded tubes, including flanges, ensuring they meet stringent quality and performance standards.
Niobium, also referred to as columbium, is a chemical element with the symbol Nb and atomic number 41. It is characterized by its high melting point, low density, and ability to maintain structural integrity in harsh environments. The addition of niobium to alloys like R04251 enhances the material’s mechanical properties, making it a preferred choice in industries such as aerospace, chemical processing, and nuclear power.

ASTM A871 Grade 60 Plates Properties
The properties of ASTM A871 Grade 60 Plates make them highly desirable for structural applications. Key characteristics include:
- High Strength: ASTM A871 Grade 60 Plates are designed to provide superior tensile and yield strength. The grade 60 designation indicates a minimum yield strength of 60 ksi (kilopounds per square inch), ensuring that the plates can withstand significant loads and stresses.
- Weather Resistance: One of the standout properties of ASTM A871 Grade 60 Plates is their exceptional weather resistance. The alloy’s unique composition allows it to develop a protective oxide layer when exposed to atmospheric conditions, which enhances its resistance to rust and corrosion.
- Weldability: These plates offer good weldability, allowing for easy fabrication and joining with other steel components. This property is essential for construction and manufacturing processes that involve welding.
- Formability: ASTM A871 Grade 60 Plates exhibit excellent formability, enabling them to be easily shaped and molded to meet specific design requirements.
Advantages of ASTM A871 Grade 60 Plates
ASTM A871 Grade 60 Plates offer several advantages that make them a preferred choice in various applications:
- Enhanced Durability: The weather-resistant properties of ASTM A871 Gr60 Plates ensure long-term durability and reduced maintenance costs. The protective oxide layer formed on the surface prevents further corrosion, extending the lifespan of the plates.
- Cost-Effectiveness: By reducing the need for frequent maintenance and replacement, A871 Grade 60 Plates offer a cost-effective solution for construction and industrial projects. Their longevity and resistance to environmental factors result in lower total lifecycle costs.
- Aesthetic Appeal: The rust-like appearance of Corten steel adds a distinctive and attractive finish to structures. A871 Grade 60 Plates can be used to create visually appealing architectural elements, including facades, sculptures, and outdoor installations.
- Versatility: These plates are versatile and can be used in a wide range of applications, including bridges, buildings, railways, and outdoor sculptures. Their ability to withstand harsh environmental conditions makes them suitable for both industrial and artistic uses.


Schedule and Size Chart
Thickness (inches) | Width (inches) | Length (inches) | Thickness (mm) | Width (mm) | Length (mm) |
0.250 | 48 | 96 | 6.35 | 1219 | 2438 |
0.500 | 48 | 96 | 12.70 | 1219 | 2438 |
0.750 | 60 | 120 | 19.05 | 1524 | 3048 |
1.000 | 60 | 120 | 25.40 | 1524 | 3048 |
1.250 | 72 | 144 | 31.75 | 1829 | 3658 |
1.500 | 72 | 144 | 38.10 | 1829 | 3658 |
2.000 | 96 | 240 | 50.80 | 2438 | 6096 |
Mechanical Properties Chart
Property | Value | Units |
Tensile Strength | 60 – 80 | ksi |
Yield Strength | 50 | ksi |
Elongation | 20 – 25 | % |
Modulus of Elasticity | 29.0 | x 10^6 psi |
Hardness | 150 – 200 | HB |
Specifications Chart
Specification | Details |
Standard | ASTM A871 |
Grade | 60 |
Type | Weathering Steel Plate |
Surface Finish | Hot Rolled / Cold Rolled |
Delivery Condition | As Rolled, Heat Treated |
Application | Structural Components, Bridges, Buildings |
Chemical Composition Chart
Element | Percentage (%) |
Niobium (Nb) | 99.0 (min) |
Carbon (C) | 0.01 (max) |
Oxygen (O) | 0.015 (max) |
Nitrogen (N) | 0.005 (max) |
Hydrogen (H) | 0.0015 (max) |
Tantalum (Ta) | 0.1 (max) |
Iron (Fe) | 0.005 (max) |
Physical Properties Chart
Property | Value |
Density | 8.57 g/cm³ |
Melting Point | 2468°C |
Electrical Resistivity | 15.2 µΩ·cm at 20°C |
Thermal Conductivity | 54.6 W/m·K at 20°C |
Specific Heat Capacity | 0.27 J/g·K at 25°C |
Coefficient of Expansion | 7.2 x 10⁻⁶ /°C (20-100°C) |
Application Chart
Industry | Application |
Chemical Processing | Used in pipelines and reactors where high corrosion resistance is required. |
Aerospace | Flanges for jet engines, rocket components, and heat shields. |
Nuclear Power | Components in reactors, fuel rods, and other high-temperature environments. |
Medical Equipment | Used in medical implants and surgical instruments due to biocompatibility. |
Oil and Gas | High-pressure flanges in pipelines exposed to corrosive environments. |
Power Generation | Used in turbines, boilers, and other equipment exposed to high temperatures. |
Why Choose Amardeep Steel Centre LLP as your dealer for ASTM B392 R04251 Niobium Flanges?
At Amardeep Steel Centre LLP, we are committed to providing our clients with the highest quality flanges that meet their specific needs. When you choose us for your ASTM B392 R04251 Niobium Flanges, you benefit from:
- Expertise and Experience: With decades of experience in the steel and alloy industry, we have the expertise to deliver products that meet the highest standards of quality and performance.
- Custom Solutions: We understand that every project has unique requirements. Our team works closely with you to provide custom flange solutions that fit your specific needs.
- Quality Assurance: Our flanges are manufactured under strict quality control processes, ensuring that each product meets the ASTM B392 specification and other relevant industry standards.
- Competitive Pricing: We offer competitive pricing on all our products, including niobium flanges, ensuring you get the best value for your investment.
- Global Reach: As a trusted supplier to industries around the world, we have the logistics capabilities to deliver our products to any location, ensuring timely and reliable delivery.
- Customer Support: Our dedicated customer support team is always available to assist you with any questions or concerns, ensuring a smooth and hassle-free experience from order placement to delivery.
ASTM B392 R04251 Niobium Flanges are an essential component for industries that require materials with exceptional corrosion resistance, high-temperature stability, and mechanical strength. At Amardeep Steel Centre LLP, we are proud to offer these high-quality flanges to our clients, backed by our commitment to quality, reliability, and customer satisfaction.
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 ASTM B392 R04251 Niobium Flanges. 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
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