ASTM B619 Grade C276 Hastelloy Plates: A Comprehensive Guide
Hastelloy C276 is a highly versatile nickel-molybdenum-chromium alloy that offers excellent corrosion resistance in a wide range of harsh environments. Known for its remarkable resistance to pitting, stress corrosion cracking, and oxidizing atmospheres, C276 Hastelloy is the material of choice for various industrial applications where durability and performance are critical. At ASC LLP, we are proud to be leading manufacturers, exporters, and suppliers of high-quality ASTM B619 Grade C276 Plates, delivering exceptional value to our global clientele.
What Are ASTM B619 Grade C276 Hastelloy Plates?
ASTM B619 Grade C276 Hastelloy Plates are manufactured according to the ASTM B619 specification, which outlines the standards for welded, seamless, and heavily cold-worked Hastelloy plates. These plates are specifically engineered to withstand extreme conditions, making them ideal for applications in chemical processing, power generation, pollution control, and marine environments. The unique chemical composition of Hastelloy C276, including nickel, molybdenum, chromium, and iron, ensures that these plates offer superior resistance to a broad spectrum of corrosive environments.

Key Properties of ASTM B619 Grade C276 Hastelloy Plates
The ASTM B619 Grade C276 Hastelloy Plates stand out due to their excellent mechanical and chemical properties. Some of the key properties include:
- Corrosion Resistance: Hastelloy C276 is renowned for its exceptional resistance to a wide variety of corrosive media, including acids, alkalis, and salts. It is particularly resistant to sulfuric acid, hydrochloric acid, and phosphoric acid, making it suitable for chemical processing industries.
- High Temperature Stability: These plates maintain their structural integrity even at elevated temperatures, making them suitable for high-temperature applications such as furnaces, heat exchangers, and reactors.
- Mechanical Strength: The plates offer excellent mechanical strength, with high tensile and yield strength, ensuring durability and reliability in demanding conditions.
- Pitting and Crevice Corrosion Resistance: Hastelloy C276’s composition prevents pitting and crevice corrosion, which are common issues in many industrial environments.
Advantages of Using ASTM B619 Grade C276 Hastelloy Plates
When selecting materials for critical applications, the advantages of using ASTM B619 Grade C276 Hastelloy Plates are numerous:
- Extended Service Life: Due to their outstanding corrosion resistance and durability, these plates have a longer service life compared to other materials, reducing maintenance costs and downtime.
- Versatility: Hastelloy C276 plates can be used in a variety of industries, including chemical processing, pharmaceuticals, oil and gas, and environmental engineering, due to their ability to perform in both oxidizing and reducing environments.
- Cost-Effectiveness: Although Hastelloy C276 is a premium material, its long-term benefits, such as reduced maintenance and longer service life, make it a cost-effective solution for many industries.
- Ease of Fabrication: These plates are easily fabricated and can be welded using standard welding techniques, making them adaptable to various applications.


Schedule and Size Chart
Plate Thickness (inches) | Plate Width (inches) | Plate Length (inches) | Weight (lbs/sq. ft.) |
0.125 | 36 – 120 | 96 – 240 | 5.3 |
0.25 | 36 – 120 | 96 – 240 | 10.6 |
0.375 | 36 – 120 | 96 – 240 | 15.9 |
0.5 | 36 – 120 | 96 – 240 | 21.2 |
0.625 | 36 – 120 | 96 – 240 | 26.5 |
0.75 | 36 – 120 | 96 – 240 | 31.8 |
1.0 | 36 – 120 | 96 – 240 | 42.4 |
Mechanical Properties Chart
Property | Value |
Tensile Strength | 115 ksi (min) |
Yield Strength | 51 ksi (min) |
Elongation | 40% (min) |
Hardness | 200 HBW (max) |
Modulus of Elasticity | 29.5 x 10^6 psi |
Specifications Chart
Standard | Grade | Description |
ASTM B619 | C276 | Nickel-molybdenum-chromium alloy with tungsten, outstanding corrosion resistance in a wide range of severe environments. |
Tensile Strength Chart
Thickness (inches) | Tensile Strength (ksi) |
0.125 – 0.375 | 115 (min) |
0.375 – 0.75 | 115 (min) |
0.75 – 1.0 | 115 (min) |
Heat Treatment Requirement Chart
Condition | Temperature (°F) | Cooling |
Solution Heat Treated | 2050 – 2150 | Rapid quenching in water or other suitable media. |
Chemical Composition Chart
Element | Content (%) |
Nickel (Ni) | 57 (min) |
Molybdenum (Mo) | 15.0 – 17.0 |
Chromium (Cr) | 14.5 – 16.5 |
Iron (Fe) | 4.0 – 7.0 |
Tungsten (W) | 3.0 – 4.5 |
Cobalt (Co) | 2.5 (max) |
Manganese (Mn) | 1.0 (max) |
Vanadium (V) | 0.35 (max) |
Carbon (C) | 0.010 (max) |
Silicon (Si) | 0.08 (max) |
Phosphorus (P) | 0.04 (max) |
Sulfur (S) | 0.03 (max) |
Physical Properties Chart
Property | Value |
Density | 0.323 lb/in³ (8.89 g/cm³) |
Melting Range | 2415 – 2500°F (1324 – 1371°C) |
Electrical Resistivity | 1.24 x 10^(-6) ohm-m |
Thermal Conductivity | 6.02 W/m·K |
Specific Heat Capacity | 0.102 Btu/lb·°F (426 J/kg·K) |
Application Chart
Industry | Applications |
Chemical Processing | Reactors, heat exchangers, evaporators, and transfer piping |
Oil and Gas | Sour gas service, flue gas desulfurization, and acid production |
Marine | Marine environments with brine or chloride-containing solutions |
Power Generation | Heat recovery steam generators, and coal gasification |
Pharmaceutical | Equipment exposed to high levels of corrosive chemicals |
Aerospace | Jet engines, and rocket components exposed to extreme environments |
Why Choose ASC LLP for ASTM B619 Grade C276 Hastelloy Plates?
At ASC LLP, we are committed to delivering top-quality materials and unmatched customer service. Here’s why we are the preferred choice for Hastelloy C276 plates:
- Expertise and Experience: With years of experience in the industry, we have a deep understanding of the requirements for high-performance alloys and can provide tailored solutions to meet your needs.
- Global Reach: As leading manufacturers, exporters, and suppliers, we serve clients across the globe, ensuring that our products meet international standards.
- Comprehensive Inventory: We maintain a large stock of ASTM B619 Grade C276 Hastelloy Plates in various sizes and thicknesses, ready for immediate delivery.
- Quality Assurance: Our products undergo rigorous testing and quality checks to ensure they meet the highest standards of performance and reliability.
- Customer-Centric Approach: We pride ourselves on our commitment to customer satisfaction, offering personalized service and technical support to ensure you get the right product for your application.
When it comes to high-performance materials for demanding environments, ASTM B619 Hastelloy C276 Plates are a top choice. With their exceptional corrosion resistance, high-temperature stability, and long-term durability, these plates provide reliable performance in even the most challenging conditions.
At ASC LLP, we are proud to be your trusted source for Hastelloy C276 sheets. Whether you need materials for chemical processing, power generation, or any other industrial application, we have the expertise and inventory to meet your needs. Contact us today to learn more about our products and services, and let us help you find the perfect solution for your industrial requirements.
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 B619 Grade C276 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.

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