ASTM B575 Grade C4 Hastelloy Plates
ASC LLP is a premier manufacturer, exporter, and supplier of ASTM B575 Grade C4 Plates, offering high-performance solutions for industries requiring superior corrosion resistance and strength. Our Hastelloy C4 Plates are meticulously designed to meet the rigorous demands of various industrial applications, ensuring durability and reliability in even the most challenging environments.
What are ASTM B575 Grade C4 Hastelloy Plates?
ASTM B575 Grade C4 Hastelloy Plates are nickel-chromium-molybdenum alloy plates that are renowned for their exceptional resistance to corrosion, particularly in environments containing oxidizing and reducing acids. These plates are engineered to provide excellent stability and mechanical properties at elevated temperatures, making them ideal for use in chemical processing, power generation, and other demanding industries.
The Hastelloy C4 alloy, which forms the base of these plates, is specifically designed to resist a wide variety of aggressive chemicals, including sulfuric acid, hydrochloric acid, and chlorine-contaminated environments. The plates Hastelloy ASTM B575 Grade C4 are particularly valued for their ability to withstand localized corrosion such as pitting and crevice corrosion.

Properties of ASTM B575 Grade C4 Hastelloy Plates
The ASTM B575 Grade C4 Hastelloy Plates exhibit several key properties that make them suitable for critical applications:
- Corrosion Resistance: Hastelloy C4 is highly resistant to a wide range of corrosive environments, including both oxidizing and reducing acids. It also offers exceptional resistance to stress-corrosion cracking and intergranular attack.
- High-Temperature Stability: The alloy maintains its mechanical integrity and stability at elevated temperatures, making it suitable for applications that involve high heat and aggressive chemicals.
- Mechanical Strength: These plates offer excellent tensile strength and toughness, ensuring that they can withstand mechanical stress in demanding applications.
- Ease of Fabrication: Hastelloy B575 Grade C4 Plates can be easily welded and fabricated, allowing for the production of complex shapes and components without compromising their structural integrity.
- Resistance to Localized Corrosion: The alloy’s resistance to pitting and crevice corrosion is particularly valuable in environments where such localized attacks are a concern.
Advantages of ASTM B575 Grade C4 Hastelloy Plates
Choosing ASTM B575 Grade C4 Hastelloy Plates for your industrial applications offers numerous advantages:
- Extended Service Life: The superior corrosion resistance of Hastelloy C4 ensures that components made from these plates have a longer service life, reducing the need for frequent replacements and maintenance.
- Cost-Effectiveness: While the initial investment in Hastelloy C4 plates may be higher, the reduced maintenance and replacement costs over time make it a cost-effective solution for critical applications.
- Versatility: The ability to withstand various corrosive environments and high temperatures makes these plates suitable for a wide range of industries, including chemical processing, pharmaceuticals, and energy production.
- Reliable Performance: ASTMB575 Grade C 4 Hastelloy Plates are known for their consistent performance, even in the most challenging environments, ensuring the reliability of your systems and operations.
- Compliance with Global Standards: Manufactured in accordance with the ASTM B575 standard, these plates meet global quality requirements, ensuring their suitability for international projects and applications.


Schedule and Size Chart
Plate Thickness (mm) | Width (mm) | Length (mm) | Availability |
3.0 – 6.0 | 1000 – 2000 | 2000 – 6000 | In Stock |
6.1 – 12.0 | 1000 – 2500 | 2000 – 8000 | In Stock |
12.1 – 20.0 | 1000 – 3000 | 2000 – 8000 | On Request |
20.1 – 50.0 | 1000 – 3000 | 2000 – 8000 | On Request |
> 50.0 | 1000 – 3000 | 2000 – 8000 | On Request |
Mechanical Properties Chart
Property | Value | Standard Test Method |
Tensile Strength (MPa) | 690 MPa (min) | ASTM E8/E8M |
Yield Strength (0.2% MPa) | 310 MPa (min) | ASTM E8/E8M |
Elongation (%) | 40% (min) | ASTM E8/E8M |
Hardness (HRB) | 80 (max) | ASTM E18 |
Specifications Chart
Specification | Value |
Standard | ASTM B575 |
Alloy | Hastelloy C4 |
UNS Number | N06455 |
Form | Plate |
Finish | Hot Rolled, Cold Rolled |
Thickness Range | 3.0 mm to 50.0 mm and above |
Width Range | 1000 mm to 3000 mm |
Length Range | 2000 mm to 8000 mm |
Tolerance | As per ASTM B575 |
Tensile Strength Chart
Plate Thickness (mm) | Tensile Strength (MPa) |
3.0 – 6.0 | 690 MPa (min) |
6.1 – 12.0 | 690 MPa (min) |
12.1 – 20.0 | 690 MPa (min) |
20.1 – 50.0 | 690 MPa (min) |
> 50.0 | 690 MPa (min) |
Heat Treatment Requirement Chart
Process | Temperature Range | Cooling Method | Purpose |
Annealing | 1065°C – 1121°C | Rapid quenching in water or air | To restore ductility and reduce stress |
Stress Relieving | 650°C – 850°C | Slow cooling in air | To minimize residual stress |
Solution Treatment | 1100°C – 1175°C | Rapid quenching in water or air | To homogenize and stabilize the structure |
Chemical Composition Chart
Element | Composition (%) |
Nickel (Ni) | 65.0 (min) |
Molybdenum (Mo) | 15.0 – 17.0 |
Chromium (Cr) | 14.0 – 18.0 |
Iron (Fe) | 3.0 (max) |
Manganese (Mn) | 1.0 (max) |
Silicon (Si) | 0.08 (max) |
Carbon (C) | 0.01 (max) |
Tungsten (W) | 3.0 – 4.5 |
Phosphorus (P) | 0.03 (max) |
Sulfur (S) | 0.02 (max) |
Physical Properties Chart
Property | Value |
Density | 8.64 g/cm³ |
Melting Point | 1370°C – 1425°C |
Thermal Conductivity | 10.5 W/m·K at 20°C |
Electrical Resistivity | 1.3 µΩ·m at 20°C |
Specific Heat Capacity | 400 J/kg·K at 20°C |
Modulus of Elasticity | 211 GPa |
Coefficient of Expansion | 11.0 µm/m·°C (20°C to 1000°C) |
Application Chart
Industry | Application |
Chemical Processing | Reactor vessels, Heat exchangers, Piping systems |
Pharmaceuticals | Sterilization equipment, Processing tanks |
Energy Production | Geothermal plants, Nuclear reactors |
Pollution Control | Flue gas desulfurization systems (FGD) |
Aerospace | Engine components, Exhaust systems |
Marine Industry | Seawater handling equipment, Pumps |
Why Choose ASC LLP?
At ASC LLP, we pride ourselves on being a top-tier ASTM B575 Grade C4 Hastelloy Plates manufacturer, exporter, and supplier. Our commitment to quality, customer satisfaction, and industry expertise sets us apart in the market. Here’s why you should choose us:
- Quality Assurance: We adhere to stringent quality control processes to ensure that every plate we produce meets the highest standards of quality and reliability.
- Global Reach: As a trusted ASTMB575 Grade C 4 Hastelloy Plates trader and stockist, we serve clients across the globe, ensuring timely delivery and support for international projects.
- Technical Expertise: Our team of experienced professionals is equipped with the knowledge and skills to assist you in selecting the right materials for your specific applications.
- Customized Solutions: We offer customized solutions to meet your unique requirements, including special sizes, finishes, and fabrication services.
- Competitive Pricing: Our efficient manufacturing processes and strategic sourcing allow us to offer competitive pricing without compromising on quality.
ASTM B575 Grade C4 Hastelloy Plates is a critical material for industries that require superior corrosion resistance, high strength, and reliable performance in challenging environments. As a leading manufacturer, exporter, and supplier, ASC LLP is your trusted partner for all your Hastelloy C4 sheet needs. Whether you are looking for high-quality plates for chemical processing, energy production, or any other demanding application, our products are designed to deliver unparalleled performance and longevity.
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 B575 Grade C4 Hastelloy 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.