Hastelloy C-4 Plate – Premium Corrosion Resistant Alloy from China Manufacturer

Hastelloy C-4 Plate is a versatile nickel-molybdenum-chromium alloy designed for efficient performance in severe chemical environments. Renowned for its exceptional resistance to oxidizing and reducing agents, Hastelloy C-4 is extensively used in industries such as chemical processing, power plants, and marine engineering. With high mechanical strength and thermal stability, this plate is ideal for applications requiring durability under extreme conditions.

Price: Contact Us for a Custom Quote

For pricing inquiries and detailed quotations on Hastelloy C-4 Plate, please contact us directly. Pricing terms and delivery information are available upon request.

Specifications

Thickness: 3mm to 50mm
Width: 1000mm to 2500mm
Length: Customizable as per requirements
Surface Treatment: Polished, Mill-finished, or Custom Coating

Key Features (Advantages)

Exceptional resistance to a wide range of oxidizing and reducing chemicals
High thermal stability and mechanical strength
Superior weldability for ease of fabrication
Excellent resistance to localized corrosion, pitting, and stress corrosion cracking

Applications

Hastelloy C-4 Plate is widely used in the following industries and applications:

Chemical Processing: Reactors, heat exchangers, and pressure vessels
Pharmaceuticals: Containers and piping systems for reactive chemicals
Maritime Engineering: Seawater handling and desalination plants
Power Generation: Components exposed to high temperatures and corrosive gases

Chemical Composition of Hastelloy C-4 Plate

Element	Percentage (%)
Nickel (Ni)	0 – 70.0
Molybdenum (Mo)	0 – 17.0
Chromium (Cr)	5 – 16.5
Iron (Fe)	0 max
Other Elements	Trace amounts

Mechanical Properties

Property	Value
Tensile Strength	≥690 MPa
Yield Strength	≥275 MPa
Elongation	0.4

Chemical Properties

Hastelloy C-4 Plate provides outstanding resistance to acids such as hydrochloric, sulfuric, and phosphoric acids. It also performs well in environments containing chlorine and oxidizing salts. This alloy resists corrosion in both aqueous and gaseous environments, making it suitable for harsh industrial settings.

Things to Note (Limitations)

While Hastelloy C-4 Plate is highly durable, its performance may be affected by prolonged exposure to temperatures above 550°C, which can cause grain boundary carbide precipitation. Avoid using the material in extreme thermal shock conditions to maintain its integrity.

Corrosion Data for Hastelloy C-4 Plate

Hastelloy C-4 exhibits a high level of resistance against pitting and crevice corrosion. It has proven effectiveness in both mild and aggressive chemical environments, including oxidizing atmospheres and acidic solutions.

Welding and Manufacturing Tips

Hastelloy C-4 Plate is weldable using standard techniques such as TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas). Cold and hot forming processes can be applied to customize the material’s shape and size without compromising its structural properties. Post-weld heat treatment is typically not required.

What Customers Say About Our Hastelloy Material

Frequently Asked Questions

Q: How does Hastelloy C-4 Plate differ from Hastelloy C-22 Plate?

A: Hastelloy C-4 offers better thermal stability, while Hastelloy C-22 provides enhanced resistance to aqueous corrosion under oxidizing conditions.

Q: What industries most commonly use Hastelloy C-4 Plates?

A: Industries such as chemical processing, pharmaceuticals, marine engineering, and power generation use this material widely.

Q: Can Hastelloy C-4 be used in high-temperature applications?

A: Yes, but it is limited to environments below 550°C to avoid grain boundary carbide precipitation.

Q: Is Hastelloy C-4 suitable for welding?

A: Yes, it is highly weldable using standard welding techniques without the need for post-weld heat treatment.

Q: What are the key advantages of Hastelloy C-4 Plate?

A: Exceptional corrosion resistance, thermal stability, mechanical strength, and weldability make it a preferred choice for demanding environments.