ASTM A240 AISI 444 SUS444 DIN 1.4521 SUS444 Cold Rolled Stainless Steel Metal Sheet With PMI

444 stainless steel plate/sheet is a ferritic stainless steel with excellent corrosion resistance, particularly in chloride environments, and good resistance to oxidation and scaling at elevated temperatures. It is stabilized with additions of titanium and niobium, which enhance its resistance to intergranular corrosion and improve its mechanical properties.

Key Characteristics

Excellent Corrosion Resistance: Provides superior resistance to pitting and crevice corrosion in chloride environments.

Oxidation Resistance: Maintains good oxidation resistance at high temperatures, making it suitable for heat-exposed applications.

High Strength and Ductility: Offers a good balance of strength and ductility, allowing for ease of fabrication and forming.

Stabilized Composition: Additions of titanium and niobium enhance resistance to intergranular corrosion and improve weldability.

Magnetic Properties: Exhibits magnetic properties in both the annealed and cold-worked conditions.

Chemical Composition

Carbon (C): ≤ 0.025%

Manganese (Mn): ≤ 1.00%

Silicon (Si): ≤ 1.00%

Phosphorus (P): ≤ 0.040%

Sulfur (S): ≤ 0.030%

Chromium (Cr): 17.5-19.5%

Nickel (Ni): ≤ 0.50%

Molybdenum (Mo): 1.75-2.50%

Titanium (Ti): ≤ 0.80%

Niobium (Nb): ≤ 0.80%

Common Applications

Automotive Components: Used in automotive exhaust systems, manifolds, and other components exposed to high temperatures and corrosive environments.

Water Heater Tanks: Ideal for use in water heater tanks due to its excellent resistance to pitting and crevice corrosion.

Heat Exchangers: Suitable for heat exchangers and other equipment where good thermal conductivity and corrosion resistance are required.

Architectural Applications: Employed in architectural applications such as building facades and structural components for its aesthetic appeal and durability.

Food Processing Equipment: Used in food processing and handling equipment for its corrosion resistance and ease of cleaning.

Advantages

Superior Corrosion Resistance: Provides excellent resistance to pitting and crevice corrosion, especially in chloride-containing environments.

Good Oxidation Resistance: Maintains structural integrity and appearance at high temperatures, offering reliable oxidation resistance.

Enhanced Mechanical Properties: Stabilized with titanium and niobium, providing improved mechanical properties and resistance to intergranular corrosion.

Good Formability and Weldability: Easy to form, bend, and weld, making it versatile for various fabrication processes.

Magnetic Properties: Magnetic in both annealed and cold-worked conditions, useful for specific applications requiring magnetic properties.

Summary

444 stainless steel plate/sheet is a high-performance material designed for applications requiring superior corrosion resistance, particularly in chloride environments, and good oxidation resistance at high temperatures. The stabilized composition with titanium and niobium enhances its mechanical properties and resistance to intergranular corrosion, making it suitable for automotive components, water heater tanks, heat exchangers, architectural applications, and food processing equipment.

For more detailed information or specific inquiries about 444 stainless steel plate/sheet, please contact us.

Q: Are you manufacturer? Can we visit your factory ?

A: Yes , we are a source steel factory in Wuxi,China. Welcome to visit.

Q. What are your main products ?
A: Main products are stainless steel, aluminum and copper for sheets, coils,pipes, bars.

Q: How do you control the quality?
A: Complete incoming material testing and production testing process to ensure that the quality of products can meet customer requirements. We also support the third party inspection before shipping.

Q: Can you arrange the shipment?
A: Sure, we have long-term cooperation with the freight forwarder,so we can get more favorable prices.

Q: How long is your delivery time?
A: Generally it is 1-3 days if the raw materials are in stock. Or it is 10-15 days if the goods are not in stock. It depends.

Q:Can we get the a free sample?
A:Yes.As long as we have it in stock.