2304 Stainless Steel Coil - Detailed Information
Introduction
2304 stainless steel coil is a duplex stainless steel product that provides a balance of high strength and excellent corrosion resistance. This grade is designed to offer enhanced properties in demanding applications, combining the benefits of both austenitic and ferritic stainless steels.
Chemical Composition
Chromium (Cr):22.0 - 24.0%
Nickel (Ni):3.5 - 5.5%
Molybdenum (Mo):0.05 - 0.60%
Nitrogen (N):0.05 - 0.20%
Carbon (C):≤ 0.03%
Manganese (Mn):≤ 2.00%
Silicon (Si):≤ 1.00%
Phosphorus (P):≤ 0.035%
Sulfur (S):≤ 0.015%
Key Properties
Corrosion Resistance:The 2304 stainless steel coil exhibits outstanding resistance to general corrosion, pitting, and crevice corrosion, especially in environments containing chlorides.
Strength:Thanks to its duplex microstructure, 2304 offers higher strength than traditional austenitic stainless steels, providing better performance under mechanical stress.
Weldability:2304 stainless steel coils have good weldability, with low risk of intergranular corrosion post-welding due to their low carbon content.
Toughness:This grade maintains good toughness even at lower temperatures, making it suitable for a variety of applications.
Mechanical Properties
Tensile Strength:600 - 800 MPa
Yield Strength:400 - 600 MPa
Elongation:≥ 25%
Hardness:≤ 280 HB
Applications
2304 stainless steel coils are used in a wide array of applications where corrosion resistance and high strength are critical. Common applications include:
Chemical processing equipment
Oil and gas industry components
Heat exchangers and condensers
Marine environments
Storage tanks and pressure vessels
Architectural structures
Standards and Specifications
ASTM/AISI:UNS S32304
EN:1.4362
DIN:X2CrNiN23-4
JIS:SUS2304
GB:00Cr23Ni4N
Advantages
Superior resistance to stress corrosion cracking
High mechanical strength, offering durability in challenging conditions
Good formability and weldability, suitable for various manufacturing processes
Cost-effective alternative to higher-alloyed grades like 2205 and 2507
Conclusion
2304 stainless steel coils are ideal for use in environments that demand both high strength and excellent corrosion resistance. With its duplex structure, this material provides enhanced durability and reliability across a wide range of industrial applications.
