2205 duplex stainless steel H-shaped steel introduction
2205 Duplex stainless Steel H-shaped steel is an H-shaped steel made from 2205 duplex stainless steel, with both austenitic and ferrite structure, with excellent mechanical properties and corrosion resistance.

Main parameter

• Density: 7.8 g/cm³
• Melting point: about 1420-1460°C
• Tensile strength: ≥620 MPa
• Yield strength: ≥450 MPa
• Elongation: ≥25%
• Hardness: Approx. 290 HB

Chemical composition

• Carbon (C): ≤0.03%
• Silicon (Si): ≤1.00%
• Manganese (Mn): ≤2.00%
• Phosphorus (P): ≤0.030%
• Sulfur (S): ≤0.020%
• Chromium (Cr): 22.0-23.0%
• Nickel (Ni): 4.5-6.5%
• Molybdenum (Mo): 3.0-3.5%
• Nitrogen (N): 0.14-0.20%

Peculiarity

• High strength: High tensile and yield strength, suitable for high-load environments.
• Corrosion resistance: Excellent resistance to pitting corrosion, crevice corrosion and stress corrosion cracking.
• Good weldability: high strength and corrosion resistance after welding.
• High toughness: good toughness at low temperatures.
• Fatigue strength: High fatigue strength, suitable for cyclic load environment.

Apply

• Marine engineering: Used in seawater treatment equipment, offshore platforms, etc.
• Chemical equipment: suitable for reactors, storage tanks, pipelines, etc.
• Oil and natural gas: Used in oil well pipes, gas pipelines, etc.
• Building structure: Used for Bridges, high-rise buildings, etc.
• Environmental protection equipment: used for flue gas desulfurization equipment, sewage treatment equipment, etc.

2205 duplex stainless steel H-shaped steel with its high strength, corrosion resistance and good weldability, widely used in Marine engineering, chemical, oil and gas, construction and environmental protection and other fields.