Welded Stainless Steel H Beam / SS Beams UNS S32100 321 1.4541 Heat Resistant Part

Welded Stainless Steel H Beam / SS Beams UNS S32100 , 321 , 1.4541 Heat Resistant Part

Products Specification

321 Stainless Steel Introduction
321 stainless steel is a titanium stabilized austenitic stainless steel, by adding titanium elements, effectively prevent chromium carbide precipitation, improve intergranular corrosion resistance, widely used in high temperature and corrosive environment.

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Chemical composition of 321 Stainless Steel:

• Carbon (C) : ≤0.08%
• Silicon (Si) : ≤1.00%
• Manganese (Mn) : ≤2.00%
• Phosphorus (P) : ≤0.045%
• Sulfur (S) : ≤0.030%
• Chromium (Cr) : 17.00-19.00%
• Nickel (Ni) : 9.00-12.00%
• Titanium (Ti) : ≥5×C%

Physical properties of 321 Stainless Steel

• Density: 7.93 g/cm³
• Melting point: 1398-1420℃
• Coefficient of thermal expansion: 16.6μm /m·℃ (20-100℃)
• Thermal conductivity: 16.3W /m·K (100℃)
• Resistivity: 0.72 μΩ·m (20℃)

Mechanical properties:

• Tensile strength: ≥520 MPa
• Yield strength: ≥205 MPa
• Elongation: ≥40%
• Hardness: ≤ 187HB

Peculiarity

• Intergranular corrosion resistance: The addition of titanium effectively prevents chromium carbide precipitation and improves intergranular corrosion resistance.
• High temperature strength: maintain good strength and oxidation resistance at high temperatures.
• Oxidation resistance: Excellent performance in high temperature oxidation environment.
• Machinability: good weldability and cold workability.
• Corrosion resistance: Good performance in a variety of corrosive media.

Apply

• High temperature environment:Heat exchanger,Boiler,heater
• Chemical Equipment:reactor,Storage tank,conduit
• Aerospace:Engine component,Exhaust system
• Food processing:Food processing equipment,Storage tank
• Other areas:Petrochemical equipment,Medical device,Automobile exhaust system

321 stainless steel because of its resistance to intergranular corrosion, high temperature strength and good processing properties, widely used in high temperature, corrosive environment and chemical industry, aerospace and other fields.

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