Seamless Stainless Steel Tube – Type 304

Seamless Stainless Steel Tube – Type 304 are high-strength, corrosion-resistant tubes used for chemical, petrochemical, and marine applications, such as equipment components, storage tanks, and shipbuilding. They offer excellent formability, weldability, and machinability.

Application: Chemical, petrochemical, and marine applications.

Standards: ASTM A269, ASME SA269

Common Sizes:

– Outside Diameter: 1/4 inch – 12 inches (6.35 mm – 304.8 mm)
– Wall Thickness: 0.035 inch – 0.5 inch (0.89 mm – 12.7 mm)
– Length: 10 feet – 30 feet (3048 mm – 9144 mm)

Mechanical Properties:

– Tensile Strength: 80,000 psi (550 MPa)
– Yield Strength: 30,000 psi (205 MPa)
– Elongation at Break: 40%

Chemical Composition:

– Iron (Fe): 69-73%
– Chromium (Cr): 18-20%
– Nickel (Ni): 8-12%
– Manganese (Mn): 2% max
– Silicon (Si): 1% max
– Carbon (C): 0.08% max
– Phosphorus (P): 0.045% max
– Sulfur (S): 0.03% max
– Nitrogen (N): 0.1% max