Stainless Steel Seamless Pipe – Type 304L

Stainless Steel Seamless Pipe – Type 304L is a versatile and widely used material for various industries due to its excellent corrosion resistance, durability, and formability. Its low carbon content and chromium-nickel austenitic stainless steel alloy composition provide a high level of resistance to corrosion in oxidizing and reducing environments, making it suitable for harsh environments. The addition of nickel enhances its corrosion resistance and formability.

Standards:

– ASTM A312
– ASME SA312
– UNS S30403

Applications:

– Chemical processing equipment and tanks
– Food processing equipment and utensils
– Marine environments and hardware
– High-temperature applications
– Welded construction and assembly
– Heat exchangers
– Boilers
– Pressure vessels

Chemical Composition:

– Iron (Fe): 70.0%
– Chromium (Cr): 18.0-20.0%
– Nickel (Ni): 8.0-12.0%
– Manganese (Mn): 2.0%
– Silicon (Si): 1.0%
– Carbon (C): 0.035% (max)
– Phosphorus (P): 0.045%
– Sulfur (S): 0.030%

Mechanical Properties:

– Tensile Strength: 70-80 ksi (483-552 MPa)
– Yield Strength: 30-40 ksi (207-276 MPa)
– Elongation at Break: 40-50%
– Density: 0.285 lb/in (8.06 g/cm)

Common Sizes:

– Pipe Size: 1/4″-24″ (6.4-610 mm)
– Wall Thickness: 0.020-0.250 in (0.5-6.4 mm)
– Length: 20-40 ft (6-12 m)