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304L Stainless Steel Pipe & Tube

Stainless steel 304L is available in from inventory in seamless pipe, seamless tube, welded tube and welded pipe. We can provide 304L welded pipe and tube up-to 120″ diameter with reduced lead times.

 

General Properties

Alloy  304L stainless steel is in the austenitic family, which has a minimum of 18% chromium and 8% nickel. Type 304L has a carbon maximum is 0.030. Alloys 304L is the most commonly used 300 series stainless.

Specifications:  UNS S30403

Applications:

Stainless Steel 304L Stainless tubular products are used in a number of applications including:

  • Chemical Processing
  • Petrochemical Industry
  • Food Processing
  • Architectural applications

Standards:

  • ASTM/ASME:  S30403
  • EURONORM:  1.4303
  • AFNOR:  Z2 CN 18.10
  • DIN:  X2 CrNi 19 11

Chemical Properties:

C Mn Si P S Cr Ni N
304L 0.03max 2.0max 0.75max 0.45max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 12.0 0.10 max

Mechanical Properties:

Grade Tensile Strength ksi (min) Yield Strength 0.2% ksi (min) Elongation % Hardness (Brinell) MAX Hardness (Rockwell B) MAX
304L 70 25 40 201 92

Physical Properties:

Density
lbm/in3
Thermal Conductivity
(BTU/h ft. °F)
Electrical
Resistivity
(in x 10-6)
Modulus of
Elasticity
(psi x 106
Coefficient of
Thermal Expansion
(in/in)/
°F x 10-6
Specific Heat
(BTU/lb/
°F)
Melting
Range
(°F)
at 68°F: 0.285 9.4 at 212°F 28.3 at 68°F 28 9.4 at 32 – 212°F 0.1200 at 68°F to 212°F 2500 to 2590
12.4 at 932 °F 39.4 at 752°F 10.2 at 32 – 1000°F
49.6 at 1652 °F 10.4 at 32 – 1500°F

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