304 and 304L stainless steel plates

304 and 304L stainless steel plates are part of the austenitic family of stainless steel and they are one of the most versatile and widely used varieties of stainless plate. They are a relatively low cost stainless product and used in a variety of applications. 304 grades have excellent low temperature properties and respond well to hardening by cold working. 304 stainless steel plate grades have good welding characteristics and post weld annealing is not normally required to restore performance. 304 SS plates have excellent corrosion resistance in a variety of different media. Typical specifications for 304 and 304L ss plates are ASTM A-240, ASME SA -240 and A666.

APPLICATIONS OF 304 STAINLESS STEEL PLATES

  • Food processing and handling
  • Heat exchangers
  • Chemical process vessels
  • Conveyors
  • Architectural
Typical Chemical Requirements
304 304L
Carbon, Max % 0.07 0.03
Manganese, Max % 2 2
Phosphorus, Max % 0.045 0.045
Sulphur, Max % 0.03 0.03
Silicon Max 0.75 0.75
Chromium range 17.5-19.5 17.5-19.5
Nickel range 8.0-10.5 8.0 – 12
Nitrogen Max 0.1 0.1
Mechanical Properties
304 304L
Tensile Min 75 ksi 70 ksi
Yield Min 30 ksi 25 ksi
Elongation Min 40% 40%
Hardness Max 95 HRB 95 HRB

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