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Stainless Steel 304, 304L, 304H,

These stainless steels are widely uses in the petrochemical and food industries due to their corrosion resistance tensile strength and ability to accomodate higher temperatures. There is a trade off between corrosion resitance and temperature characteristics according tto the specific grade.

304 / 304L

Generally regarded as 18/8 stainless steel due to nominal Chrome (18%) and Nickel Content (8%), this grade is associated with typical applications where environment corrosion is not a key factor.

This alloy has good welding characteristics and machining properties.

The lower the carbon content the more resistant material is to carbide precipitation at higher temperature. Typical applications include internal architectural, heat exchanger and food processing.

304H

Grade 304H is, in alloy terms, similar to 304, with a carbon content than 304 in the range of 0.040% minimum, to 0.080%. The higher carbon level increases strength when using in higher temperature applications such as pressure containing lines and vessels and often associated with Petrochemical applications.

This grade is normally certified with a grain size of No. 7 or courser. The grain size should be considered when the material is being formed to extremes.

Benefits of Stainless Steel 304H

The main benefits are:

  • Greater heat resistant properties
  • Higher tensile strength
  • Greater creep strength - both short and long

We have a wide range of forms - tube, pipe, fittings and flanges available for immediate despatch from our warehouse in Fareham.

Stainless 304, 304H, 304L Forms Available

  • Tube
  • Pipe
  • Fittings
  • Flanges
  • Special Sections
  • Sheet
  • Plate
  • Flat Bar
  • Round Bar
  • Hollow Bar
  • Angles
  • i Beam
  • U Channel
  • Hollow Section

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