Alro Steel was established in 1948 by Al and Robert Glick and has grown to include Alro Plastics, Alro Industrial Supply and Alro Metals Outlet.
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A519 HF Seamless 4140 Alloy Round Tubing

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A519 HF Seamless 4140

A519 HF Seamless 4140 Alloy Round Tubing

Alro stocks A519 4140 Alloy Round Tubing. This is a hot finished seamless (HFS) tube that is a lower-cost alternative to cold drawn seamless (CDS) tube. A519 4140 Alloy is a good material for applications that do not require the close dimensional tolerances and/or the high quality of surface finish that CDS tube provides. If tight tolerances are required, A519 4140 can be machined to exact specifications. In general, HFS is used for products that require a thicker wall and a high strength material such as hydraulic cylinders, rollers and sleeves. HFS tubing is manufactured to outside diameter (OD) and wall thickness (WT) dimensions.


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Properties
General Characteristics of A519 4140 HF Seamless Tube:
  • Compared to cold drawn this is a hot rolled product that has thicker walls
  • Ideal for high pressure applications
  • Machines well
  • Low cost alternative to cold drawn seamless tube
Typical Uses
4140 HFS tubes are for high pressure and heavy duty applications that require strength. They are used in a broad range of applications, including:
  • Hydraulic cylinders
  • Drilling equipment
  • Bushings
  • Spacers
  • Axles
  • Rollers
  • Sleeves