Finkl 4140 Datasheet

Wrought Low Carbon Steel

Supplied by A. Finkl & Sons Co.

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Product Description
Finkl 4140 is a high strength, low alloy steel, suitable for certain nondecorative, noncritical plastic molds that do not require the polish or the very fine texturing and/or etching standards of the P-20 type of material.
Supplied in the pre-hardened condition, approximately 300 Brinell.
Finkl 4140 is produced exclusively by the Finkl patented VAD process, providing the most homogeneous structure and maximum machinability.
Finkl 4140 is always wide die forged steel with a minimum of 4 to 1 reduction of area.
Finkl 4140 is 100% ultrasonically examined.
Material Status 
  • Commercial: Active
  • Asia Pacific
  • Europe
  • Latin America
  • North America
Available Documents
Technical Datasheet (English)
Metals General
Nominal Value
Metal Type
Metals Type Analysis
Nominal Value
Type Analysis
Metals Mechanical
Nominal Value
Hardness (HB-Scale)
1Typical properties: these are not to be construed as specifications.
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