HIGH-STRENGTH STRUCTURAL STEEL

Brand Owner (click to sort) Address Description
C64 QuesTek Innovations LLC 1820 Ridge Ave.
Evanston IL 60201
high-strength structural steel
M54 QuesTek Innovations LLC 1820 Ridge Ave.
Evanston IL 60201
high-strength structural steel
 

Where the owner name is not linked, that owner no longer owns the brand

   
Technical Examples
  1. A lead-free steel for machine structural use with excellent machinability and low strength anisotropy, which does not contain Pb and is equal to or higher than a conventional Pb-containing free cutting steel in properties, is provided. This steel includes, on the weight basis, C: 0.10 to 0.65%; Si: 0.03 to 1.00%; Mn: 0.30 to 2.50%; S: 0.03 to 0.35%; Cr: 0.1 to 2.0%; Al: less than 0.010%; Ca: 0.0005 to 0.020%; Mg: 0.0003 to 0.020%; O: less than 20 ppm; and the balance being Fe and inevitable impurities.