HRP&O Carbon Steel - SendCutSend

HRP&O (Hot Rolled Pickled & Oiled) Mild Steel

HRP&O is commercial mild steel, found in most industries as it offers good weldability and machinability. HRP&O steel is much smoother and easier to finish than cheaper "mill finish hot roll" that most steel centers sell. Anyone who has ever tried to remove mill scale from some cheap angle iron will know what we're talking about.

The pickling process removes the scale from the hot rolled steel surface resulting in a clean, uniform surface. After the scale is removed, an oil film is applied to guard against rust.

We also offer standard hot rolled carbon steel in .059", .074" and .119". This is our favorite metal for signage and decorative pieces. It has a beautiful blue/gray finish and contrasts well with the other metals we carry.


Available Thickness Chart

Gauge # Inches Millimeters HRP&O Hot Rolled
16 .059 1.5  
11 .119 3.02  
7 .188 4.8  
4 .250 6.3  
00 .375 9.53  
  .500 12.7  
  .625 15.875  

Hot rolled steel is cut using oxygen as an assist gas, so some slight oxidation may be present on cut edges. Oxidation is easily removed using muriatic acid or mechanical methods such as a wire brush or tumbler.

Please Note:
Due to manufacturing variables, your parts may have small cosmetic imperfections/scratches. If you require a cosmetically-perfect finish, additional processing is available for a fee. Contact us at or make a note on your order to discuss options.