Ohio Seamless Tube  Company stock certificate 1929 (Shelby Ohio) - green preferred shares

Steel tube manufacturing. Plain cert but nameplate highlights the Shelby Ohio location. Issued and cancelled. Dated 1929. Small tear in top border. Measures approximately 12 x 8 inches. Green border. Preferred (shares) underprint.

The Ohio Seamless Tube Company was a manufacturer of seamless and electric-weld steel tubing with offices and works in Shelby, Ohio.

In 1890, the Shelby Steel Tube Co. was organized with a capital stock of $100,000. It was not until March, 1891, that the works were started up. On July 24th of that year, the first seamless cold-drawn steel tube was made in the United States. The occasion was a source of great local jubilation. Prior to this all the steel tubing used in this country was made in England.

In 1897, the Tube Works acquired some competing steel mills that were springing up around the county. Purchases continued over the next few years and many of the competing mills were closed, and their equipment was moved to Shelby. By 1900, The Shelby Steel Tube Company was the world's leading manufacturer of steel tubing. In 1909, Shelby Steel renamed itself to Ohio Seamless Tube company and filed the OSTUCO Shelby Ohio trademark.

Copperweld Steel Company acquired the Ohio Seamless Tube Company located in Shelby, Ohio in 1952 expanding its product line significantly. Over the next few decades Copperweld began a retrenchment of its activities in the Pittsburgh area.

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