OVALITY and TOLERANCES

There is a lot of confusion about how round a mechanical tube really is when received from the mill or even after grinding or honing operations. Tolerance and Ovality are two completely different topics. When discussing DOM or SSID tubing, the limits are defined in...

The Steel Supply Company Abbreviations

BAR SBQ: Special Bar Quality TGP: Turned Ground & Polished CDGP: Cold Drawn Ground & Polished Q&T: Quench & Temper BHN: Brinell Hardness Number HRc: Rockwell Hardness – C Scale HRb: Rockwell Hardness – B Scale PSQ: Pump Shaft Quality BSQ: Bearing Shaft...

The Steel Supply Company Sample Order Size

We often hear concerns over order quantities – especially when truck freight is involved. To give you an idea on how little is required for certain price brackets, here are samples of items required to reach a certain trucking break. 500# Order for Bars. 1 each...

The Steel Supply Company Who Makes it Happen!

Steel Supply is made up of a diverse group of people. All of us have the same goal – to process your order as soon as possible and get it on the way to you. OWNERSHIP: The ownership of Steel Supply has been with the same family since 1939. This stability allows us to...

The Steel Supply Company Induction Hardened Shafting

Steel shafts that have been induction hardened, also called case hardened, go by a variety of trade names. Electreat® is the registered trade name for a family of shafting materials that have been produced for extra service piston rods or linear bearing shafts. Over...

The Steel Supply Company Limitations of Inspection and Testing

The bars and tubes you order from The Steel Supply Company are probably the most inspected pieces of steel offered on the market today. While we have receiving inspections, in-process inspections, and final inspections, there remain limitations on the materials...