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The Steel Supply Company Abbreviations

March 24th, 2014 | Posted by David Sheer in Steel


  • 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 Quality
  • PH: Precipitation Hardened


  • DOM: Drawn Over Mandrel
  • CDSM: Cold Drawn Seamless Mechanical
  • HFSM: Hot Finish Seamless Mechanical
  • ERW: Electric Resistance Welded
  • I.D.: Inside Diameter
  • O.D.: Outside Diameter
  • CDBW : Cold Drawn Butt Welded
  • HSS: Hollow Structural Section
  • PVQ: Pressure Vessel Quality
  • SRA: Stress Relief Anneal

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