Post-Tensioning High Strength Bar Systems

Last edit date: 3/21/2019

ASTM A722 Grade 150ksi

Supplier Bar Size(Nominal) System Name Authorization Number
DYWIDAG-Systems International1" 1" Ø (26mm) DYWIDAG Threadbar® Grade 150 HS070114
1-1/4" 1-1/4" Ø (32mm) DYWIDAG Threadbar® Grade 150 HS070314
1-3/4" 1-3/4" Ø (46mm) DYWIDAG Cold-Rolled Threadbar® Grade 150 HS031014
1-3/4" 1-3/4" Ø (46mm) DYWIDAG Hot-Rolled Threadbar® Grade 150 HS030219
1-3/8" 1-3/8" Ø (36mm) DYWIDAG Threadbar® Grade 150 HS070714
2-1/2" 2-1/2" Ø (66mm) DYWIDAG Threadbar® Grade 150 HS070914
3" 3" Ø (75mm) DYWIDAG Threadbar® Grade 150 HS070814
Schwager Davis Incorporated1.38" SDI 1.38" Multi-Plane Bar Anchorage System (3,500psi) HS011614
1.75" SDI 1.75" Multi-Plane Bar Anchorage System (3,500psi) HS052814


  1. A unique Authorization Number has been assigned to each bar system. The supplier shall inform the California Department of Transportation ("Caltrans") of any revisions made to component drawings which would necessitate issuance of a new Authorization Number, otherwise Caltrans may revoke the prequalification of a bar system and remove it from this list.
  2. Caltrans takes no position regarding the validity of any intellectual property rights asserted in connection with any system on this list. Users of this list are solely responsible for determining the validity of any such intellectual property rights.
  3. This table was prepared to provide a reference source for prestressing bar systems currently authorized for use by Caltrans. Caltrans assumes no liability or responsibility for the accuracy or validity of this information if used by other entities.

Caltrans contact: AML Management and System Testing-METS,