Introducing

Atlas Tube HSS Connections Hub

Design more efficient and fabrication-friendly HSS connections. The HSS Connections Hub empowers engineers, fabricators and detailers with complimentary tools and expert support to better leverage the advantages of HSS.

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HSS Connections Hub

Typical Details
Download fabrication-friendly details (PDF, DWG, RVT).
Calculators
Replace outdated highly customized spreadsheets.
Expert Support
Our structural engineers are available to help you.
 

Tap the full potential of HSS with efficient connection designs

  • Optimized HSS connection designs
  • Calculations updated in real-time based on user inputs
  • Eliminate outdated and highly customized spreadsheets
  • Each calculator clearly outlines every step of the calculation with references to formulas, conditional checks, and building codes
  • Available for AISC (USA) and CISC (Canada) design standards
  • Easy collaboration–create and share designs with your project team inside the HSS Connection Hub or easily export files
Watch the video
 

Set up a complimentary HSS Connections Hub account today!

 

HSS Connections Hub Walkthrough

Take a tour of the HSS Connections Hub with one of our engineering experts, Ted Goldstein. Ted shows how to navigate the hub and explains how to:

  • Start a new connection design
  • Enter parameters for calculations
  • Review calculations, utilization percentages and code references
  • Export a detailed or summary report
Take the tour
 

HSS Connections Hub – Connection Listing (March 10, 2026)

Available for USA (AISC) and Canada (CISC) Standards

 

WF To HSS Shear Connections HSS to HSS Shear Connections WF to HSS Moment Connections  HSS to HSS Moment Connections
Double Angle End Plate Beam Over HSS Column Field-Welded
Simple Beam On Cap Plate End Plate Side Angles WT Field-Welded Seated
Single Angle Field-Welded Wrap-Around Fin Plate
Single-Plate Hidden Diaphragm Plate Stiffened Seat
Stiffened Seated Unstiffened Seated Diaphragm Plate & Splice Stiffened Seat (WT)
Through-Plate Coped Beam Flange Plate Round HSS to HSS Moment Seated
Unstiffened Seated Double Shear Tab Round Diaphragm Plate Round HSS to HSS Moment Fin Plate
WT Exterior Plates Round Flange Plate
Round Single-Plate Single Plate Round Wrap-Around
Through-Plate Through Bolt & Coped Beam
Round Shear Single Plate
       
HSS to WF Shear Connections HSS to WF Moment Connections HSS Steel Base Plate Connection Concrete-Filled HSS Moment Connections
Bolted-Double Angle Fin Plate Base Plate HSS to HSS
End Plate Stiffened Seat WF to HSS
       
HSS to HSS Splice Connections HSS Truss Connections Chevron Bracing Connections Column Bracing Connections
Single-Shear Auto-determine Truss Type (T, K, Y, X) Calculator Symmetrical Bolted Chevron Bracing Bolted Column Bracing (1, 2, and 4-sided)
Double-Shear Y-Connection Symmetrical Welded Chevron Bracing Welded Column Bracing (1, 2, and 4-sided)
Single-Shear Exterior Gapped Rectangular K-Connection Two-Sided Welded Chevron Bracing
End-Plate Gapped Round K-Connection
Round End-Plate Overlapped Rectangular K-Connection
Single-shear Field-Welded External Overlapped Round K-Connection
Directly Welded PJP Rectangular KT-Connection
Round Welded PJP Rectangular T-Connection Moment Out of Plane
Rectangular T-Connection Moment in Plane
Rectangular X-Connection
Rectangular X-Connection Moment Out of Plane
Rectangular Y-Connection
Round X-Connection Moment in Plane
 

Tools & Resources

HSS vs. WF Comparison Tool

Calculate the savings. Make the switch.

Calculate the savings

Axial Load Calculator

See which size HSS is best for your project.

Calculate capacity

Webinars

View recorded webinars related to the HSS Connections Hub.

Watch here