Steel Connection Design Software

For AISC 360 and Eurocode Easy Modelling, Clear Results
For AISC 360: Integrated with S3D, Easy Modelling, Clear Results
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Structural Steel Connection Design

SkyCiv Structural Steel Connection Design software offers prescriptive design calculations and checks as per the AISC 360-10 design code, for both ASD and LRFD as well as Eurocode 3 Design Standards. The structural design software is completely cloud-based, so there's nothing to download or install, and is run right from within your browser. Eurocode Connection Design and AISC Connection Design, right from your browser.

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Powerful Structural Analysis And Design
Design Connections with AISC 360
Integrated Design Standards
Integrated Section Builder
Plates, Cables and Buckling

Design Connections with AISC 360 & EN3

The SkyCiv structural steel connection design software has the following great features:

  • Range of connection types, including W-W and HSS-W standard connections
  • Full 3D rendering to show bolts, plates and sections
  • Prescriptive AISC 360 and Eurocode 3 checks for Shear and Moment Calculations
  • Professional Drawings
  • Export file as CAD (STEP) 3D model
  • Clear summary of design results with green and red pass/fail results
  • Detailed documentation with videos and tutorials on how to use the software.
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Integrated with SkyCiv Structural 3D

All your connections forces and member properties are automatically imported into the SkyCiv Connection module - so you can view your model and connections at the same time.

  • Connections display on the graphical interface
  • Forces automatically imported from structural analysis model
  • Supports load combinations from ASCE 7-10, AS 1170, EN1 and CSA
  • Changes to your analysis model are auto-adjusted within the design module
  • Class and group steel connections together, to complete one design for multiple connections
  • Review all Connection Designs in 3D model with green/red/yellow result summaries
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Powerful Graphics

Review your 3D model so you can see the various parts of the model in 3D space. The Connection Design module will also generate a full CAD file for you to export or send off to the draftsperson for final drawings. Don't have CAD? You can produce drawings directly from within the SkyCiv Connection Design module!

  • Generate full CAD files (STEP) with bolt, plate and member connection assemblies
  • Produce clear drawings directly from the module
  • Clear and easy 2D references for user input
  • Full 3D rendering display with wireframe and viewing settings
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Full Calculation Reporting

SkyCiv Connection Design reports in the form of a summary report and a comprehensive calculations report. No more guesswork into what the software is calculating, these detailed professional reports show the step by step calculations including:

  • References to relevant chapters and checks (for both AISC 360 & Eurocode 3)
  • Custom Company logo and model setup information
  • Detailed calculations of all checks
  • Relevant assumptions and failure criteria
  • Clear pass/fail summary results
  • Download Sample Shear Connection Design Calculation Report
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100% Online

SkyCiv structural design software is all on the cloud, which means you can get instant access simply through a web browser. There is nothing to download, install or maintain. Simply login to your SkyCiv Account and visit the software directly. Online structural analysis software has a range of benefits over traditional software:

  • Instant access - there's nothing to download, no installation and no license keys
  • Updates are automatically rolled out to the user
  • Access your files and software from anywhere at anytime
  • Fully compatible on PC, MAC, tablets and mobile devices
  • Reduces the clutter on your computer
  • No IT requirements

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Connection Design for Steel Structures

Shear Connections

  • Single Angle (all bolted or all welded)
  • Single Angle (bolted/welded)
  • Double Plate (all bolted or all welded)
  • Double Plate (bolted/welded)
  • Single Plate (welded/bolted)
  • Single Plate (all welded)
  • Double Plate (welded/bolted)
  • Double Plate (all welded)
  • Single WT (all welded or welded/bolted)
  • Single Seat

Moment Connections

The following Moment Connections are supported under EN 3 and AISC 360-10 ASD and LRFD design provisions:

  • Welded Flanges
  • Flange Plate (Bolted/Welded)
  • Flange Plate (All Welded)
  • Through Plate
  • Collared Plate
  • Double WT (all welded or welded/bolted)
  • Directly Welded

HSS Connections

SkyCiv Connection Design can design the following HSS to W shape connections under AISC and Eurocode Design Standards:

  • Single Seat Connections
  • Single Angle (all bolted or all welded or welded/bolted)
  • Double Angle (all bolted or all welded or welded/bolted)
  • Single Plate (all welded or welded/bolted)
  • Single WT (all welded or welded/bolted)
  • Through Plate
  • Cutout/Collared Plate
  • Double WT (all welded or welded/bolted)
  • Directly Welded


SkyCiv Connection Design is fully integrated with SkyCiv Structural 3D - our fully featured, powerful structural analysis software:

  • Run Connection Design Checks with a single Click
  • Integrated load combinations from ASCE 7-10, EN1990, AS1170 plus more
  • Loads, Combinations, Sections and Materials automatically imported
  • Multiple analysis solvers, including buckling and non-linear analysis
  • View successfully checked connections on your model with green, yellow and red results
  • List of connection design results and summaries
  • Export STEP file to import directly into CAD


Faster, Easier and All-in-One.
No Installations. No Lock-ins.

Save thousands of dollars in expensive installation and ongoing maintenance. Flexible pricing, pay for what you need.

Easy Modelling

Speed up your structural modelling with easy-to-use features. Model your structure faster and easier.

Collaborate and Share

Share and collaborate on models with your team in real-time, easily control user permissions and access, and more.

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Case Studies

Tried and Tested by Real Engineers around the World
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Mitch was tasked with re-evaluating all of the original members and coming up with a cost effective solution to increase the efficiency of the air cool condenser..

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Located in rural North Yorkshire in England, this unique project with it’s “three-sided glazing” design was considered a large residential luxury development.

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SkyCiv Software Design Case Study


The Dream Machine is a three-story children’s climbing structure in Washington DC. The creative idea came from Gyroscope Studios of Oakland, California.

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SkyCiv KipCon testimonial
“The ease of use and the presentation of the results are both awesome. I have had ongoing interaction with the support team and everyone is excellent!”
Mitch Frumkin, CEO of Kipcon
SkyCiv TexasAM University Software Testomonial

It is used for various civil and mechanical engineering courses and the students love it. We are happy with the continuous updates to SkyCiv as well, highly recommended.

Dr Kenneth R. Leitch, Assoc. Prof. Texas A&M
SkyCiv StructSure testimonial

“It was easily the most intuitive package available to learn; it is particularly easy to build the 3D model and define nodes, members, supports, materials, sections, then apply loads & combinations.”

Stuart Agars, Managing Director of Struct-Sure Limited

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