Steel Connection Design Calculator

Design bolt and weld connections for steel structures. Calculate shear, bearing, weld capacity, block shear, and net section checks with real-time utilization feedback.

EN 1993-1-8 · AISC 360 · AS 4100

Design Forces

Design Standard

Shear V (kN)

Axial N (kN)

Moment M (kNm)

Members & Plate

Beam Section

Column Section

Steel Grade

Fin Plate

Thick (mm)

Depth (mm)

Width (mm)

Bolt Configuration

Bolt Diameter

Bolt Grade

Bolt Rows

Bolt Columns

Pitch (mm)

Gauge (mm)

Edge Distance (mm)

End Distance (mm)

Threads in Shear Plane

Weld Configuration

Weld Type

Leg Size (mm)

Electrode

Web Weld Length (mm)

Connection Diagram

99%

Overall Utilization

Governing Mode

Bolt Bearing — 99%

PASS

Design Checks

Bolt Shear78%

Bolt Bearing99%

Weld28%

Plate Gross Shear38%

Block Shear76%

Net Section0%

Connection Capacity

V = 151.5 kN