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Strong-Link™ Moment Connection (SLMC)

The Strong-Link™ moment connection (SLMC) is engineered with strength and convenience in mind.  Specifically designed for wind-governed areas, including seismic design categories A, B, and C, the high-strength SLMC streamlines the design process for specifiers and steel contractors. This fully bolted solution eliminates the need for field welding, reducing labor and inspection costs and speeding up installation. The SLMC is field-adjustable, ensuring optimal alignment at the connection interface between the beam and column.

Key Features

  • Specifically designed for wind-governed designs, including seismic categories A, B or C
  • Fully bolted connection eliminates the need for onsite welding, reducing labor and inspection costs
  • Accelerated fit-up enabled by a bolted design with oversized holes at the flange for greater adjustability
  • No licensing fee
  • Streamlined design process with quick and easy specification using intuitive design tables
  • Software tools offering complete detailing solutions
  • Readily available for delivery and quicker project completion

Related Literature

Load Tables

S_SLMC_ProdIll_Ill_Prod_StrongLinkMomentConnection-DesignGuide-MultiView_CY.png

Strong-Link Moment Connection General Information

Strong-Link Model No. Design Information Geometry
ASD LRFD Keff Stem Flange Notch
Pn,Link ϕPn,Link LLink tstem sc gstem bflange hflange tflange sflange gflange anotch bnotch
kips kips kip/in. (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.) (in.)
SLMC100-3.5 66.8 100 11,080 11 1/2 0.550 4 1/2 3 1/2 8 6 1/2 0.980 5 4 3/8 1 9/16 2 7/8
SLMC100-5 5
SLMC162-3.5 108 162 15,080 15 1/8 0.670 5 3 1/2 8 7 3/8 1.220 5 1/4 5 1 9/16 2 7/8
SLMC162-5 5
SLMC243-4 161 243 16,820 16 3/8 0.765 6 4 10 8 1/4 1.260 5 3/4 5 1/2 1 9/16 3
SLMC243-5.5 5 1/2
SLMC334-4.5 223 334 18,830 19 1/2 1.030 6 4 1/2 10 9 1/2 1.810 6 1/4 6 1/4 1 5/8 3
SLMC334-5.5 5 1/2
  1. Bolts are not included with the SLMC.
  2. For detailed beam member sizes corresponding to SLMC models, please refer to the SLMC Design Guide

Strong-Link Moment Connection Bolting Requirements

Strong-Link Model No. Bolt Information
Bolt Size and Grade Location No. of Bolts Bolted Joint Type
SLMC100 3/4"
A325
Link Flange 4 Snug-Tight
Link Stem 6
SLMC162 7/8"
A325
Link Flange 4 Snug-Tight
Link Stem 8 Pretensioned
SLMC243 1"
A490
Link Flange 4 Pretensioned
Link Stem 8
SLMC334 1 1/8"
A490
Link Flange 4 Pretensioned
Link Stem 10
  1. Follow RCSC for pretensioning methods and washer requirements.

Code Reports & Compliance

Drawings

PDF DWG DXF RFA IFC SAT