Side-by-Side Comparison
Structural & HVAC
Concrete Anchors vs. Structural Steel Shapes
Comparing 2 standards across 17 specifications. 17 key differences identified.
Comparing:
Concrete Anchors
Structural Steel Shapes
Heavy-duty concrete anchors are categorized into mechanical expansion anchors (Wedge and Sleeve), drop-in anchors, and concrete screws (Tapcons), specified by drill bit diameter, minimum embedment depth, and tensile pullout / shear load capacities.
AISC structural steel profiles standardize hot-rolled structural members including Wide Flange I-Beams (W-Shapes e.g. W8×10 = 8" nominal depth, 10 lb/ft), American Standard Beams (S-Shapes), Channels (C-Shapes), Hollow Structural Sections (HSS), and Angles (L-Shapes).
Specification Comparison Table
17 Parameters| Parameter / Spec | ||
|---|---|---|
|
Governing Code
|
ACI 318-19 Chapter 17 Anchoring to Concrete / ICC-ES Acceptance Criteria | — |
|
Wedge Anchor Drill Rule
|
Drill bit diameter MUST match nominal anchor diameter (e.g. 1/2" bit for 1/2" wedge anchor) | — |
|
Tapcon Screw Drill Rule
|
Drill bit is 1/16" smaller than screw dia (e.g. 5/32" bit for 3/16" Tapcon; 3/16" bit for 1/4" Tapcon) | — |
|
1/4" × 3-1/4" Wedge Anchor
|
Min Embed: 1.125 in | Tensile: 1,800 lbs | Shear: 1,600 lbs in 4,000 psi concrete | — |
|
3/8" × 3-3/4" Wedge Anchor
|
Min Embed: 1.625 in | Tensile: 3,400 lbs | Shear: 3,200 lbs in 4,000 psi concrete | — |
|
1/2" × 4-1/4" Wedge Anchor
|
Min Embed: 2.250 in | Tensile: 5,600 lbs | Shear: 5,100 lbs in 4,000 psi concrete | — |
|
5/8" × 6" Wedge Anchor
|
Min Embed: 2.750 in | Tensile: 7,800 lbs | Shear: 8,200 lbs in 4,000 psi concrete | — |
|
3/4" × 7" Wedge Anchor
|
Min Embed: 3.250 in | Tensile: 11,200 lbs | Shear: 12,500 lbs in 4,000 psi concrete | — |
|
Substrate Suitability
|
Wedge anchors: Solid poured concrete ONLY (Never use in hollow CMU cinder block or brick) | — |
|
Governing Standards
|
— | AISC 360 / ASTM A6/A6M / ASTM A992 (Grade 50 steel) |
|
W-Shape Designation Code
|
— | W [Nominal Depth in Inches] × [Weight in Pounds per Linear Foot] |
|
W8 × 10 (Residential Light Beam)
|
— | Depth: 7.89 in (200 mm) | Flange Width: 3.94 in | Weight: 10.0 lb/ft | Area: 2.96 sq in |
|
W8 × 18 (Standard Basement Beam)
|
— | Depth: 8.14 in (207 mm) | Flange Width: 5.25 in | Weight: 18.0 lb/ft | Area: 5.26 sq in |
|
W10 × 22 (Common Floor Girder)
|
— | Depth: 10.17 in (258 mm) | Flange Width: 5.75 in | Weight: 22.0 lb/ft | Area: 6.49 sq in |
|
W12 × 26 (Heavy Residential / Light Comm)
|
— | Depth: 12.22 in (310 mm) | Flange Width: 6.49 in | Weight: 26.0 lb/ft | Area: 7.65 sq in |
|
HSS (Hollow Structural Sections)
|
— | Square & Rectangular structural tubing e.g. HSS 4×4×1/4 (4" sq, 0.25" wall, 12.21 lb/ft) |
|
Equal Leg Angle (L-Shape)
|
— | L [Leg 1] × [Leg 2] × [Thickness] e.g. L 3×3×1/4 (Lintel / Bracing) |