MT4x3.1 – MT Shapes

MT4x3.1 is a tee 4 in (102 mm) deep with a 2.28 in (58 mm) flange, weighing 3.1 lb/ft (4.6 kg/m).

MT shapes are structural tees split from M shapes, carrying the lighter weights and smaller sizes available in the M series. They serve the same general purpose as WT shapes — truss chords, light built-up sections, and miscellaneous fabrications — wherever a lighter, smaller tee section is more appropriate than one cut from a full-size W shape.

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Dimensions

PropertyValue
Nominal Weight (lb/ft)3.1
Depth of Section (in)4.0
Width of Section (in)2.28
Web Thickness (in)0.129
Flange Thickness (in)0.177
Kdet Dimension (in)0.4375

Full sortable table: Dimensions table for this family

Section Properties

PropertyValue
Ix (in⁴)1.5
Zx (in³)0.967
Sx (in³)0.533
rx (in)1.29
Iy (in⁴)0.176
Zy (in³)0.247
Sy (in³)0.154
ry (in)0.441
J (in⁴)0.00778
Cw (in⁶)0.00403
ro (in)1.75
H (-)0.608

Full sortable table: Section properties table for this family