How to Guide

The technical content of this literature is eective 6/6/14 and supersedes all previous information. The technical content of this literature is eective 4/9/15 and supersedes all previous information. Pub. No. CD-ProSTUD 4/15
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PHYSICAL AND STRUCTURAL PROPERTIES
ClarkDietrich ProSTUD 20 (19mil) physical and structural properties
ClarkDietrich ProTRAK 20 (19mil) physical and structural properties
Notes:
– Calculated properties are based on AISI S100-07, North American Specification for Design of Cold-Formed Steel Structural Members and AISI S220-11, North American Standard for
Cold-Formed Steel Framing—Nonstructural Members.
– Effective properties incorporate the strength increase from the cold work of forming as applicable per AISI A7.2.
– Tabulated gross properties, including torsional properties, are based on full-unreduced cross section of the studs, away from punchouts.
– Tabulated gross properties, including torsional properties, are based on full-unreduced cross section of the tracks.
– For deflection calculations, use the effective moment of inertia.
– Allowable moment includes cold work of forming.
– Allowable moment is taken as the lowest value based on local or distortional buckling. Distortional buckling strength is based on a k-phi = 0.
– Web depth for track sections is equal to the nominal height plus two times the design thickness plus the bend radius. Hems on nonstructural track sections are ignored.
1 Web-height to thickness ratio exceeds 200. Web stiffeners are required at bearing points.
2 Web-height to thickness ratio exceeds 260. Web stiffeners are required at bearing and intermediate points.
Member
Design
thickness
(in)
Fy
(ksi)
Gross Section Properties Effective Section Properties at Fy Torsional Properties
Area
(in
2
)
Weight
(lb/ft)
Ix
(in
4
)
Rx
(in)
Iy
(in
4
)
Ry
(in)
Ae
(in
2
)
Ix
(in
4
)
Sx
(in
3
)
Ma
(in-lbs)
Vag
(lb)
Jx1000
(in
4
)
Cw
(in
6
)
Xo
(in)
Ro
(in)
β
Beta
162PDT125-19 0.0200 50 0.082 0.28 0.043 0.719 0.014 0.411 0.031 0.028 0.024 718 421 0.01099 0.007 -0.879 1.207 0.470
250PDT125-19 0.0200 50 0.100 0.34 0.108 1.039 0.016 0.400 0.032 0.078 0.038 1136 289 0.01333 0.018 -0.769 1.353 0.677
362PDT125-19 0.0200 50 0.122 0.42 0.249 1.426 0.018 0.380 0.032 0.191 0.055 1650 199 0.01633 0.043 -0.666 1.619 0.831
400PDT125-19 0.0200 50 0.130 0.44 0.312 1.551 0.018 0.374 0.032 0.232 0.061 1822 180 0.01733 0.054 -0.638 1.718 0.862
600PDT125-19
2
0.0200 50 0.170 0.58 0.819 2.195 0.020 0.342 0.032 0.508 0.091 2717 119 0.02266 0.137 -0.523 2.282 0.948
162PDT200-19 0.0200 50 0.112 0.38 0.064 0.754 0.049 0.662 0.031 0.034 0.024 707 421 0.01499 0.026 -1.576 1.868 0.288
250PDT200-19 0.0200 50 0.130 0.44 0.157 1.099 0.057 0.661 0.032 0.094 0.037 1119 289 0.01733 0.066 -1.429 1.920 0.446
362PDT200-19 0.0200 50 0.152 0.52 0.351 1.517 0.064 0.647 0.032 0.205 0.055 1651 199 0.02033 0.152 -1.280 2.088 0.624
400PDT200-19 0.0200 50 0.160 0.54 0.436 1.651 0.066 0.642 0.032 0.251 0.061 1829 180 0.02133 0.191 -1.238 2.161 0.672
600PDT200-19
2
0.0200 50 0.200 0.68 1.094 2.339 0.074 0.607 0.033 0.580 0.093 2780 119 0.02666 0.485 -1.056 2.637 0.840
162PDT250-19 0.0200 50 0.132 0.45 0.078 0.768 0.090 0.823 0.031 0.037 0.023 698 421 0.01766 0.048 -2.055 2.343 0.231
250PDT250-19 0.0200 50 0.150 0.51 0.190 1.125 0.103 0.830 0.032 0.099 0.037 1113 289 0.01999 0.121 -1.890 2.351 0.354
362PDT250-19 0.0200 50 0.172 0.59 0.419 1.558 0.117 0.822 0.032 0.213 0.055 1649 199 0.02299 0.278 -1.718 2.461 0.513
400PDT250-19 0.0200 50 0.180 0.61 0.518 1.697 0.120 0.818 0.032 0.261 0.061 1829 180 0.02399 0.348 -1.668 2.517 0.561
600PDT250-19
2
0.0200 50 0.220 0.75 1.278 2.410 0.136 0.786 0.033 0.605 0.093 2788 119 0.02933 0.881 -1.450 2.920 0.754
ProTRAK
®
20 DRYWALL TRACK
ClarkDietrich ProSTUD 20 (19mil) physical and structural properties
Member
Design
thickness
(in)
Fy
(ksi
)
Gross Section Properties Effective Section Properties at Fy Torsional Properties
Lu
(in)
Area
(in
2
)
Weight
(lb/ft)
Ix
(in
4
)
Rx
(in)
Iy
(in
4
)
Ry
(in)
Ae
(in
2
)
Ix
(in
4
)
Sx
(in
3
)
Ma
(in-lbs)
Vag
(lb)
Vanet
(lb)
Jx1000
(in
4
)
Cw
(in
6
)
Xo
(in)
Ro
(in)
β
Beta
162PDS125-19 0.0200 65 0.090 0.31 0.042 0.685 0.020 0.466 0.042 0.037 0.031 1193 473 165 0.01197 0.012 -1.096 1.374 0.364 22.0
250PDS125-19 0.0200 65 0.109 0.37 0.112 1.017 0.024 0.467 0.046 0.104 0.061 2110 299 226 0.01449 0.032 -0.992 1.495 0.560 22.2
362PDS125-19 0.0200 65 0.132 0.45 0.266 1.420 0.027 0.454 0.048 0.254 0.080 3103 203 189 0.01757 0.072 -0.876 1.729 0.743 22.1
400PDS125-19 0.0200 65 0.140 0.48 0.336 1.550 0.028 0.451 0.050 0.316 0.091 3537 184 184 0.01865 0.092 -0.851 1.825 0.783 22.2
600PDS125-19
2
0.0200 65 0.181 0.62 0.892 2.220 0.033 0.425 0.051 0.727 0.158 5421 121 121 0.02414 0.236 -0.723 2.373 0.907 21.9
ProSTUD
®
20 DRYWALL STUD
5