Full Product Manual
The technical content of this literature is eective 2/19/19 and supersedes all previous information. The technical content of this literature is eective 2/19/19 and supersedes all previous information. Pub. No. CD-ProSTUD 2/19
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PHYSICAL AND STRUCTURAL PROPERTIES
ClarkDietrich ProSTUD 20 (18mil) physical and structural properties
ClarkDietrich ProTRAK 20 (18mil) physical and structural properties
Notes:
– Calculated properties are based on AISI S100-12, North American Specification for Design of Cold-Formed Steel Structural Members and AISI S220-15, 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.
2 Web-height to thickness ratio exceeds 260.
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
162PDT125-18 0.0190 50 0.078 0.27 0.040 0.718 0.013 0.411 0.028 0.027 0.022 663 380 0.00943 0.007 -0.879 1.207 0.470
250PDT125-18 0.0190 50 0.095 0.32 0.102 1.038 0.015 0.400 0.029 0.073 0.034 1029 248 0.01143 0.017 -0.770 1.353 0.676
362PDT125-18 0.0190 50 0.116 0.40 0.236 1.426 0.017 0.380 0.029 0.173 0.050 1497 170 0.01400 0.041 -0.666 1.619 0.831
400PDT125-18 0.0190 50 0.123 0.42 0.297 1.550 0.017 0.374 0.029 0.211 0.055 1653 154 0.01486 0.051 -0.638 1.718 0.862
600PDT125-18
2
0.0190 50 0.161 0.55 0.778 2.195 0.019 0.342 0.029 0.469 0.083 2473 102 0.01943 0.130 -0.523 2.282 0.947
162PDT200-18 0.0190 50 0.107 0.36 0.061 0.753 0.047 0.662 0.028 0.032 0.021 642 380 0.01285 0.024 -1.577 1.869 0.288
250PDT200-18 0.0190 50 0.123 0.42 0.149 1.099 0.054 0.661 0.029 0.088 0.034 1016 248 0.01486 0.063 -1.429 1.920 0.446
362PDT200-18 0.0190 50 0.145 0.49 0.333 1.517 0.061 0.648 0.029 0.188 0.050 1500 170 0.01743 0.145 -1.280 2.088 0.624
400PDT200-18 0.0190 50 0.152 0.52 0.414 1.651 0.063 0.642 0.029 0.230 0.055 1661 154 0.01828 0.181 -1.238 2.161 0.672
600PDT200-18
2
0.0190 50 0.190 0.65 1.039 2.339 0.070 0.607 0.030 0.532 0.084 2525 102 0.02286 0.461 -1.057 2.637 0.840
162PDT250-18 0.0190 50 0.126 0.43 0.074 0.767 0.085 0.823 0.028 0.035 0.021 635 380 0.01514 0.045 -2.056 2.344 0.231
250PDT250-18 0.0190 50 0.142 0.48 0.180 1.125 0.098 0.830 0.029 0.091 0.034 1011 248 0.01714 0.115 -1.891 2.351 0.353
362PDT250-18 0.0190 50 0.164 0.56 0.398 1.558 0.111 0.823 0.029 0.195 0.050 1498 170 0.01971 0.264 -1.718 2.461 0.512
400PDT250-18 0.0190 50 0.171 0.58 0.492 1.697 0.114 0.818 0.029 0.239 0.055 1661 154 0.02057 0.331 -1.669 2.517 0.560
600PDT250-18
2
0.0190 50 0.209 0.71 1.214 2.410 0.129 0.786 0.030 0.555 0.085 2533 102 0.02514 0.838 -1.450 2.920 0.753
ProTRAK
®
20 18MIL DRYWALL TRACK
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
162PDS125-18 0.0190 70 0.086 0.29 0.040 0.685 0.019 0.468 0.039 0.035 0.028 1194 405 149 0.01032 0.012 -1.105 1.382 0.361 24.8
250PDS125-18 0.0190 70 0.104 0.35 0.107 1.017 0.023 0.470 0.043 0.099 0.056 2361 256 204 0.01250 0.031 -1.004 1.504 0.555 24.5
362PDS125-18 0.0190 70 0.126 0.43 0.254 1.421 0.026 0.456 0.044 0.234 0.074 3102 174 170 0.01512 0.070 -0.884 1.734 0.740 24.3
400PDS125-18
1
0.0190 70 0.133 0.45 0.321 1.551 0.027 0.453 0.046 0.286 0.084 3532 157 157 0.01605 0.089 -0.859 1.830 0.780 24.2
600PDS125-18
2
0.0190 70 0.173 0.59 0.855 2.223 0.032 0.431 0.046 0.669 0.141 5891 104 104 0.02083 0.233 -0.739 2.382 0.904 23.6
ProSTUD
®
20 18MIL DRYWALL STUD
7