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US

AISC

A collection of W, M, S, HP, WT, MT, ST sections are predefined using inch as default length unit.

See Eccentricity for more details.

Syntax

To define a section, users can use the following commands.

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section US2D (1) (2) (3) [4] [5] [6]
# (1) string, designation
# (2) int, unique tag
# (3) int, material model tag
# [4] double, scale, default: 1.0
# [5] int, number of integration points along web height, default: 6
# [6] double, eccentricity, default: 0.0

section US3D (1) (2) (3) [4] [5] [6] [7]
# (1) string, designation
# (2) int, unique tag
# (3) int, material model tag
# [4] double, scale, default: 1.0
# [5] int, number of integration points along web height and flange width, default: 6
# [6] double, eccentricity of y axis, default: 0.0
# [7] double, eccentricity of z axis, default: 0.0

[available from v3.2]

Some T-sections are placed at the centre of the web, which is not always desired. Use US2DC and US3DC to automatically recenter the section to its barycenter.

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section US2DC (1) (2) (3) [4] [5]
section US3DC (1) (2) (3) [4] [5]
# (1) string, designation
# (2) int, unique tag
# (3) int, material model tag
# [4] double, scale, default: 1.0
# [5] int, number of integration points along web height (and flange width for 3D), default: 6

Remarks

  1. By default, inch is used as length unit, if users want to switch to another unit, set scale to corresponding values. For example, to use millimeter, scale=25.4.
  2. For 2D sections, the number of integration points is set to two using Gauss quadrature for flange.
  3. For 3D sections, along web/flange thickness, one integration point is used. along flange width and web height, the same number of integration points is used as defined by user.

There will be discrepancies between design section properties and numerical section properties. Use with caution and check the validation.

Supported Designations

The following designations from AISC Shapes Database v16.0 is supported.

W M S HP WT MT ST HSS (Rectangle) HSS (Circle)
W44X408 M12.5X12.4 S24X121 HP18X204 WT22X167.5 MT6.25X6.2 ST12X60.5 HSS34X10X1 HSS28.000X1.000
W44X368 M12.5X11.6 S24X106 HP18X181 WT22X145 MT6.25X5.8 ST12X53 HSS34X10X⅞ HSS28.000X0.875
W44X335 M12X11.8 S24X100 HP18X157 WT22X131 MT6X5.9 ST12X50 HSS34X10X¾ HSS28.000X0.750
W44X290 M12X10.8 S24X90 HP18X135 WT22X115 MT6X5.4 ST12X45 HSS34X10X⅝ HSS28.000X0.625
W44X262 M12X10 S24X80 HP16X183 WT20X327.5 MT6X5 ST12X40 HSS30X10X1 HSS28.000X0.500
W44X230 M10X9 S20X96 HP16X162 WT20X296.5 MT5X4.5 ST10X48 HSS30X10X⅞ HSS28.000X0.375
W40X655 M10X8 S20X86 HP16X141 WT20X251.5 MT5X4 ST10X43 HSS30X10X¾ HSS26.000X0.750
W40X593 M10X7.5 S20X75 HP16X121 WT20X215.5 MT5X3.75 ST10X37.5 HSS30X10X⅝ HSS26.000X0.625
W40X503 M8X6.5 S20X66 HP16X101 WT20X198.5 MT4X3.25 ST10X33 HSS30X10X½ HSS26.000X0.500
W40X431 M8X6.2 S18X70 HP16X88 WT20X186 MT4X3.1 ST9X35 HSS24X20X¾ HSS26.000X0.375
W40X397 M6X4.4 S18X54.7 HP14X117 WT20X181 MT3X2.2 ST9X27.35 HSS24X20X⅝ HSS26.000X0.313
W40X372 M6X3.7 S15X50 HP14X102 WT20X162 MT3X1.85 ST7.5X25 HSS24X20X½ HSS24.000X1.000
W40X362 M5X18.9 S15X42.9 HP14X89 WT20X148.5 MT2.5X9.45 ST7.5X21.45 HSS24X20X⅜ HSS24.000X0.875
W40X324 M4X6 S12X50 HP14X73 WT20X138.5 MT2X3 ST6X25 HSS24X20X5/16 HSS24.000X0.750
W40X297 M4X4.08 S12X40.8 HP12X89 WT20X124.5 ST6X20.4 HSS24X18X¾ HSS24.000X0.625
W40X277 M3X2.9 S12X35 HP12X84 WT20X107.5 ST6X17.5 HSS24X18X⅝ HSS24.000X0.500
W40X249 MT6.25X6.2 S12X31.8 HP12X74 WT20X99.5 ST6X15.9 HSS24X18X½ HSS24.000X0.375
W40X215 MT6.25X5.8 S10X35 HP12X63 WT20X196 ST5X17.5 HSS24X18X⅜ HSS24.000X0.313
W40X199 MT6X5.9 S10X25.4 HP12X53 WT20X165.5 ST5X12.7 HSS24X18X5/16 HSS22.000X0.750
W40X392 MT6X5.4 S8X23 HP10X57 WT20X163.5 ST4X11.5 HSS24X16X¾ HSS22.000X0.625
W40X331 MT6X5 S8X18.4 HP10X42 WT20X147 ST4X9.2 HSS24X16X⅝ HSS22.000X0.500
W40X327 MT5X4.5 S6X17.25 HP8X36 WT20X139 ST3X8.6 HSS24X16X½ HSS22.000X0.375
W40X294 MT5X4 S6X12.5 WT20X132 ST3X6.25 HSS24X16X⅜ HSS22.000X0.313
W40X278 MT5X3.75 S5X10 WT20X117.5 ST2.5X5 HSS24X16X5/16 HSS20.000X1.000
W40X264 MT4X3.25 S4X9.5 WT20X105.5 ST2X4.75 HSS24X14X¾ HSS20.000X0.875
W40X235 MT4X3.1 S4X7.7 WT20X91.5 ST2X3.85 HSS24X14X⅝ HSS20.000X0.750
W40X211 MT3X2.2 S3X7.5 WT20X83.5 ST1.5X3.75 HSS24X14X½ HSS20.000X0.625
W40X183 MT3X1.85 S3X5.7 WT20X74.5 ST1.5X2.85 HSS24X14X⅜ HSS20.000X0.500
W40X167 MT2.5X9.45 WT18X462.5 HSS24X14X5/16 HSS20.000X0.375
W40X149 MT2X3 WT18X426.5 HSS24X14X¼ HSS20.000X0.313
W36X925 WT18X401 HSS24X12X1 HSS20.000X0.250
W36X853 WT18X361.5 HSS24X12X⅞ HSS18.000X1.000
W36X802 WT18X326 HSS24X12X¾ HSS18.000X0.875
W36X723 WT18X264.5 HSS24X12X⅝ HSS18.000X0.750
W36X652 WT18X243.5 HSS24X12X½ HSS18.000X0.625
W36X529 WT18X220.5 HSS24X12X⅜ HSS18.000X0.500
W36X487 WT18X197.5 HSS24X12X5/16 HSS18.000X0.375
W36X441 WT18X180.5 HSS24X12X¼ HSS18.000X0.313
W36X395 WT18X165 HSS24X8X½ HSS18.000X0.250
W36X361 WT18X151 HSS24X8X⅜ HSS16.000X1.000
W36X330 WT18X141 HSS24X8X5/16 HSS16.000X0.875
W36X302 WT18X131 HSS24X8X¼ HSS16.000X0.750
W36X282 WT18X123.5 HSS22X22X1 HSS16.000X0.625
W36X262 WT18X115.5 HSS22X22X⅞ HSS16.000X0.500
W36X247 WT18X128 HSS22X22X¾ HSS16.000X0.438
W36X231 WT18X116 HSS22X22X⅝ HSS16.000X0.375
W36X387 WT18X105 HSS22X22X½ HSS16.000X0.312
W36X350 WT18X97 HSS22X20X¾ HSS16.000X0.250
W36X318 WT18X91 HSS22X20X⅝ HSS14.000X1.000
W36X286 WT18X85 HSS22X20X½ HSS14.000X0.875
W36X256 WT18X80 HSS22X20X⅜ HSS14.000X0.750
W36X232 WT18X75 HSS22X20X5/16 HSS14.000X0.625
W36X210 WT18X67.5 HSS22X18X¾ HSS14.000X0.500
W36X194 WT16.5X193.5 HSS22X18X⅝ HSS14.000X0.375
W36X182 WT16.5X177 HSS22X18X½ HSS14.000X0.312
W36X170 WT16.5X159 HSS22X18X⅜ HSS14.000X0.250
W36X160 WT16.5X145.5 HSS22X18X5/16 HSS14.000X0.188
W36X150 WT16.5X131.5 HSS22X16X¾ HSS13.375X0.625
W36X135 WT16.5X120.5 HSS22X16X⅝ HSS13.375X0.500
W33X387 WT16.5X110.5 HSS22X16X½ HSS13.375X0.375
W33X354 WT16.5X100.5 HSS22X16X⅜ HSS13.375X0.313
W33X318 WT16.5X84.5 HSS22X16X5/16 HSS13.375X0.250
W33X291 WT16.5X76 HSS22X16X¼ HSS13.375X0.188
W33X263 WT16.5X70.5 HSS22X14X¾ HSS12.750X0.750
W33X241 WT16.5X65 HSS22X14X⅝ HSS12.750X0.625
W33X221 WT16.5X59 HSS22X14X½ HSS12.750X0.500
W33X201 WT15X195.5 HSS22X14X⅜ HSS12.750X0.375
W33X169 WT15X178.5 HSS22X14X5/16 HSS12.750X0.250
W33X152 WT15X163 HSS22X14X¼ HSS12.750X0.188
W33X141 WT15X146 HSS22X10X⅝ HSS12.000X0.625
W33X130 WT15X130.5 HSS22X10X½ HSS12.000X0.500
W33X118 WT15X117.5 HSS22X10X⅜ HSS12.000X0.375
W30X391 WT15X105.5 HSS22X10X5/16 HSS12.000X0.250
W30X357 WT15X95.5 HSS22X10X¼ HSS11.750X0.625
W30X326 WT15X86.5 HSS20X20X1 HSS11.750X0.500
W30X292 WT15X74 HSS20X20X⅞ HSS11.750X0.375
W30X261 WT15X66 HSS20X20X¾ HSS11.750X0.337
W30X235 WT15X62 HSS20X20X⅝ HSS11.750X0.250
W30X211 WT15X58 HSS20X20X½ HSS10.750X0.625
W30X191 WT15X54 HSS20X20X⅜ HSS10.750X0.500
W30X173 WT15X49.5 HSS20X20X5/16 HSS10.750X0.375
W30X148 WT15X45 HSS20X16X¾ HSS10.750X0.313
W30X132 WT13.5X269.5 HSS20X16X⅝ HSS10.750X0.250
W30X124 WT13.5X184 HSS20X16X½ HSS10.750X0.188
W30X116 WT13.5X168 HSS20X16X⅜ HSS10.000X0.625
W30X108 WT13.5X153.5 HSS20X16X5/16 HSS10.000X0.500
W30X99 WT13.5X140.5 HSS20X16X¼ HSS10.000X0.375
W30X90 WT13.5X129 HSS20X12X1 HSS10.000X0.312
W27X539 WT13.5X117.5 HSS20X12X⅞ HSS10.000X0.250
W27X368 WT13.5X108.5 HSS20X12X¾ HSS10.000X0.188
W27X336 WT13.5X97 HSS20X12X⅝ HSS9.625X0.625
W27X307 WT13.5X89 HSS20X12X½ HSS9.625X0.500
W27X281 WT13.5X80.5 HSS20X12X⅜ HSS9.625X0.375
W27X258 WT13.5X73 HSS20X12X5/16 HSS9.625X0.312
W27X235 WT13.5X64.5 HSS20X8X1 HSS9.625X0.250
W27X217 WT13.5X57 HSS20X8X⅞ HSS9.625X0.188
W27X194 WT13.5X51 HSS20X8X¾ HSS8.625X0.625
W27X178 WT13.5X47 HSS20X8X⅝ HSS8.625X0.500
W27X161 WT13.5X42 HSS20X8X½ HSS8.625X0.375
W27X146 WT12X185 HSS20X8X⅜ HSS8.625X0.322
W27X129 WT12X167.5 HSS20X8X5/16 HSS8.625X0.250
W27X114 WT12X153 HSS20X6X⅝ HSS8.625X0.188
W27X102 WT12X139.5 HSS20X6X½ HSS7.500X0.500
W27X94 WT12X125 HSS20X6X⅜ HSS7.500X0.375
W27X84 WT12X114.5 HSS20X6X5/16 HSS7.500X0.312
W24X370 WT12X103.5 HSS20X6X¼ HSS7.500X0.250
W24X335 WT12X96 HSS20X4X½ HSS7.500X0.188
W24X306 WT12X88 HSS20X4X⅜ HSS7.000X0.500
W24X279 WT12X81 HSS20X4X5/16 HSS7.000X0.375
W24X250 WT12X73 HSS20X4X¼ HSS7.000X0.312
W24X229 WT12X65.5 HSS18X18X1 HSS7.000X0.250
W24X207 WT12X58.5 HSS18X18X⅞ HSS7.000X0.188
W24X192 WT12X52 HSS18X18X¾ HSS7.000X0.125
W24X176 WT12X51.5 HSS18X18X⅝ HSS6.875X0.375
W24X162 WT12X47 HSS18X18X½ HSS6.875X0.312
W24X146 WT12X42 HSS18X18X⅜ HSS6.875X0.250
W24X131 WT12X38 HSS18X18X5/16 HSS6.875X0.188
W24X117 WT12X34 HSS18X18X¼ HSS6.625X0.500
W24X104 WT12X31 HSS18X10X⅝ HSS6.625X0.432
W24X103 WT12X27.5 HSS18X10X½ HSS6.625X0.375
W24X94 WT10.5X137.5 HSS18X10X⅜ HSS6.625X0.312
W24X84 WT10.5X124 HSS18X10X5/16 HSS6.625X0.280
W24X76 WT10.5X111.5 HSS18X10X¼ HSS6.625X0.250
W24X68 WT10.5X100.5 HSS18X8X⅝ HSS6.625X0.188
W24X62 WT10.5X91 HSS18X8X½ HSS6.625X0.125
W24X55 WT10.5X83 HSS18X8X⅜ HSS6.000X0.500
W21X275 WT10.5X73.5 HSS18X8X5/16 HSS6.000X0.375
W21X248 WT10.5X66 HSS18X8X¼ HSS6.000X0.312
W21X223 WT10.5X61 HSS18X6X¾ HSS6.000X0.280
W21X201 WT10.5X55.5 HSS18X6X⅝ HSS6.000X0.250
W21X182 WT10.5X50.5 HSS18X6X½ HSS6.000X0.188
W21X166 WT10.5X46.5 HSS18X6X⅜ HSS6.000X0.125
W21X147 WT10.5X41.5 HSS18X6X5/16 HSS5.563X0.500
W21X132 WT10.5X36.5 HSS18X6X¼ HSS5.563X0.375
W21X122 WT10.5X34 HSS16X16X1 HSS5.563X0.258
W21X111 WT10.5X31 HSS16X16X⅞ HSS5.563X0.188
W21X101 WT10.5X27.5 HSS16X16X¾ HSS5.563X0.134
W21X93 WT10.5X24 HSS16X16X⅝ HSS5.500X0.500
W21X83 WT10.5X28.5 HSS16X16X½ HSS5.500X0.375
W21X73 WT10.5X25 HSS16X16X⅜ HSS5.500X0.258
W21X68 WT10.5X22 HSS16X16X5/16 HSS5.000X0.500
W21X62 WT9X155.5 HSS16X16X¼ HSS5.000X0.375
W21X55 WT9X141.5 HSS16X12X1 HSS5.000X0.312
W21X48 WT9X129 HSS16X12X⅞ HSS5.000X0.258
W21X57 WT9X117 HSS16X12X¾ HSS5.000X0.250
W21X50 WT9X105.5 HSS16X12X⅝ HSS5.000X0.188
W21X44 WT9X96 HSS16X12X½ HSS5.000X0.125
W18X311 WT9X87.5 HSS16X12X⅜ HSS4.500X0.375
W18X283 WT9X79 HSS16X12X5/16 HSS4.500X0.337
W18X258 WT9X71.5 HSS16X10X⅝ HSS4.500X0.237
W18X234 WT9X65 HSS16X10X½ HSS4.500X0.188
W18X211 WT9X59.5 HSS16X10X⅜ HSS4.500X0.125
W18X192 WT9X53 HSS16X10X5/16 HSS4.000X0.313
W18X175 WT9X48.5 HSS16X10X¼ HSS4.000X0.250
W18X158 WT9X43 HSS16X8X⅞ HSS4.000X0.237
W18X143 WT9X38 HSS16X8X¾ HSS4.000X0.226
W18X130 WT9X35.5 HSS16X8X⅝ HSS4.000X0.220
W18X119 WT9X32.5 HSS16X8X½ HSS4.000X0.188
W18X106 WT9X30 HSS16X8X⅜ HSS4.000X0.125
W18X97 WT9X27.5 HSS16X8X5/16 HSS3.500X0.313
W18X86 WT9X25 HSS16X8X¼ HSS3.500X0.300
W18X76 WT9X23 HSS16X6X⅝ HSS3.500X0.250
W18X71 WT9X20 HSS16X6X½ HSS3.500X0.216
W18X65 WT9X17.5 HSS16X6X⅜ HSS3.500X0.203
W18X60 WT8X50 HSS16X6X5/16 HSS3.500X0.188
W18X55 WT8X44.5 HSS16X6X¼ HSS3.500X0.125
W18X50 WT8X38.5 HSS16X6X3/16 HSS3.000X0.250
W18X46 WT8X33.5 HSS16X4X⅝ HSS3.000X0.216
W18X40 WT8X28.5 HSS16X4X½ HSS3.000X0.203
W18X35 WT8X25 HSS16X4X⅜ HSS3.000X0.188
W16X100 WT8X22.5 HSS16X4X5/16 HSS3.000X0.152
W16X89 WT8X20 HSS16X4X¼ HSS3.000X0.134
W16X77 WT8X18 HSS16X4X3/16 HSS3.000X0.125
W16X67 WT8X15.5 HSS14X14X1 HSS2.875X0.250
W16X57 WT8X13 HSS14X14X⅞ HSS2.875X0.203
W16X50 WT7X436.5 HSS14X14X¾ HSS2.875X0.188
W16X45 WT7X404 HSS14X14X⅝ HSS2.875X0.125
W16X40 WT7X365 HSS14X14X½ HSS2.500X0.250
W16X36 WT7X332.5 HSS14X14X⅜ HSS2.500X0.188
W16X31 WT7X302.5 HSS14X14X5/16 HSS2.500X0.125
W16X26 WT7X275 HSS14X14X¼ HSS2.375X0.250
W14X873 WT7X250 HSS14X12X⅝ HSS2.375X0.218
W14X808 WT7X227.5 HSS14X12X½ HSS2.375X0.188
W14X730 WT7X213 HSS14X12X⅜ HSS2.375X0.154
W14X665 WT7X199 HSS14X12X5/16 HSS2.375X0.125
W14X605 WT7X185 HSS14X12X¼ HSS1.900X0.188
W14X550 WT7X171 HSS14X10X⅞ HSS1.900X0.145
W14X500 WT7X155.5 HSS14X10X¾ HSS1.900X0.120
W14X455 WT7X141.5 HSS14X10X⅝ HSS1.660X0.140
W14X426 WT7X128.5 HSS14X10X½
W14X398 WT7X116.5 HSS14X10X⅜
W14X370 WT7X105.5 HSS14X10X5/16
W14X342 WT7X96.5 HSS14X10X¼
W14X311 WT7X88 HSS14X8X⅝
W14X283 WT7X79.5 HSS14X8X½
W14X257 WT7X72.5 HSS14X8X⅜
W14X233 WT7X66 HSS14X8X5/16
W14X211 WT7X60 HSS14X8X¼
W14X193 WT7X54.5 HSS14X8X3/16
W14X176 WT7X49.5 HSS14X6X⅝
W14X159 WT7X45 HSS14X6X½
W14X145 WT7X41 HSS14X6X⅜
W14X132 WT7X37 HSS14X6X5/16
W14X120 WT7X34 HSS14X6X¼
W14X109 WT7X30.5 HSS14X6X3/16
W14X99 WT7X26.5 HSS14X4X⅝
W14X90 WT7X24 HSS14X4X½
W14X82 WT7X21.5 HSS14X4X⅜
W14X74 WT7X19 HSS14X4X5/16
W14X68 WT7X17 HSS14X4X¼
W14X61 WT7X15 HSS14X4X3/16
W14X53 WT7X13 HSS12X12X1
W14X48 WT7X11 HSS12X12X⅞
W14X43 WT6X168 HSS12X12X¾
W14X38 WT6X152.5 HSS12X12X⅝
W14X34 WT6X139.5 HSS12X12X½
W14X30 WT6X126 HSS12X12X⅜
W14X26 WT6X115 HSS12X12X5/16
W14X22 WT6X105 HSS12X12X¼
W12X336 WT6X95 HSS12X12X3/16
W12X305 WT6X85 HSS12X10X⅝
W12X279 WT6X76 HSS12X10X½
W12X252 WT6X68 HSS12X10X⅜
W12X230 WT6X60 HSS12X10X5/16
W12X210 WT6X53 HSS12X10X¼
W12X190 WT6X48 HSS12X10X3/16
W12X170 WT6X43.5 HSS12X8X⅝
W12X152 WT6X39.5 HSS12X8X½
W12X136 WT6X36 HSS12X8X⅜
W12X120 WT6X32.5 HSS12X8X5/16
W12X106 WT6X29 HSS12X8X¼
W12X96 WT6X26.5 HSS12X8X3/16
W12X87 WT6X25 HSS12X6X⅝
W12X79 WT6X22.5 HSS12X6X½
W12X72 WT6X20 HSS12X6X⅜
W12X65 WT6X17.5 HSS12X6X5/16
W12X58 WT6X15 HSS12X6X¼
W12X53 WT6X13 HSS12X6X3/16
W12X50 WT6X11 HSS12X4X⅝
W12X45 WT6X9.5 HSS12X4X½
W12X40 WT6X8 HSS12X4X⅜
W12X35 WT6X7 HSS12X4X5/16
W12X30 WT5X56 HSS12X4X¼
W12X26 WT5X50 HSS12X4X3/16
W12X22 WT5X44 HSS12X3X5/16
W12X19 WT5X38.5 HSS12X3X¼
W12X16 WT5X34 HSS12X3X3/16
W12X14 WT5X30 HSS12X2X5/16
W10X112 WT5X27 HSS12X2X¼
W10X100 WT5X24.5 HSS12X2X3/16
W10X88 WT5X22.5 HSS10X10X¾
W10X77 WT5X19.5 HSS10X10X⅝
W10X68 WT5X16.5 HSS10X10X½
W10X60 WT5X15 HSS10X10X⅜
W10X54 WT5X13 HSS10X10X5/16
W10X49 WT5X11 HSS10X10X¼
W10X45 WT5X9.5 HSS10X10X3/16
W10X39 WT5X8.5 HSS10X8X⅝
W10X33 WT5X7.5 HSS10X8X½
W10X30 WT5X6 HSS10X8X⅜
W10X26 WT4X33.5 HSS10X8X5/16
W10X22 WT4X29 HSS10X8X¼
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