4.76 mm Thickness (3/16 in.)
D mm (in.)
W mm (in.)
64 (2.5) 76 (3) 89 (3.5) 102 (4)
203 (8) 87 (5.3) 98 (6.0) 110 (6.7) 123 (7.5)
in
3
(cm
3
)
229 (9) 103 (6.3) 116 (7.1) 130 (7.9) 143 (8.7)
254 (10) 120 (7.3) 134 (8.2) 149 (9.1) 164 (10.0)
279 (11) 138 (8.4) 154 (9.4) 170 (10.4) 187 (11.4)
305 (12) 156 (9.5) 174 (10.6) 192 (11.7) 210 (12.8)
330 (13) 177 (10.8) 195 (11.9) 215 (13.1) 234 (14.3)
356 (14) 197 (12.0) 218 (13.3) 239 (14.6) 261 (15.9)
381 (15) 220 (13.4) 241 (14.7) 264 (16.1) 287 (17.5)
TABLE A
Section Modulus cm
3
(in
3
)
Thickness 6.35 mm (1/4 in.)
D mm (in.)
W mm (in.)
64 (2.5) 76 (3) 89 (3.5) 102 (4)
203 (8) 113 (6.9) 128 (7.8) 144 (8.8) 159 (9.7)
in
3
(cm
3
)
229 (9) 134 (8.2) 151 (9.2) 169 (10.3) 187 (11.4)
254 (10) 156 (9.5) 175 (10.7) 195 (11.9) 215 (13.1)
279 (11) 180 (11.0) 202 (12.3) 223 (13.6) 241 (4.94)
305 (12) 205 (12.5) 228 (13.9) 251 (15.3) 275 (16.8)
330 (13) 231 (14.1) 256 (15.6) 282 (17.2) 308 (18.8)
356 (14) 259 (15.8) 287 (17.5) 313 (19.1) 341 (20.8)
381 (15) 287 (17.5) 316 (19.3) 348 (21.2) 377 (23.0)
Thickness 7.9 mm (5/16 in.)
D mm (in.)
W mm (in.)
64 (2.5) 76 (3) 89 (3.5) 102 (4)
203 (8) 138 (8.4) 156 (9.5) 175 (10.7) 195 (11.9)
in
3
(cm
3
)
229 (9) 164 (10.0) 185 (11.3) 206 (12.6) 228 (13.9)
254 (10) 190 (11.6) 215 (13.1) 239 (14.6) 262 (16.0)
279 (11) 220 (13.4) 246 (15.0) 272 (16.6) 300 (18.3)
305 (12) 251 (15.3) 280 (17.1) 308 (18.8) 338 (20.6)
330 (13) 284 (17.3) 315 (19.2) 346 (21.1) 379 (23.1)
356 (14) 318 (19.4) 351 (21.4) 385 (23.5) 420 (25.6)
381 (15) 354 (21.6) 390 (23.8) 426 (26.0) 464 (28.3)
Thickness 9.5 mm (3/8 in.)
D mm (in.)
W mm (in.)
64 (2.5) 76 (3) 89 (3.5) 102 (4)
203 (8) 161 (9.8) 184 (11.2) 205 (12.5) 228 (13.9)
in
3
(cm
3
)
229 (9) 192 (11.7) 216 (13.2) 243 (14.8) 267 (16.3)
254 (10) 223 (13.6) 252 (15.4) 280 (17.1) 308 (18.8)
279 (11) 257 (15.7) 290 (17.7) 321 (19.6) 352 (21.5)
305 (12) 295 (18.0) 329 (20.1) 364 (22.2) 398 (24.3)
330 (13) 333 (20.3) 370 (22.6) 408 (24.9) 446 (27.2)
356 (14) 374 (22.8) 415 (25.3) 456 (27.8) 497 (30.3)
381 (15) 416 (25.4) 461 (28.1) 505 (30.8) 582 (35.5)
W
D