B24 Channel & Combinations - Cooper Industries

1 B24 Channel & Combinations B24. Thickness: 14 Gauge ( mm). Standard lengths: 10' ( m) & 20' ( m). Standard finishes: Plain, DURA GREEN , Pre-Galvanized, Hot-Dipped Galvanized, Stainless Steel Type 304 or 316, Aluminum Weight: ( kg/m). 15/8 . ( ). 3/8 3/8 . ( ) 7/8 . ( ). ( ) 9/32 . Y ( ). 15/8 X X. Note: ( ). Aluminum loading, for B24, can be determined .7304. by multiplying load data times a factor of ( ). Y. 13/16 . ( ). Section Properties X - X Axis Y - Y Axis Channel & Combinations Areas of Momentof Section Radius of Moment of Section Radius of Channel Weight Section Inertia (I) Modulus (S) Gyration (r) Inertia (I) Modulus (S) Gyration (r).

2 Kg/m sq. in. cm2 cm4 cm3 in. cm cm4 cm3 in. cm B24 ( ) .424 ( ) .1494 ( ) .1670 ( ) .594 ( ) .1857 ( ) .2286 ( ) .662 ( ). B24A ( ) .848 ( ) .7514 ( ) .4624 ( ) .941 ( ) .3713 ( ) .4570 ( ) .662 ( ). Calculations of section properties are based on metal thicknesses as determined by the AISI Cold-Formed Steel Design Manual. 15/8 . Y ( ). Y. 31/4 . Y ( ). 31/4 X. ( ) X. X. X 31/4 . X ( ). X. Y Y. 15/8 . Y 15/8 ( ). 13/16 ( ) .730 13/16 . ( ) ( ) ( ). 15/8 15/8 15/8 . ( ) ( ) ( ). B24A B24B B24C. Wt. ( kg/m) Wt. ( kg/m) Wt. ( kg/m).

3 Reference page 15 for general fitting and standard finish specifications. 25 Strut Systems B24 Beam & Column Loading Data Beam Loading Uniform Load @ Deflection =. Beam Span Channel Uniform Load and Deflection 1/240 Span 1/360 Span In. mm Style Lbs. kN In. mm Lbs. kN Lbs. kN. B24 1750 ( ) .014 (.35) 1750 ( ) 1750 ( ). 12 (305). B24A 1750* ( ) .002 (.05) 1750* ( ) 1750* ( ). B24 1379 ( ) .057 ( ) 1379 ( ) 1379 ( ). 24 (609). B24A 1750* ( ) .014 (.35) 1750* ( ) 1750* ( ). B24 919 ( ) .128 ( ) 919 ( ) 720 ( ). 36 (914). B24A 1750* ( ).

4 048 ( ) 1750* ( ) 1750* ( ). B24 689 ( ) .227 ( ) 607 ( ) 405 ( ). 48 (1219). B24A 1750* ( ) .115 ( ) 1750* ( ) 1750* ( ). B24 551 ( ) .355 ( ) 389 ( ) 259 ( ). 60 (1524). B24A 1518 ( ) .195 ( ) 1518 ( ) 1294 ( ). B24 460 ( ) .511 ( ) 270 ( ) 180 ( ). 72 (1829). B24A 1265 ( ) .281 ( ) 1265 ( ) 898 ( ). B24 394 ( ) .695 ( ) 198 ( ) 132 ( ). 84 (2133). B24A 1084 ( ) .383 ( ) 990 ( ) 660 ( ). B24 345 ( ) .908 ( ) 152 ( ) 101 ( ). 96 (2438). B24A 949 ( ) .500 ( ) 758 ( ) 505 ( ). B24 306 ( ) ( ) 120 ( ) 80 ( ). 108 (2743). Channel & Combinations B24A 843 ( ).

5 633 ( ) 599 ( ) 399 ( ). B24 276 ( ) ( ) 97 ( ) 65 ( ). 120 (3048). B24A 759 ( ) .782 ( ) 485 ( ) 323 ( ). Based on simple beam condition using an allowable design stress of 25,000 psi (172 MPa) in accordance with MFMA, with adequate lateral bracing (see page 12 for further explanation). Actual yield point of cold rolled steel is 42,000 psi. To determine concentrated load capacity at mid span, multiply uniform load by and corresponding deflection by *Failure determined by weld shear. Column Loading Max. Column Loading K =.

6 80 Max. Column Loading (Loaded @ ). Unbraced Channel Loaded@ Height Style Slot Face K = .65 K = K = In. mm Lbs. kN Lbs. kN Lbs. kN Lbs. kN Lbs. kN. B24 6441 ( ) 3077 ( ) 6509 ( ) 6330 ( ) 6198 ( ). 12 (305). B24A 13212 ( ) 4988 ( ) 13237 ( ) 13171 ( ) 13121 ( ). B24 5874 ( ) 2896 ( ) 6124 ( ) 5483 ( ) 5038 ( ). 24 (609). B24A 12993 ( ) 4924 ( ) 13092 ( ) 12828 ( ) 12627 ( ). B24 5038 ( ) 2619 ( ) 5535 ( ) 4302 ( ) 3516 ( ). 36 (914). B24A 12627 ( ) 4819 ( ) 12851 ( ) 12256 ( ) 11804 ( ). B24 4043 ( ) 2272 ( ) 4800 ( ) 3008 ( ) 2324 ( ).

7 48 (1219). B24A 12115 ( ) 4675 ( ) 12512 ( ) 11456 ( ) 10651 ( ). B24 3008 ( ) 1873 ( ) 3978 ( ) 2200 ( ) 1740 ( ). 60 (1524). B24A 11456 ( ) 4020 ( ) 12078 ( ) 10427 ( ) 9169 ( ). B24 2324 ( ) 1562 ( ) 3123 ( ) 1740 ( ) 1397 ( ). 72 (1829). B24A 10651 ( ) 3048 ( ) 11546 ( ) 9169 ( ) 7358 ( ). B24 1898 ( ) 1340 ( ) 2502 ( ) 1444 ( ) 1168 ( ). 84 (2133). B24A 9700 ( ) 2362 ( ) 10918 ( ) 7683 ( ) 5464 ( ). B24 1608 ( ) 1175 ( ) 2089 ( ) 1236 ( ) 1000 ( ). 96 (2438). B24A 8602 ( ) 1866 ( ) 10194 ( ) 6024 ( ) 4184 ( ). B24 1397 ( ) 1046 ( ) 1796 ( ) 1078 ( ) 870** ( ).

8 108 (2743). B24A 7358 ( ) 1498 ( ) 9373 ( ) 4760 ( ) 3306 ( ). B24 1236 ( ) 942 ( ) 1578 ( ) 953** ( ) 764** ( ). 120 (3048). B24A 6024 ( ) 1216 ( ) 8455 ( ) 3856 ( ) 2677** ( ). **Where the slenderness ratio KL exceeds 200, and K = end fixity factor, L = actual length and r = radius of gyration. r Reference page 15 for general fitting and standard finish specifications. Strut Systems 26.