TECHNICAL DATA
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                                     STANDARD BEAM INFORMATION
 AMERICAN STANDARD ‘C’ SHAPE CHANNELS                                             AMERICAN STANDARD ‘S’ SHAPE I-BEAMS
            Designation                     Flange        Flange                           Designation                    Flange         Flange
         Nom. Depth & Weight                Width        Thickness                      Nom. Depth & Weight               Width         Thickness
   in. X lbs./ft      mm X kg/m                bf            tf                                                              bf             tf
                                                                                  in. X lbs./ft      mm X kg/m
   C3 X 4.1           (C75 X 6.1)     13/8       (35)   .273   (6.9)               S3 X 5.7         (S75 X 8.5)      23/8      (59)   .260    (6.6)
    C3 X 5            (C75 X 7.4)     11/2       (37)   .273   (6.9)               S3 X 7.5         (S75 X 11.2)     21/2      (63)   .260    (6.6)
    C3 X 6            (C75 X 8.9)     15/8       (40)   .273   (6.9)
                                                                                   S4 X 7.7        (S100 X 11.5)     25/8      (68)   .293    (7.4)
   C4 X 5.4           (C100 X 8)      19/16      (40)   .296   (7.5)
                                                                                   S4 X 9.5        (S100 X 14.1)     23/4      (71)   .293    (7.4)
   C4 X 7.25         (C100 X 10.8)    13/4       (44)   .296   (7.5)
                                                                                   S5 X 10          (S130 X 15)       3        (76)   .326    (8.3)
   C5 X 6.7          (C130 X 10)      13/4       (44)   .320   (8.1)
                                                                                 S5 X 14.75         (S130 X 22)      31/4      (83)   .326    (8.3)
    C5 X 9           (C130 X 13.4)    17/8       (47)   .320   (8.1)
                                                                                  S6 X 12.5        (S150 X 18.6)     33/8      (85)   .359    (9.1)
   C6 X 8.2          (C150 X 12.2)    115/16     (48)   .343   (8.7)
                                                                                 S6 X 17.25        (S150 X 25.7)    311/16     (91)   .359    (9.1)
   C6 X 10.5         (C150 X 15.6)      2        (51)   .343   (8.7)
                                                                                  S7 X 15.3        (S180 X 22.8)     35/8      (93)   .392    (10.0)
   C6 X 13           (C150 X 19.3)    21/8       (54)   .343   (8.7)
   C7 X 9.8          (C180 X 14.6)    21/16      (53)   .366   (9.3)               S7 X 20         (S180 X 29.8)     37/8      (98)   .392    (10.0)
  C7 X 12.25         (C180 X 18.2)    23/16      (55)   .366   (9.3)              S8 X 18.4        (S200 X 27.4)      4       (102)   .425    (10.8)
  C7 X 14.75         (C180 X 22)      21/4       (57)   .366   (9.3)               S8 X 23          (S200 X 34)      41/8     (106)   .425    (10.8)
   C8 X 11.5         (C200 X 17.1)    21/4       (57)   .390   (9.9)             S10 X 25.4        (S250 X 37.8)     45/8     (118)   .491    (12.5)
  C8 X 13.75         (C200 X 20.5)    23/8       (59)   .390   (9.9)              S10 X 35          (S250 X 52)     415/16    (126)   .491    (12.5)
  C8 X 18.75         (C200 X 27.9)    21/2       (63)   .390   (9.9)             S12 X 31.8        (S310 X 47.3)      5       (127)   .544    (13.8)
   C9 X 13.4         (C230 X 19.9)    27/16      (61)   .413   (10.5)             S12 X 35          (S310 X 52)     51/16     (129)   .544    (13.8)
   C9 X 15           (C230 X 22)      21/2       (63)   .413   (10.5)            S12 X 40.8        (S310 X 60.7)     51/4     (133)   .659    (16.7)
   C9 X 20           (C230 X 30)      25/8       (67)   .413   (10.5)             S12 X 50          (S310 X 74)      51/2     (139)   .659    (16.7)
  C10 X 15.3         (C250 X 22.8)    25/8       (67)   .436   (11.1)            S15 X 42.9         (S380 X 64)      51/2     (140)   .622    (15.8)
   C10 X 20          (C250 X 30)      23/4       (69)   .436   (11.1)
                                                                                  S15 X 50          (S380 X 74)      55/8     (143)   .622    (15.8)
   C10 X 25          (C250 X 37)      27/8       (73)   .436   (11.1)
                                                                                 S18 X 54.7        (S460 X 81.4)      6       (152)   .691    (17.6)
   C10 X 30          (C250 X 45)        3        (76)   .436   (11.1)
                                                                                  S18 X 70         (S460 X 104)      61/4     (159)   .691    (17.6)
  C12 X 20.7         (C310 X 30.8)    215/16     (74)   .501   (12.7)
                                                                                  S20 X 66         (S510 X 98.2)     61/4     (159)   .795    (20.2)
   C12 X 25          (C310 X 37)        3        (76)   .501   (12.7)
                                                                                  S20 X 75         (S510 X 112)      63/8     (162)   .795    (20.2)
   C12 X 30          (C310 X 45)      31/8       (80)   .501   (12.7)
                                                                                  S20 X 86         (S510 X 128)     71/16     (179)   .920    (23.4)
  C15 X 33.9         (C380 X 50.4)    33/8       (86)   .650   (16.5)
                                                                                  S20 X 96         (S510 X 143)     73/16     (183)   .920    (23.4)
   C15 X 40          (C380 X 60)      31/2       (89)   .650   (16.5)
   C15 X 50          (C380 X 74)      33/4       (94)   .650   (16.5)             S24 X 80         (S610 X 119)       7       (178)   .870    (22.1)
  C18 X 42.7         (C460 X 63.5)      4       (102)   .625   (15.9)             S24 X 90         (S610 X 134)      71/8     (181)   .870    (22.1)
  C18 X 45.8         (C460 X 68.1)      4       (102)   .625   (15.9)             S24 X 100        (S610 X 149)      71/4     (184)   .870    (22.1)
  C18 X 51.9         (C460 X 77.2)    41/8      (106)   .625   (15.9)             S24 X 106        (S610 X 158)      77/8     (200)   1.090   (27.7)
   C18 X 58          (C460 X 86.3)    41/4      (112)   .625   (15.9)             S24 X 121        (S610 X 180)     81/16     (204)   1.090   (27.7)
Note: All standard beam information is taken from ASTM A6-86
     Unless otherwise specified, all dimensions on drawings and in charts are in inches and dimensions shown in parentheses are in millimeters.