Page 12 - square pipe
P. 12

Value series        SQUARE PIPE
                       Size and Properties
                       JIS G3466
                       Grade : SSC400


                               B
                                 T            JIS G3466
                                 H


            SIAZES    35 x 35 x  t
          H x A x C
            ( mm. )
 Modulus of Section  Thickness Section Area Weight Moment of inertia Radious of Gyration Modulus of Section
  ( Unit : mm )  ( Unit : cm  .) 2  ( Unit : kg./m.)  ( Unit : cm .) 4  ( Unit : cm.)  ( Unit : cm .) 3
    t    Area cm 2  kg./m  l  x  l  y  i  x  i  y  z  x  z  y
   1.2    1.59  1.24  2.98  2.98  1.37  1.37  1.70  1.70
   1.4    1.83  1.44  3.40  3.40  1.36  1.36  1.94  1.94
   1.6    2.07  1.63  3.79  3.79  1.35  1.35  2.16  2.16
   1.7    2.19  1.72  3.98  3.98  1.35  1.35  2.27  2.27
   2.0    2.54  1.99  4.51  4.51  1.33  1.33  2.58  2.58
   2.4    2.98  2.34  5.16  5.16  1.32  1.32  2.95  2.95
   2.6    3.20  2.51  5.46  5.46  1.31  1.31  3.12  3.12
              % Chemical Composition (Max)  Mechanical Properties (Min)
   Grade
         C     Si   Mn    P    S   Yield Strength Tensile Strength  Elongation
                                    MPa  MPa   %
   STKR290  -  -    -    0.050  0.050  -  290  -
   STKR400  0.25  -  -   0.040  0.040  245  400  23
   STKR490  0.18  0.55  1.50  0.040  0.040  325  490  23
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