Page 16 - square pipe

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

B
T JIS G3466
H

SIAZES 47.5 x 47.5 x t
H x A x C
( mm. )
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 2.19 1.72 7.73 7.73 1.88 1.88 3.26 3.26
1.4 2.53 1.99 8.87 8.87 1.87 1.87 3.73 3.73
1.6 2.87 2.25 9.96 9.96 1.86 1.86 4.19 4.19
1.7 3.04 2.39 10.49 10.49 1.86 1.86 4.42 4.42
2.0 3.54 2.78 12.02 12.02 1.84 1.84 5.06 5.06
2.4 4.18 3.28 13.92 13.92 1.82 1.82 5.86 5.86
2.6 4.50 3.53 14.82 14.82 1.82 1.82 6.24 6.24
% 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