Page 8 - square pipe
P. 8
Value series SQUARE PIPE
Value series
Size and Properties
JIS G3466
Grade : SSC400
B
T JIS G3466
H
SIAZES 22 x 22 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 0.96 0.75 0.68 0.68 0.84 0.84 0.62 0.62
1.4 1.10 0.87 0.76 0.76 0.83 0.83 0.69 0.69
1.6 1.24 0.97 0.84 0.84 0.82 0.82 0.76 0.76
1.7 1.31 1.03 0.87 0.87 0.82 0.82 0.80 0.80
2.0 1.50 1.18 0.97 0.97 0.81 0.81 0.88 0.88
% 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

