Page 10 - square pipe

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

B
T
JIS G3466
H

SIAZES 30 x 30 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 1.35 1.06 1.83 1.83 1.17 1.17 1.22 1.22
1.4 1.55 1.22 2.08 2.08 1.16 1.16 1.39 1.39
1.6 1.75 1.38 2.31 2.31 1.15 1.15 1.54 1.54
1.7 1.85 1.45 2.42 2.42 1.14 1.14 1.61 1.61
2.0 2.14 1.68 2.73 2.73 1.13 1.13 1.82 1.82
2.4 2.50 1.96 3.09 3.09 1.11 1.11 2.06 2.06
2.6 2.68 2.10 3.26 3.26 1.10 1.10 2.17 2.17
% 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