Page 18 - square pipe

SQUARE PIPE
Size and Properties
JIS G3466 , มอก.107-2561
Grade : STKR400
B
T
H
B
T
มอก. 107-2561 JIS G3466
H

SIAZES 60 x 60 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
1.4 3.23 2.54 18.33 18.33 2.38 2.38 6.11 6.11
1.7 3.89 3.05 21.80 21.80 2.37 2.37 7.27 7.27
2.0 4.54 3.56 25.12 25.12 2.35 2.35 8.37 8.37
2.3 5.17 4.06 28.30 28.30 2.34 2.34 9.43 9.43
2.5 5.59 4.39 30.33 30.33 2.33 2.33 10.11 10.11
2.8 6.20 4.87 33.27 33.27 2.32 2.32 11.09 11.09
3.2 7.01 5.50 36.97 36.97 2.30 2.30 12.32 12.32
4.0 8.55 6.71 43.68 43.68 2.26 2.26 14.56 14.56
4.5 9.47 7.43 47.43 47.43 2.24 2.24 15.81 15.81
6.0 12.03 9.45 56.78 56.78 2.17 2.17 18.93 18.93
% 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