KS D3568 KS D3566 Structural Tube
Structural tubing is a hollow profile, most often made from hot rolled metal coils. The coil is cut to the appropriate width for the section being manufactured and then formed into the desired final shape. Once the dimensions are formed and the seams are welded together, the tube is cut to the desired length to make a single piece of tubing. Structural tubing is available in round, rectangular and square shapes.
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Structural Pipes Supplier-GNEE
KS D3566 Carbon Steel Pipe and KS D3568 Carbon Steel Pipe are carbon steel square and rectangular tubes for general structural use in civil engineering buildings, steel towers, scaffolding, pillars, piles for landslide suppression and other structures.
Form: Round Tube, Square tubing, Rectangular steel tube
Grades: SPSR 400, SPSR 490, SPS 290, SPS 500
Outside Diameter: 21.7-609.6mm
Wall Thickness: 2-22mm
KS D3566 D3568 SPS290 SPS400 SPS500 SPS490 SPS540 carbon steel tubes Chemical Analysis:
|
Steel Grade |
C |
Si |
Mn |
P |
S |
|
SPS 290 |
- |
- |
- |
0.050 max. |
0.050 max. |
|
SPS 400 |
0.25 max. |
- |
- |
0.040 max. |
0.040 max. |
|
SPS 500 |
0.24 max. |
0.35 max. |
0.30~1.30 |
0.040 max. |
0.040 max. |
|
SPS 490 |
0.18 max. |
0.55 max. |
1.50 max. |
0.040 max. |
0.040 max. |
|
SPS 540 |
0.23 max. |
0.55 max. |
1.50 max. |
0.040 max. |
0.040 max. |
KS D3566 D3568 SPS290 SPS400 SPS500 SPS490 SPS540 carbon steel tubes mechanical property:
|
Steel Grade |
Tensile strength |
Yield Strength |
Elongation % |
Bendability (²) |
Flattening | Tensile strength in welded zone | ||
|
N/mm² |
N/mm² |
No. 11 and No.12 test pieces
|
No. 5 test piece |
Bend angle |
Inside radius (D: outside diameter of tube)
|
Distance between flattening plates(H) (D: outisde diameter of tube) |
N/? | |
|
SPS 290 |
290 min. |
- |
30 min. |
25 min. |
90° |
6D |
2/3D |
290 min. |
|
SPS 400 |
400 min. |
235 min. |
23 min. |
18 min. |
90° |
6D |
2/3D |
400 min. |
|
SPS 500 |
500 min. |
355 min. |
15 min. |
10 min. |
90° |
6D |
7/8D |
500 min. |
|
SPS 490 |
490 min. |
315 min. |
23 min. |
18 min. |
90° |
6D |
7/8D |
490 min. |
Weight and Dimension of KS D3568 KS D3566 Hollow Structural Tube
|
Diameter |
weight |
area |
Moment inertia |
Section modules |
Radious of Gyration |
|
|
AXB |
Wall thickness |
Kg/m |
cm |
cm4 |
cm |
cm |
|
20x20 |
1.2 1.6 |
0.697 0.872 |
0.865 1.123 |
0.53 0.67 |
0.52 |
0.769 0.751 |
|
25x25 |
1.2 |
0867 |
1.105 |
1 03 |
0.824 |
0.965 |
|
1.6 |
1.12 |
1.432 |
1 27 |
1.02 |
0.942 |
|
|
30x30 |
12 |
1 06 |
1.345 |
1 83 |
1 22 |
1.17 |
|
1.6 |
1.38 |
1.752 |
2.31 |
1.54 |
1.15 |
|
|
40x40 |
1.6 |
1.88 |
2.392 |
5.79 |
2.90 |
1.56 |
|
2.3 |
2.62 |
3.332 |
7.73 |
3.86 |
1.52 |
|
|
50x50 |
1.6 |
2.38 |
3.032 |
11.7 |
4.68 |
1.96 |
|
2.3 |
3.34 |
4.252 |
15.9 |
6.34 |
1.93 |
|
|
3.2 |
4.50 |
5.727 |
20.4 |
8.16 |
1.89 |
|
|
60x60 |
1.6 |
2.88 |
3.672 |
20.7 |
689 |
2.37 |
|
2.3 |
406 |
5.172 |
28.3 |
9.44 |
2.34 |
|
|
3.2 |
5.50 |
7.007 |
369 |
12.3 |
2.30 |
|
|
75x75 |
1.6 |
3.64 |
4.632 |
41.3 |
11.0 |
2.99 |
|
2.3 |
5.14 |
6.552 |
57.1 |
15.2 |
2.95 |
|
|
3.2 |
701 |
8.927 |
75.5 |
20.1 |
2.91 |
|
|
4.5 |
9.55 |
12.17 |
986 |
26.3 |
2.85 |
|
|
90x90 |
2.3 |
6.23 |
7.932 |
101 |
22.4 |
3.56 |
|
3.2 |
8.51 |
10.85 |
135 |
29.9 |
3.52 |
|
|
100x100 |
2.3 |
695 |
8.852 |
140 |
27.9 |
3.97 |
|
3.2 |
9.52 |
12.13 |
187 |
37.5 |
3.93 |
|
|
40 |
117 |
14.95 |
226 |
45.3 |
3.89 |
|
|
4.5 |
13.1 |
16.67 |
249 |
49.9 |
3.87 |
|
|
6.0 |
17.0 |
21.63 |
311 |
62.3 |
3.79 |
|
|
125x125 |
3.2 |
12.0 |
15.33 |
376 |
60.1 |
4.95 |
|
4.5 |
16.6 |
21.17 |
506 |
80.9 |
4.89 |
|
|
5.0 |
18.3 |
23.36 |
553 |
884 |
4.86 |
|
|
6.0 |
21.7 |
27.63 |
641 |
103 |
4.82 |
|
Structural Steel Square Tube Detail
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