Description
Pipe Type:Stainless Steel Square Tube, Stainless Steel rectangular Tube, Square Hollow Section,  Rectangular Hollow Section
Square Hollow Section:
Outside Diameter: 8mm x 8mm – 150mm x 150mm 
Wall Thickness: 0.5mm – 4mm
Rectangular Hollow Section:
Outside Diameter: 5mm x 20mm – 120mm x 60mm 
Wall Thickness: 0.5mm – 4mm
Standard:ASTM A554,ASTM A249,ASTM A312,DIN11850,JIS G3459,JIS G3448,GB/T12770,GB/T12771 
Steel Grades: 304/304L,316/316L,301,202,201,409,410,430
Surface: Pickled, Bright, Matt, Polished, Mirror.
Application: The high quality Stainless steel rectangular pipe / tube is widely used for building, architecture, industry, safeguard, decoration, tools, etc. 
Packing:  Wooden box :packing for Stainless steel rectangular pipe/tube with mirror surface pipe/tube.
Normal size packing:
1.in bundles packing for Stainless steel rectangular pipe/tube without mirror surface.
2.Wooden and pallet packing.Other packing as per customer requirement.
If you have any Inquiry, please don't hesitate to contact us immediately,Email:sales@union-steels.com
Specification
Standard
Stainless Steel Square Hollow Section Standard Sizes
| 
 
Size mm
 
 | 
 
kg/m
 
 | 
 
Size mm
 
 | 
 
kg/m
 
 | 
| 
 
20 x 20 x 2.0
 
 | 
 
1.12
 
 | 
 
20 x 20 x 2.5
 
 | 
 
1.35
 
 | 
| 
 
25 x 25 x 1.5
 
 | 
 
1.06
 
 | 
 
25 x 25 x 2.0
 
 | 
 
1.43
 
 | 
| 
 
25 X 25 X 2.5
 
 | 
 
1.74
 
 | 
 
25 X 25 X 3.0
 
 | 
 
2.04
 
 | 
| 
 
30 X 30 X 2.0
 
 | 
 
1.68
 
 | 
 
30 X 30 X 2.5
 
 | 
 
2.14
 
 | 
| 
 
30 X 30 X 3.0
 
 | 
 
2.51
 
 | 
 
40 x 40 x 1.5
 
 | 
 
1.81
 
 | 
| 
 
40 x 40 x 2.0
 
 | 
 
2.31
 
 | 
 
40 x 40 x 2.5
 
 | 
 
2.92
 
 | 
| 
 
40 x 40 x 3.0
 
 | 
 
3.45
 
 | 
 
40 x 40 x 4.0
 
 | 
 
4.46
 
 | 
| 
 
40 x 40 x 5.0
 
 | 
 
5.40
 
 | 
 
50 x 50 x 1.5
 
 | 
 
2.28
 
 | 
| 
 
50 x 50 x 2.0
 
 | 
 
2.93
 
 | 
 
50 x 50 x 2.5
 
 | 
 
3.71
 
 | 
| 
 
50 x 50 x 3.0
 
 | 
 
4.39
 
 | 
 
50 x 50 x 4.0
 
 | 
 
5.72
 
 | 
| 
 
50 x 50 x 5.0
 
 | 
 
6.97
 
 | 
 
60 x 60 x 3.0
 
 | 
 
5.34
 
 | 
| 
 
60 x 60 x 4.0
 
 | 
 
6.97
 
 | 
 
60 x 60 x 5.0
 
 | 
 
8.54
 
 | 
| 
 
60 x 60 x 6.0
 
 | 
 
9.45
 
 | 
 
70 x 70 x 3.0
 
 | 
 
6.28
 
 | 
| 
 
70 x 70 x 3.6
 
 | 
 
7.46
 
 | 
 
70 x 70 x 5.0
 
 | 
 
10.11
 
 | 
| 
 
70 x 70 x 6.3
 
 | 
 
12.50
 
 | 
 
70 x 70 x 8
 
 | 
 
15.30
 
 | 
| 
 
75 x 75 x 3.0
 
 | 
 
7.07
 
 | 
 
80 x 80 x 3.0
 
 | 
 
7.22
 
 | 
| 
 
80 x 80 x 3.6
 
 | 
 
8.59
 
 | 
 
80 x 80 x 5.0
 
 | 
 
11.70
 
 | 
| 
 
80 x 80 x 6.0
 
 | 
 
13.90
 
 | 
 
90 x 90 x 3.0
 
 | 
 
8.01
 
 | 
| 
 
90 x 90 x 3.6
 
 | 
 
9.72
 
 | 
 
90 x 90 x 5.0
 
 | 
 
13.30
 
 | 
| 
 
90 x 90 x 6.0
 
 | 
 
15.76
 
 | 
 
90 x 90 x 8.0
 
 | 
 
20.40
 
 | 
| 
 
100 x 100 x 3.0
 
 | 
 
8.96
 
 | 
 
100 x 100 x 4.0
 
 | 
 
12.00
 
 | 
| 
 
100 x 100 x 5.0
 
 | 
 
14.80
 
 | 
 
100 x 100 x 5.0
 
 | 
 
14.80
 
 | 
| 
 
100 x 100 x 6.0
 
 | 
 
16.19
 
 | 
 
100 x 100 x 8.0
 
 | 
 
22.90
 
 | 
| 
 
100 x 100 x 10
 
 | 
 
27.90
 
 | 
 
120 x 120 x 5
 
 | 
 
18.00
 
 | 
| 
 
120 x 120 x 6.0
 
 | 
 
21.30
 
 | 
 
120 X 120 X 6.3
 
 | 
 
22.30
 
 | 
| 
 
120 x 120 x 8.0
 
 | 
 
27.90
 
 | 
 
120 x 120 x 10
 
 | 
 
34.20
 
 | 
| 
 
120 X 120 X 12
 
 | 
 
35.8
 
 | 
 
120 X 120 X 12.5
 
 | 
 
41.60
 
 | 
| 
 
140 X 140 X 5.0
 
 | 
 
21.10
 
 | 
 
140 X 140 X 6.3
 
 | 
 
26.30
 
 | 
| 
 
140 X 140 X 8
 
 | 
 
32.90
 
 | 
 
140 X 140 X 10
 
 | 
 
40.40
 
 | 
| 
 
140 X 140 X 12.5
 
 | 
 
49.50
 
 | 
 
150 X 150 X 5.0
 
 | 
 
22.70
 
 | 
| 
 
150 X 150 X 6.3
 
 | 
 
28.30
 
 | 
 
150 X 150 X 8.0
 
 | 
 
35.40
 
 | 
| 
 
150 X 150 X 10
 
 | 
 
43.60
 
 | 
 
150 X 150 X 12.5
 
 | 
 
53.40
 
 | 
| 
 
150 X 150 X 16
 
 | 
 
66.40
 
 | 
 
150 X 150 X 16
 
 | 
 
66.40
 
 | 
| 
 
180 X 180 X 5
 
 | 
 
27.40
 
 | 
 
180 X 180 X 6.3
 
 | 
 
34.20
 
 | 
| 
 
180 X 180 X 8
 
 | 
 
43.00
 
 | 
 
180 X 180 X 10
 
 | 
 
53.00
 
 | 
| 
 
180 X 180 X 12.5
 
 | 
 
65.20
 
 | 
 
180 X 180 X 16
 
 | 
 
81.40
 
 | 
| 
 
200 X 200 X 5
 
 | 
 
30.50
 
 | 
 
200 X 200 X 6
 
 | 
 
35.8
 
 | 
| 
 
200 x 200 x 6.3
 
 | 
 
38.2
 
 | 
 
200 x 200 x 8
 
 | 
 
48.00
 
 | 
| 
 
200 x 200 x 10
 
 | 
 
59.30
 
 | 
 
200 x 200 x 12.5
 
 | 
 
73.00
 
 | 
| 
 
200 x 200 x 16
 
 | 
 
91.50
 
 | 
 
250 x 250 x 6.3
 
 | 
 
48.10
 
 | 
| 
 
250 x 250 x 8
 
 | 
 
60.50
 
 | 
 
250 x 250 x 10
 
 | 
 
75.00
 
 | 
| 
 
250 x 250 x 12.5
 
 | 
 
92.60
 
 | 
 
250 x 250 x 16
 
 | 
 
117.00
 
 | 
| 
 
300 x 300 x 6.3
 
 | 
 
57.90
 
 | 
 
300 x 300 x 8
 
 | 
 
73.10
 
 | 
| 
 
300 x 300 x 10
 
 | 
 
57.90
 
 | 
 
300 x 300 x 8
 
 | 
 
90.70
 
 | 
| 
 
300 x 300 x 12.5
 
 | 
 
112.00
 
 | 
 
300 x 300 x 16
 
 | 
 
142.00
 
 | 
| 
 
350 x 350 x 8
 
 | 
 
85.70
 
 | 
 
350 x 350 x 10
 
 | 
 
106.00
 
 | 
| 
 
350 x 350 x 12.5
 
 | 
 
132.00
 
 | 
 
350 x 350 x 16
 
 | 
 
167.00
 
 | 
| 
 
400 x 400 x 10
 
 | 
 
122.00
 
 | 
 
400 x 400 x 12
 
 | 
 
141.00
 
 | 
| 
 
400 x 400 x 12.5mm
 
 | 
 
152.00
 
 | 
 
400 x 400 x 16
 
 | 
 
192
 
 | 
Stainless Steel Rectangular Hollow Section Standard Sizes
| 
 
Size mm
 
 | 
 
kg/m
 
 | 
 
Size mm
 
 | 
 
kg/m
 
 | 
| 
 
40 x 20 x 2.0
 
 | 
 
1.68
 
 | 
 
40 x 20 x 2.5
 
 | 
 
2.03
 
 | 
| 
 
40 x 20 x 3.0
 
 | 
 
2.36
 
 | 
 
40 x 25 x 1.5
 
 | 
 
1.44
 
 | 
| 
 
40 x 25 x 2.0
 
 | 
 
1.89
 
 | 
 
40 x 25 x 2.5
 
 | 
 
2.23
 
 | 
| 
 
50 x 25 x 2.0
 
 | 
 
2.21
 
 | 
 
50 x 25 x 2.5
 
 | 
 
2.72
 
 | 
| 
 
50 x 25 x 3.0
 
 | 
 
3.22
 
 | 
 
50 x 30 x 2.5
 
 | 
 
2.92
 
 | 
| 
 
50 x 30 x 3.0
 
 | 
 
3.45
 
 | 
 
50 x 30 x 4.0
 
 | 
 
4.46
 
 | 
| 
 
50 x 40 x 3.0
 
 | 
 
3.77
 
 | 
 
60 x 40 x 2.0
 
 | 
 
2.93
 
 | 
| 
 
60 x 40 x 2.5
 
 | 
 
3.71
 
 | 
 
60 x 40 x 3.0
 
 | 
 
4.39
 
 | 
| 
 
60 x 40 x 4.0
 
 | 
 
5.72
 
 | 
 
70 x 50 x 2
 
 | 
 
3.56
 
 | 
| 
 
70 x 50 x 2.5
 
 | 
 
4.39
 
 | 
 
70 x 50 x 3.0
 
 | 
 
5.19
 
 | 
| 
 
70 x 50 x 4.0
 
 | 
 
6.71
 
 | 
 
80 x 40 x 2.5
 
 | 
 
4.26
 
 | 
| 
 
80 x 40 x 3.0
 
 | 
 
5.34
 
 | 
 
80 x 40 x 4.0
 
 | 
 
6.97
 
 | 
| 
 
80 x 40 x 5.0
 
 | 
 
8.54
 
 | 
 
80 x 50 x 3.0
 
 | 
 
5.66
 
 | 
| 
 
80 x 50 x 4.0
 
 | 
 
7.34
 
 | 
 
90 x 50 x 3.0
 
 | 
 
6.28
 
 | 
| 
 
90 x 50 x 3.6
 
 | 
 
7.46
 
 | 
 
90 x 50 x 5.0
 
 | 
 
10.11
 
 | 
| 
 
100 x 50 x 2.5
 
 | 
 
5.63
 
 | 
 
100 x 50 x 3.0
 
 | 
 
6.75
 
 | 
| 
 
100 x 50 x 4.0
 
 | 
 
8.86
 
 | 
 
100 x 50 x 5.0
 
 | 
 
10.90
 
 | 
| 
 
100 x 60 x 3.0
 
 | 
 
7.22
 
 | 
 
100 x 60 x 3.6
 
 | 
 
8.59
 
 | 
| 
 
100 x 60 x 5.0
 
 | 
 
11.70
 
 | 
 
120 x 80 x 2.5
 
 | 
 
7.65
 
 | 
| 
 
120 x 80 x 3.0
 
 | 
 
9.03
 
 | 
 
120 x 80 x 4.0
 
 | 
 
12.00
 
 | 
| 
 
120 x 80 x 5.0
 
 | 
 
14.80
 
 | 
 
120 x 80 x 6.0
 
 | 
 
17.60
 
 | 
| 
 
120 x 80 x 8.0
 
 | 
 
22.9
 
 | 
 
150 x 100 x 5.0
 
 | 
 
18.70
 
 | 
| 
 
150 x 100 x 6.0
 
 | 
 
22.30
 
 | 
 
150 x 100 x 8.0
 
 | 
 
29.10
 
 | 
| 
 
150 x 100 x 10.0
 
 | 
 
35.70
 
 | 
 
160 x 80 x 5.0
 
 | 
 
18.00
 
 | 
| 
 
160 x 80 x 6.0
 
 | 
 
21.30
 
 | 
 
160 x 80 x 8.0
 
 | 
 
27.90
 
 | 
| 
 
200 x 100 x 5.0
 
 | 
 
22.70
 
 | 
 
200 x 100 x 6.0
 
 | 
 
27.00
 
 | 
| 
 
200 x 100 x 8.0
 
 | 
 
35.4
 
 | 
 
200 x 100 x 10.0
 
 | 
 
43.60
 
 | 
| 
 
250 x 150 x 5.0
 
 | 
 
30.5
 
 | 
 
250 x 150 x 6.0
 
 | 
 
38.2
 
 | 
| 
 
250 x 150 x 8.0
 
 | 
 
48.0
 
 | 
 
250 x 150 x 10
 
 | 
 
59.3
 
 | 
| 
 
300 x 200 x 6.0
 
 | 
 
48.10
 
 | 
 
300 x 200 x 8.0
 
 | 
 
60.50
 
 | 
| 
 
300 x 200 x 10.0
 
 | 
 
75.00
 
 | 
 
400 x 200 x 8.0
 
 | 
 
73.10
 
 | 
| 
 
400 x 200 x 10.0
 
 | 
 
90.70
 
 | 
 
400 x 200 x 16
 
 | 
 
142.00
 
 | 
Process
Packing