We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
Sizes:Wall thickness:2-100mm Outer Diameter:1/2''-60''
Length:1000mm-17000mm
Heat Treatment:As Rolled/Normalised/TMCP/QT
Main Grades:S235JRH,S355J0H,Q215A,Q235B,Q345B,A500 Grade A,STK400
Steel Standard:EN 10210,EN10219,EN10216,GB/T3094,ASTM A500,JIS G3444
Sizes:Wall thickness:2-100mm Outer Diameter:1/2''-60''
Length:1000mm-17000mm
Heat Treatment:As Rolled/Normalised/TMCP/QT
Main Grades:S235JRH,S355J0H,Q215A,Q235B,Q345B,A500 Grade A,STK400
Steel Standard:EN 10210,EN10219,EN10216,GB/T3094,ASTM A500,JIS G3444
Circular hollow section,also called as round steel pipes,chs or round steel tubes.Circular hollow section normally rolled from steel sheets or slit coils or seamless typies rolling from round bars.Supersteel keeps various dimensions circular hollow sections in stock for fast shipment.
Technical Requirements for Circular hollow section:
Non-destructive examination
Low termperature impacting test
All grades done Hydro and Eddy view test
All grades done Flattening and Expansion test
Additional Services
Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
Vanishing,Oil,Hot-Dipped Galvanized,Shot blasting and Painting,Marking,Cutting and welding as per end user’s demands
Steel circular hollow sections may be used in/for:
|
Type |
Weight |
Diameter |
Wall |
|
21.3 x 3.2 CHS |
1.4 |
21.3 |
3.2 |
|
26.9 x 3.2 CHS |
1.9 |
26.9 |
3.2 |
|
33.7 x 2.6 CHS |
2.0 |
33.7 |
2.6 |
|
33.7 x 3.2 CHS |
2.4 |
33.7 |
3.2 |
|
33.7 x 4 CHS |
2.9 |
33.7 |
4 |
|
42.4 x 2.6 CHS |
2.6 |
42.4 |
2.6 |
|
42.4 x 3.2 CHS |
3.1 |
42.4 |
3.2 |
|
42.4 x 4 CHS |
3.8 |
42.4 |
4 |
|
48.3 x 3.2 CHS |
3.6 |
48.3 |
3.2 |
|
48.3 x 4 CHS |
4.4 |
48.3 |
4 |
|
48.3 x 5 CHS |
5.3 |
48.3 |
5 |
|
60.3 x 3.2 CHS |
4.5 |
60.3 |
3.2 |
|
60.3 x 4 CHS |
5.6 |
60.3 |
4 |
|
60.3 x 5 CHS |
6.8 |
60.3 |
5 |
|
76.1 x 3.2 CHS |
5.8 |
76.1 |
3.2 |
|
76.1 x 4 CHS |
7.1 |
76.1 |
4 |
|
76.1 x 5 CHS |
8.8 |
76.1 |
5 |
|
88.9 x 3.2 CHS |
6.8 |
88.9 |
3.2 |
|
88.9 x 4 CHS |
8.4 |
88.9 |
4 |
|
88.9 x 5 CHS |
10.3 |
88.9 |
5 |
|
114.3 x 3.6 CHS |
9.8 |
114.3 |
3.6 |
|
114.3 x 5 CHS |
13.5 |
114.3 |
5 |
|
114.3 x 6.3 CHS |
16.8 |
114.3 |
6.3 |
|
139.7 x 5 CHS |
16.6 |
139.7 |
5 |
|
139.7 x 6.3 CHS |
20.7 |
139.7 |
6.3 |
|
139.7 x 8 CHS |
26.0 |
139.7 |
8 |
|
139.7 x 10 CHS |
32.0 |
139.7 |
10 |
|
168.3 x 5 CHS |
20.1 |
168.3 |
5 |
|
168.3 x 6.3 CHS |
25.2 |
168.3 |
6.3 |
|
168.3 x 8 CHS |
31.6 |
168.3 |
8 |
|
168.3 x 10 CHS |
39.0 |
168.3 |
10 |
|
193.7 x 5 CHS |
23.3 |
193.7 |
5 |
|
193.7 x 5.4 CHS |
25.1 |
193.7 |
5.4 |
|
193.7 x 6.3 CHS |
29.1 |
193.7 |
6.3 |
|
193.7 x 8 CHS |
36.6 |
193.7 |
8 |
|
193.7 x 10 CHS |
45.3 |
193.7 |
10 |
|
193.7 x 12.5 CHS |
55.9 |
193.7 |
12.5 |
|
193.7 x 16 CHS |
70.1 |
193.7 |
16 |
|
219.1 x 5 CHS |
26.4 |
219.1 |
5 |
|
219.1 x 6.3 CHS |
33.1 |
219.1 |
6.3 |
|
219.1 x 8 CHS |
41.6 |
219.1 |
8 |
|
219.1 x 10 CHS |
51.6 |
219.1 |
10 |
|
219.1 x 12.5 CHS |
63.7 |
219.1 |
12.5 |
|
219.1 x 16 CHS |
80.1 |
219.1 |
16 |
|
219.1 x 20 CHS |
98.2 |
219.1 |
20 |
|
244.5 x 6.3 CHS |
37.0 |
244.5 |
6.3 |
|
244.5 x 8 CHS |
46.7 |
244.5 |
8 |
|
244.5 x 10 CHS |
57.8 |
244.5 |
10 |
|
244.5 x 12.5 CHS |
71.5 |
244.5 |
12.5 |
|
244.5 x 16 CHS |
90.2 |
244.5 |
16 |
|
244.5 x 20 CHS |
111.0 |
244.5 |
20 |
|
273 x 6.3 CHS |
41.4 |
273 |
6.3 |
|
273 x 8 CHS |
52.3 |
273 |
8 |
|
273 x 10 CHS |
64.9 |
273 |
10 |
|
273 x 12.5 CHS |
80.3 |
273 |
12.5 |
|
273 x 16 CHS |
101.0 |
273 |
16 |
|
273 x 20 CHS |
125.0 |
273 |
20 |
|
273 x 25 CHS |
153.0 |
273 |
25 |
|
323.9 x 6.3 CHS |
49.3 |
323.9 |
6.3 |
|
323.9 x 8 CHS |
62.3 |
323.9 |
8 |
|
323.9 x 10 CHS |
77.4 |
323.9 |
10 |
|
323.9 x 12.5 CHS |
96.0 |
323.9 |
12.5 |
|
323.9 x 16 CHS |
121.0 |
323.9 |
16 |
|
323.9 x 20 CHS |
150.0 |
323.9 |
20 |
|
323..9 x 25 CHS |
184.0 |
323.9 |
25 |
|
355.6 x 8 CHS |
68.6 |
355.6 |
8 |
|
355.6 x 10 CHS |
85.2 |
355.6 |
10 |
|
355.6 x 12.5 CHS |
106.0 |
355.6 |
12.5 |
|
355.6 x 16 CHS |
134.0 |
355.6 |
16 |
|
355.6 x 20 CHS |
166.0 |
355.6 |
20 |
|
355.6 x 25 CHS |
204.0 |
355.6 |
25 |
|
406.4 x 10 CHS |
97.8 |
406.4 |
10 |
|
406.4 x 12.5 CHS |
121.0 |
406.4 |
12.5 |
|
406.4 x 16 CHS |
154.0 |
406.4 |
16 |
|
406 x 20 CHS |
191.0 |
406.4 |
20 |
|
406.4 x 25 CHS |
235.0 |
406.4 |
25 |
|
406.4 x 32 CHS |
295.0 |
406.4 |
32 |
|
457 x 10 CHS |
110.0 |
457 |
10 |
|
457 x 12.5 CHS |
137.0 |
457 |
12.5 |
|
457 x 16 CHS |
174.0 |
457 |
16 |
|
457 x 20 CHS |
216.0 |
457 |
20 |
|
457 x 25 CHS |
266.0 |
457 |
25 |
|
457 x 32 CHS |
335.0 |
457 |
32 |
|
457 x 40 CHS |
411.0 |
457 |
40 |
All Steel Grades Chart for Steel Circular hollow section:
|
STANDARD |
STEEL GRADE |
|
EN 10210 EN 10219 |
S235JRH,S275J0H,S275J2H,S355J0H,S355J2H,S355K2H
S235JRH,S275J0H,S275J2H,S355J0H,S355J2H,S355K2H |
|
GB/T 3091 GB/T 3094 GB/T 34201 |
Q195,Q215A,Q215B,Q235A,Q235B,Q235C,Q235D,Q275A,Q275B, Q275C,Q275D,Q295A,Q295B,Q345A,Q345B,Q345C,Q345D, Q345E,Q390A,Q390B,Q390C,Q390D,Q390E, 10,20,35,45 |
|
ASTM A500 ASTM A501 |
A500 Grade A,A500 Grade B,A500 Grade C,A500 Grade D A501 Grade A,A501 Grade B |
|
JIS G3444 JIS G3466 |
STK540,STK500,STK490,STK400,STK290 |
|
Type |
Weight |
Diameter |
Wall |
|
21.3 x 3.2 CHS |
1.4 |
21.3 |
3.2 |
|
26.9 x 3.2 CHS |
1.9 |
26.9 |
3.2 |
|
33.7 x 2.6 CHS |
2.0 |
33.7 |
2.6 |
|
33.7 x 3.2 CHS |
2.4 |
33.7 |
3.2 |
|
33.7 x 4 CHS |
2.9 |
33.7 |
4 |
|
42.4 x 2.6 CHS |
2.6 |
42.4 |
2.6 |
|
42.4 x 3.2 CHS |
3.1 |
42.4 |
3.2 |
|
42.4 x 4 CHS |
3.8 |
42.4 |
4 |
|
48.3 x 3.2 CHS |
3.6 |
48.3 |
3.2 |
|
48.3 x 4 CHS |
4.4 |
48.3 |
4 |
|
48.3 x 5 CHS |
5.3 |
48.3 |
5 |
|
60.3 x 3.2 CHS |
4.5 |
60.3 |
3.2 |
|
60.3 x 4 CHS |
5.6 |
60.3 |
4 |
|
60.3 x 5 CHS |
6.8 |
60.3 |
5 |
|
76.1 x 3.2 CHS |
5.8 |
76.1 |
3.2 |
|
76.1 x 4 CHS |
7.1 |
76.1 |
4 |
|
76.1 x 5 CHS |
8.8 |
76.1 |
5 |
|
88.9 x 3.2 CHS |
6.8 |
88.9 |
3.2 |
|
88.9 x 4 CHS |
8.4 |
88.9 |
4 |
|
88.9 x 5 CHS |
10.3 |
88.9 |
5 |
|
114.3 x 3.6 CHS |
9.8 |
114.3 |
3.6 |
|
114.3 x 5 CHS |
13.5 |
114.3 |
5 |
|
114.3 x 6.3 CHS |
16.8 |
114.3 |
6.3 |
|
139.7 x 5 CHS |
16.6 |
139.7 |
5 |
|
139.7 x 6.3 CHS |
20.7 |
139.7 |
6.3 |
|
139.7 x 8 CHS |
26.0 |
139.7 |
8 |
|
139.7 x 10 CHS |
32.0 |
139.7 |
10 |
|
168.3 x 5 CHS |
20.1 |
168.3 |
5 |
|
168.3 x 6.3 CHS |
25.2 |
168.3 |
6.3 |
|
168.3 x 8 CHS |
31.6 |
168.3 |
8 |
|
168.3 x 10 CHS |
39.0 |
168.3 |
10 |
|
193.7 x 5 CHS |
23.3 |
193.7 |
5 |
|
193.7 x 5.4 CHS |
25.1 |
193.7 |
5.4 |
|
193.7 x 6.3 CHS |
29.1 |
193.7 |
6.3 |
|
193.7 x 8 CHS |
36.6 |
193.7 |
8 |
|
193.7 x 10 CHS |
45.3 |
193.7 |
10 |
|
193.7 x 12.5 CHS |
55.9 |
193.7 |
12.5 |
|
193.7 x 16 CHS |
70.1 |
193.7 |
16 |
|
219.1 x 5 CHS |
26.4 |
219.1 |
5 |
|
219.1 x 6.3 CHS |
33.1 |
219.1 |
6.3 |
|
219.1 x 8 CHS |
41.6 |
219.1 |
8 |
|
219.1 x 10 CHS |
51.6 |
219.1 |
10 |
|
219.1 x 12.5 CHS |
63.7 |
219.1 |
12.5 |
|
219.1 x 16 CHS |
80.1 |
219.1 |
16 |
|
219.1 x 20 CHS |
98.2 |
219.1 |
20 |
|
244.5 x 6.3 CHS |
37.0 |
244.5 |
6.3 |
|
244.5 x 8 CHS |
46.7 |
244.5 |
8 |
|
244.5 x 10 CHS |
57.8 |
244.5 |
10 |
|
244.5 x 12.5 CHS |
71.5 |
244.5 |
12.5 |
|
244.5 x 16 CHS |
90.2 |
244.5 |
16 |
|
244.5 x 20 CHS |
111.0 |
244.5 |
20 |
|
273 x 6.3 CHS |
41.4 |
273 |
6.3 |
|
273 x 8 CHS |
52.3 |
273 |
8 |
|
273 x 10 CHS |
64.9 |
273 |
10 |
|
273 x 12.5 CHS |
80.3 |
273 |
12.5 |
|
273 x 16 CHS |
101.0 |
273 |
16 |
|
273 x 20 CHS |
125.0 |
273 |
20 |
|
273 x 25 CHS |
153.0 |
273 |
25 |
|
323.9 x 6.3 CHS |
49.3 |
323.9 |
6.3 |
|
323.9 x 8 CHS |
62.3 |
323.9 |
8 |
|
323.9 x 10 CHS |
77.4 |
323.9 |
10 |
|
323.9 x 12.5 CHS |
96.0 |
323.9 |
12.5 |
|
323.9 x 16 CHS |
121.0 |
323.9 |
16 |
|
323.9 x 20 CHS |
150.0 |
323.9 |
20 |
|
323..9 x 25 CHS |
184.0 |
323.9 |
25 |
|
355.6 x 8 CHS |
68.6 |
355.6 |
8 |
|
355.6 x 10 CHS |
85.2 |
355.6 |
10 |
|
355.6 x 12.5 CHS |
106.0 |
355.6 |
12.5 |
|
355.6 x 16 CHS |
134.0 |
355.6 |
16 |
|
355.6 x 20 CHS |
166.0 |
355.6 |
20 |
|
355.6 x 25 CHS |
204.0 |
355.6 |
25 |
|
406.4 x 10 CHS |
97.8 |
406.4 |
10 |
|
406.4 x 12.5 CHS |
121.0 |
406.4 |
12.5 |
|
406.4 x 16 CHS |
154.0 |
406.4 |
16 |
|
406 x 20 CHS |
191.0 |
406.4 |
20 |
|
406.4 x 25 CHS |
235.0 |
406.4 |
25 |
|
406.4 x 32 CHS |
295.0 |
406.4 |
32 |
|
457 x 10 CHS |
110.0 |
457 |
10 |
|
457 x 12.5 CHS |
137.0 |
457 |
12.5 |
|
457 x 16 CHS |
174.0 |
457 |
16 |
|
457 x 20 CHS |
216.0 |
457 |
20 |
|
457 x 25 CHS |
266.0 |
457 |
25 |
|
457 x 32 CHS |
335.0 |
457 |
32 |
|
457 x 40 CHS |
411.0 |
457 |
40 |
All Steel Grades Chart for Steel Circular hollow section:
|
STANDARD |
STEEL GRADE |
|
EN 10210 EN 10219 |
S235JRH,S275J0H,S275J2H,S355J0H,S355J2H,S355K2H
S235JRH,S275J0H,S275J2H,S355J0H,S355J2H,S355K2H |
|
GB/T 3091 GB/T 3094 GB/T 34201 |
Q195,Q215A,Q215B,Q235A,Q235B,Q235C,Q235D,Q275A,Q275B, Q275C,Q275D,Q295A,Q295B,Q345A,Q345B,Q345C,Q345D, Q345E,Q390A,Q390B,Q390C,Q390D,Q390E, 10,20,35,45 |
|
ASTM A500 ASTM A501 |
A500 Grade A,A500 Grade B,A500 Grade C,A500 Grade D A501 Grade A,A501 Grade B |
|
JIS G3444 JIS G3466 |
STK540,STK500,STK490,STK400,STK290 |
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