Specifications
Standard:ASTM, DIN, JIS, ANSI B36.10M-2004, ASME B36.10M-2004, ASME B36.19M-1985, ASTM A106-2006, ASTM A513-2007, ASTM A671-2006, DIN 1626, DIN EN 10208-1-1998, DIN EN 10305, JIS G4051
Grade:16Mn, A53-A369, Q195-Q345, ST35-ST52, 16Mn, A106(B,C), A210, A53(A,B), Q195, Q215, Q235, Q345, ST35, St42, St42-2, St45, St45-4, St45-8
Thickness:0.8 - 25 mm
Section Shape:square and rectangle
Place of Origin:Henan, China (Mainland)
Secondary Or Not:Non-secondary
Application:Structure Pipe,
Car girder, beam, transmission shaft and car chassis parts, etc.
Technique:Hot Rolled
Certification:ISO
Surface Treatment:annealing and galvanized
Special Pipe:API Pipe
Alloy Or Not:Non-alloy
Product name:square steel pipe
Type:hot rolling
Material:ST37-2, S235JR,S275JR,S355J2, S355J2H, ST52-3, SS400, STKR400,A36
Surface:black, oil, varnish, zinc coated
Length:4-12mtr or as required
Usage:structural projects. Trailers, Frames, Shelves, Racks, Ornamental
Pipe ends:plain ends, radius corners
End protector:none
sample:free for sample
steel square pipe:square steel pipe
Packaging Details:
1. Small OD: In bundles with steel strips
2. Large OD: In bulk
3. Wrapped in waterproof plastic woven bag
4. As required
Delivery Detail:
Shipped in 20 days after payment
Customs Data
Product Activity (past 1 year)
$3,000+ 1
Values-10-50-2.5k0k2.5k5k
Main Markets
CD 100%
steel square rectangle pipe ERW Square and Rectangular Hollow Tube
| Product |
Square Steel Tube |
Material |
A36,
SS400,
STKR400,
ST37-2, ST52-3,
S235JR, S275JR, S355J2, S355J2H |
| Standard |
ASTM A500, ASTM A513 |
| Surface |
black, oil, varnish, zinc coated |
| Pipe Length |
4-12mtr or as required |
| Pipe Ends |
plain ends, radius corners |
| Application |
structural projects. Trailers, Frames, Shelves, Racks, Ornamental |
| Test |
Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior
Size Inspection |
| Productivity |
15000 tons per month |
| Min Order |
1 ton |
| Remark |
Special design available according to requirement
All the production process are made under the ISO9001-2000, API, CE |
| |
Width
(mm) |
Thickness
(mm) |
Length
(m) |
Theoretical Weight
(kg/m) |
| 20 |
2.0 |
6/9/12 |
0.31 |
| 20 |
2.5 |
6/9/12 |
0.39 |
| 20 |
2.75 |
6/9/12 |
0.43 |
| 25 |
2.5 |
6/9/12 |
0.49 |
| 25 |
3.75 |
6/9/12 |
0.74 |
| 30 |
2.5 |
6/9/12 |
0.59 |
| 30 |
3.5 |
6/9/12 |
0.82 |
| 30 |
9.75 |
6/9/12 |
2.30 |
| 40 |
3.5 |
6/9/12 |
1.10 |
| 40 |
4.75 |
6/9/12 |
1.50 |
| 40 |
11.75 |
6/9/12 |
3.69 |
| 50 |
2.75 |
6/9/12 |
1.08 |
| 50 |
4.5 |
6/9/12 |
1.77 |
| 50 |
9.75 |
6/9/12 |
3.83 |
| 60 |
5.5 |
6/9/12 |
2.60 |
| 60 |
7.5 |
6/9/12 |
3.53 |
| 60 |
11.5 |
6/9/12 |
5.42 |
| 80 |
5.5 |
6/9/12 |
3.45 |
| 80 |
7.5 |
6/9/12 |
4.71 |
| 80 |
11.75 |
6/9/12 |
7.38 |
| 100 |
3.25 |
6/9/12 |
2.55 |
| 100 |
4.75 |
6/9/12 |
3.73 |
| 100 |
7.5 |
6/9/12 |
5.89 |
| 120 |
9.75 |
6/9/12 |
9.18 |
| 120 |
11.75 |
6/9/12 |
11.07 |
| 150 |
9.75 |
6/9/12 |
11.48 |
| 150 |
11.5 |
6/9/12 |
13.54 |
| 150 |
13.5 |
6/9/12 |
15.90 |
| 160 |
11.75 |
6/9/12 |
14.76 |
| 200 |
9.5 |
6/9/12 |
14.92 |
| 250 |
5.75 |
6/9/12 |
11.28 |
| 340 |
7.75 |
6/9/12 |
20.68 |
1. No cracks and internal defects
2. Straightness
3. Without burrs or drops
4. Without surface scale
5. Smooth surface, no scratches
6. If welded: Welding line is good and tidy, no virtual welding; If seamless, no welding seam
7. The corner of square/rectangular tube is a little bit oval
Products Display:
Company Profile:
Wugang Chang Yu Long Industry and Trade Co., Ltd. was established in 2002,the Guangzhou LongShengHing Trading Co.,Ltd and Hongkong Chang Yu Long Trade Co.,Limited was establish in 2008.(The founder Mr.yan, the charge of the production department of the Hesteel Group Co.,Ltd.Hesteel is the world's second largest and China largest iron&steel maker and integrated service provider measured by the production capacity.he has been in steel industry for more than thirty years).
The Wugang Chang Yu Long Industry and Trade Co., Ltd. develop high-end product at first,like heavy plate,and gradually develop a more wide range of product.now the product contain steel plate,hot rolled steel coils,colded rolled steel coil,PPGI,galvanized steel coil,round bar,steel rebar,wire rod,etc.
Our product reach the specification of ASTM,JIS,BS,DIN and othe international standard and our shipbuilding plate get certificate of nine country classification society.
If you have any needs of steel products, can contact me, welcome to inquiry.
Wugang Hongxing Metal Material Co., Ltd. Is located in Wuyang City and is specialized in manufacturing Steel Plates. With an experienced and professional team, we have exported our products to many countries and regions all over the world, especially Southeast Asia, the Middle East and Eastern Europe. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Audited Supplier 
Technique:Hot Rolled
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