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
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 & Delivery
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)
Data supplied by Alibaba.com
$3,000+ 1
Values-10-50-2.5k0k2.5k5k
Main Markets
CD 100%
steel square rectangle pipe ERW Square and Rectangular Hollow Tube
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
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
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 & Delivery
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)
Data supplied by Alibaba.com
$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 |
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