Square tube is a name for square pipe, which is a steel pipe with equal side lengths. Most square tubes are mostly steel tubes, mostly structural square tubes, decorative square tubes, construction square tubes, etc.
Short Description:
Keywords（pipe type）:carbon steel pipe,Seamless Steel Pipe, Seamless Stainless Steel Pipe, Steel Piping;Hollow Section;Square Pipe
OD:20*20~1200*1200mm
Tinckness:2,3,4,5,6,8,10,12,14,16,18,20mm
Length:5m or Customized
Standard & Grade:ASTM A500, ASTM A53, EN 10210, EN 10219, JIS G 3466, BS 1387, BS 6323
Marterial:S235JR, S355JR, S275JR, C350LO, C250LO, G250, G350（C450LO）
Delivery:Within 30 days and Depends on your order quantity
Payment:TT, LC , OA , D/P
Packing:Waterproof Paper Wrapped, Steel Strips Bundled, Two Tags on Each Bundle
usage:In Industrial Construction, Machinery/Rack/Container manufacturing
Square tubes sizes
|
Size (mm) |
Wall Thickness (mm) |
Size (mm) |
Wall Thickness (mm) |
|
20*20 |
1.2 |
70*70 60*80 100*40 |
1.8 |
|
1.3 |
2 |
||
|
1.4-1.5 |
2.2 |
||
|
1.7 |
2.3 |
||
|
1.8 |
2.5-4.0 |
||
|
2 |
4.5-5.0 |
||
|
2.2 |
5.5-5.75 |
||
|
2.3 |
75*75 60*90 100*50 |
1.8 |
|
|
2.5-2.75 |
2 |
||
|
25*25 20*30 |
1.2 |
2.2 |
|
|
1.3 |
2.3 |
||
|
1.5 |
2.5-4.0 |
||
|
1.7 |
4.5-5.0 |
||
|
1.8 |
5.5-5.75 |
||
|
2 |
80*80 100*60 100*80 120*60 |
2 |
|
|
2.3-2.3 |
2.2 |
||
|
2.5-3.0 |
2.3 |
||
|
30*30 30*40 25*40 20*40 |
1 |
2.5-4.0 |
|
|
1.2 |
4.5-5.0 |
||
|
1.3 |
5.5-5.75 |
||
|
1.5 |
7.5-7.75 |
||
|
1.7 |
100*100 120*80 |
2 |
|
|
1.8 |
2.2 |
||
|
2 |
2.3 |
||
|
2.2 |
2.5-5.0 |
||
|
2.3 |
5.5-5.75 |
||
|
2.5*2.75 |
7.5-7.75 |
||
|
3 |
120*120 140*80 150*100 160*80 |
2.5 |
|
|
40*40 30*50 25*50 |
1.2 |
2.75 |
|
|
1.3 |
3 |
||
|
1.4-1.5 |
3.25-5.0 |
||
|
1.7 |
5.5-7.0 |
||
|
1.8 |
7.5-7.75 |
||
|
2 |
140*140 150*150 200*100 |
3.5-4.0 |
|
|
2.2-2.3 |
4.5-5.0 |
||
|
2.5-4.0 |
5.25-7.0 |
||
|
50*50 60*40 30*60 40*50 |
1.5 |
7.5-7.75 |
|
|
1.7 |
160*160 180*180
|
3 |
|
|
1.8 |
3.5 |
||
|
2 |
3.75 |
||
|
2.2 |
4.0-5.0 |
||
|
2.3 |
5.25-5.75 |
||
|
2.5*-4.0 |
7.5-7.75 |
||
|
4.25-5.0 |
60*60 40*80 75*75 50*70 50*80 |
2.3 |
|
|
60*60 40*80 75*45 50*70 50*80 |
1.5 |
2.5-4.0 |
|
|
1.7 |
4.25-5.0 |
||
|
1.8 |
5.5-5.75 |
||
|
2 |
/ |
||
|
2.2-2.3 |
/ |
Available Quality Standards
ASTM A500 Cold Formed Welded and Seamless Carbon Steel Steel Structural Tubing in Round and Shapes
EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steels
EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels
ASTM A53 used as structural steel or for low-pressure plumbing
Standard Corner Radius(Structural Sizes:)
Max. 3 x Nominal Wall Thickness
|
Mechanical Sizes |
Structural Sizes |
||
|
Largest Nominal Outside Dimension |
Outside Tolerance at all Sides at Corners |
Largest Nominal Outside Dimension |
Outside Tolerance at all Sides at Corners |
|
3/16 to 5/8 |
± 0.004 |
2 1/2 and under |
± 0.020 |
|
over 5/8 to 1 1/8 |
± 0.005 |
over 2 1/2 to 3 1/2 |
± 0.020 |
|
over 1 1/8 to 1 1/2 |
± 0.006 |
over 3 1/2 to 5 1/2 |
± 0.030 |
|
over 1 1/2 to 2 |
± 0.008 |
over 5 1/2 |
± 1% |
|
over 2 to 3 |
± 0.010 |
||
|
over 3 to 4 |
± 0.020 |
||
|
over 4 to 6 |
± 0.020 |
||
|
over 6 to 8 |
± 0.025 |
||
Straightness
Mechanical Sizes: Max. 1/16″ in 3 feet
Structural Sizes: Max. 1/8″ x Number of feet of total length divided by 5
Wall Thickness
Mechanical & Structural Sizes: ± 10% of Nominal Wall Thickness
Squareness of Sides
Mechanical Sizes: Max: ± b = c x 0.006″
b = Tolerance for out-of-square
c = Largest external dimension across flats
Structural Sizes: Adjacent sides may deviate from 90 ° by ± 2 °
Maximum Twist (Mechanical & Structural Sizes)
|
Largest Dimension, inches |
Max. Twist*, inches |
|
over 1/2 to 1 1/2 |
0.050 |
|
over 1 1/2 to 2 1/2 |
0.062 |
|
over 2 1/2 to 4 |
0.075 |
|
over 4 to 6 |
0.087 |
|
over 4 to 8 |
0.100 |
Convexity & Concavity(Mechanical & Structural Sizes)
|
Largest Nominal O.D., Inches |
Tolerance ± Inches |
|
2 1/2 and under |
± 0.010 |
|
over 2 1/2 to 4 |
± 0.015 |
|
over 4 to 8 |
± 0.025 |
Structural Tubing A 500 Requirements
|
Grades |
Chemical |
Physical |
||||||
|
C Max. % |
Mn Max. % |
P Max. % |
S Max. % |
Cu Max. % |
Tensile strength, min. psi |
Yield strength, min. psi |
Elongation in 2 in. |
|
|
Grade B |
0.26 |
/ |
0.04 |
0.05 |
0.20 |
58,000 |
46,000 |
23 |
|
Grade C |
0.23 |
1.35 |
0.04 |
0.05 |
0.20 |
62,000 |
50,000 |
21 |
Usage:
Construction: Hall Structure, Sea Trestle, Airport Structure, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures and Expressway Safety Guards, Balustrade, Decorating, Residential, Ornamental Pipes
Automotive Parts:Motorcar Case,Car and Bus Manufacture, Vehicles
Agriculture: Agricultural Equipment
Industry:Machinery,Solar Stent, Offshore Oil Field, Mine Equipment, Electromechanical Hardware, , heavy engineering, Mining and Resources, Process Engineering, Materials Handling,Mechanical Parts
Traffic:Walking Rails, Roll-up Doors, Guardrail, Plaza Structure, Signage, Road Furniture, Fencing
Logistics Storage: Supermarket Shelves, Containers, Transport Industries, Commercial Construction
Other: Sports Apparatus, Leisure Equipment, Furniture, School Furniture
Scaffolding Tube:
Material Storage Racks, Pallets, Hydraulic Platforms, Trusses, Columns, Purlins, Greenhouse Stands Towers
Post time: Oct-10-2023