Square Tube

Square Tube

Square tube is an extruded product that is widely used for all types of fabrication projects where lightweight and corrosion resistance is a primary concern. Square tube has square corners inside and outside, with no weld seam.Square tube is a steel tube with the same side length. It is not very heavy and has high compressive and torsional strength. It is widely used in machinery manufacturing and other fields. The specification marking method of square tube is mainly expressed by side width*side width*tube wall thickness.

Square Tube Size

Sizes:20 mm x 20 mm - 400 mm x 400 mm
Width: 2 mm - 20 mm

Types of Square Tube


Classification Basis
Type Name
Categorized By Material
Carbon Steel Square Tube
Alloy Steel Square Tube
Stainless Steel Square Tube
Molding Processes
ERW Square Tube
LSAW Square Tube
SSAW square tube
Seamless Square Tube
Rolling Or Finishing Type
Hot Rolled Square Steel Tube
Hot Finished Square Tube
Cold Drawn Square Tube
Anti-Corrosion Coating
Pre Galvanized Square Tube
Zinc-Aluminum-Magnesium Coated Square Tubes
black square tube(NO coating)
Punching or not
perforated square tube
Ordinary square tube
Shape
Right Angle Square Tube
Round Arc Angle Square Tube
Wall Thickness
Thin-walled square tubes
Medium and thick walled square tubes
Thick-walled square tubes
Ultra-thick wall square tube
Caliber Size
Small diameter square steel tube
Regular caliber square tubes
Custom caliber square tubes
Large caliber square tube
Alloying Elements
16 Mn Square Steel Tube
Chromoly Square Tube ,etc.
Standard
EN 10219 Square Tube
AS 1163 Square Steel Tube
JIS G3466 Square Steel Tube
Grade
Grada A Square Steel Tube
S355J0H Square Tube
C350 Square Steel Tube
SS400 Square Steel Tube
Applications
Structural square tubing
Square tubes for mechanical structures
Square steel pipe for tower crane
Square steel tubes for ships, etc.

Standard of Square Tube

EN 10210:S235JRH,S355J2H,S355NH,S355J0H
EN 10219:S235JRH,S355J2H,S355NH,S355J0H
ASTM A500:Gr.A,Gr.B,Gr.C

ASTM A312 TP304,304L,316,316L


Application
Hydraulic Pipe, Structure Pipe
Special Pipe
Thick Wall Pipe
Thickness
0.8 - 16 mm
Length
12M, 6m, 6.4M
Certificate
API, ce, Bsi, rohs, SNI, BIS, SASO, PVOC, SONCAP, SABS, sirm, tisi, KS, JIS, GS, ISO9001
Processing Service
Welding, Punching, Cutting, Bending, Decoiling
Product name
Square Steel Pipe
Technique
Hot Rolled
Outer Diameter
10*10-600*600
standard
API, ASTM, BS, DIN, GB, JIS
Surface
Galvanized,Black,Painting
Material
Q195/Q235/Q345
Length
5.8m,6m,12m
Shape
Square
grade
45#, 10Cr9Mo1VNb, 15NiCuMoNb5, A315,Q345, ST35, St52
Keyword
ASTM A106 GR.B Galvanized Seamless Pipe,
Square Tube & Pipe, Square Hollow Section (SHS), Carbon Steel Square Tube, Square Structural Steel Tubing


What are the characteristics and uses of square tubes?


1. Square tube product description

Square tube is a hollow square cross-section light thin-walled steel tube, also known as steel cold-bent profile. It is a square cross-section steel made of Q235 hot-rolled or cold-rolled strip or coil as the base material, cold-bent and then welded by high-frequency welding. In addition to the thickening of the wall thickness, the corner size and edge straightness of the hot-rolled extra-thick-walled square tube reach or even exceed the level of the resistance-welded cold-formed square tube. It has good comprehensive mechanical properties, good weldability, cold and hot processing performance and corrosion resistance, and good low-temperature toughness.

2. Square tube use

Square structural tubes are corrosion-resistant, moisture-proof, and resistant to extreme temperatures. This ensures structural robustness in many industrial applications. The uses of square tubes include projects such as construction, machinery manufacturing, steel construction, shipbuilding, solar power generation brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler construction, and highway railings. There are also house buildings, pressure vessels, oil storage tanks, bridges, power station equipment, lifting and transportation machinery and other high-load welded structural parts. Recyclability is very important to maintain the sustainability of stainless steel materials, and square structural tubes are highly recyclable. This reduces the impact on the environment.

square tubessquare tubes

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