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Home > Rectangular Steel Tubes > Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
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Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube
Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube

Shs Rhs Galvanized Ptr 80X80 100X100 Carbon Steel Rectangular Square Tube

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Product Description

Technical Specifications
Model NO.
Q235 Q355 A36 S400 20# 355JR
Type
Welded
Technique
Hot Rolled
Material
Carbon Steel
Surface Treatment
Black
Section Shape
Rectangular / Square
Out Diameter
1/2"-48"
Wall Thickness
0.5mm-80mm
Certification
ASME, ANSI, DIN, JIS, BS, GB, Ks, API
Alloy or Not
Not Alloy
Length
12m, 11.8m, 6m, 5.8m, or as Required
Tolerance
±1%
Production Capacity
50000 Tons/Month
Origin
China
Product Overview

Black Carbon Square Tube Hollow Section Square And Rectangular Steel Pipe

Square tubes are versatile structural components available in both seamless and welded variations. Seamless square tubes are manufactured by extruding seamless circular tubes to achieve precise dimensions and high structural integrity.

Square Carbon Steel Pipe

Our product range includes thick-walled square steel pipe, large diameter options, and low alloy variants such as Q345B. These are essential for high-load applications including tower cranes and structural framing.

Steel Pipe Section
Carbon Steel Tube

We provide a comprehensive selection of piping solutions tailored to diverse industrial needs:

  • Welded and Seamless Pipes
  • Plastic Lined and Spiral Pipes
  • Galvanized and Rectangular Carbon Steel Tubes
Welded Square Tube
Category Feature Specifications
Standard Global Compliance API5L, ASTM A106/A53 Gr.B, JIS G3463, GB/T8163-2008
Surface Treatment Prime quality (bared, oiled, color paint, 3LPE anti-corrosive)
Round Pipe Size Range OD: 20mm-1219mm | WT: 0.6mm-20mm
Square Pipe Size Range OD: 5mm-1000mm | WT: 0.4mm-40mm
Steel Plate Size Range Thickness: 2mm-100mm | Width: Up to 2250mm
Production Detail 1
Production Detail 2
Industrial Applications
Square tubes are vital for construction, machinery manufacturing, shipbuilding, solar power supports, power plant engineering, and agricultural machinery. They are also extensively used in automobile chassis, airport infrastructure, and highway railings.
Application 1
Application 2
Frequently Asked Questions
What materials are used for these square tubes?
We use high-quality carbon steel grades including Q195, Q235, Q345, Q355, A36, and SS400 to ensure structural durability.
Can the pipes be customized to specific lengths?
Yes, while standard lengths are 5.8m, 6m, 11.8m, and 12m, we can provide customized lengths based on your project requirements.
What surface treatments do you offer for corrosion protection?
Options include black finish, oiled surfaces, color painting, 3LPE coating, and other specialized anti-corrosive treatments.
What is the typical delivery time?
For stock items, delivery is immediate. For custom production, it usually takes within 10 to 45 days after receipt of order.
Are both seamless and welded square tubes available?
Yes, we provide both ERW welded square tubes and seamless square tubes extruded from high-quality circular billets.
What certifications do your steel products hold?
Our products comply with international standards including API, ASME, ANSI, DIN, JIS, and GB certifications.

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