All Products
-
Stainless Steel Strip
-
Stainless Steel Sheet
-
Stainless Steel Plate
-
Stainless Steel Pipe
-
Stainless Steel Bar
-
Galvanized Steel Coil
-
Steel Plate
-
Steel Round Bar
-
Nickel Alloy
-
Seamless Steel Pipe
-
Stainless Steel Beam
-
Copper Plate Sheet
-
Copper Round Bar
-
stainless steel round bar
-
stainless steel channel bar
-
stainless steel angle bar
-
stainless steel coil strip
-
stainless steel flat bar
-
stainless steel circle
-
Pipe Fitting
-
Water Ripple Stainless Steel Sheet
-
Nickel Alloy and Super Alloy
-
cold rolled steel coil
-
copper
-
Nickel Base Alloy Products
-
Others
-
Raian IonescuMaterial quality very good. we have cooperate more than 10 Years. They trade lots kinds of steel material. All material quality good. They duty for all material quality. We are planing continue cooperate with them in the future
Black Surface Treatment Square Steel Tube with 30*30-500*500 Size Range for Pipeline Transport
Product Details
| Section Shape | Square | Size Range | 10mm*10mm - 1000mm*1000mm |
|---|---|---|---|
| Thickness Range | 1.2mm - 30.0mm | Material | A106B SS400 S235JR S275JR S355JR1020 1045 4140 |
| Surface Treatment | Black Galvanized Or Painted | Standard Length | 6M |
| Outer Diameter | 20x20 - 500x300 | Wall Thickness | 0.5mm - 15.75mm |
| Production Capacity | 10,000MT Per Month | Minimum Order Quantity | 10 Tons Per Size |
| Lead Time | 30 Days | Packing | Bundles, Seaworthy Package |
| Delivery Port | Shanghai, China | HS Code | 7304319000 |
| Transport Package | Wooden Box | ||
| Highlight | Black Surface Treatment Square Steel Tube,30*30-500*500 Size Range Square Steel Pipe,Pipeline Transport Application Hollow Steel Section |
||
Product Description
Steel Square Pipe Tube Specifications
High-quality 50×50mm and 100×100mm steel square pipe tubing available in various dimensions and thicknesses for industrial and structural applications.
Available Product Types
| Product Type | Specifications | Thickness Range |
|---|---|---|
| Round Pipe | OD 10mm - 1000mm | 4mm - 30mm |
| Square Pipe | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm |
Technical Specifications
- Material: A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
- Surface Treatment: Black, galvanized, or painted
- Packing: Export standard packing (bundles, seaworthy package, shipped in container)
- Delivery Port: Shanghai, China
- Lead Time: Within 30 days after receiving original L/C or deposit
- MOQ: 10 Tons per size
- Production Capacity: 10,000MT per month
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sport equipment, and home furniture.
Standard Size Specifications
| Size (Outer Dimensions) | Wall Thickness | Length |
|---|---|---|
| 20×20 / 25×25 | 1.2mm - 2.75mm | 6M in stock (or customized) |
| 30×30 / 20×40 / 30×40 / 25×40 | 1.2mm - 3.5mm | 6M in stock (or customized) |
| 40×40 / 50×50 / 30×50 / 25×50 / 30×60 / 40×60 | 1.2mm - 4.75mm | 6M in stock (or customized) |
| 60×60 / 50×70 / 40×80 / 40×50 | 1.2mm - 5.75mm | 6M in stock (or customized) |
| 70×70 / 60×80 / 50×80 / 100×40 / 50×90 | 1.5mm - 5.75mm | 6M in stock (or customized) |
| 75×75 / 80×80 / 90×90 / 60×100 / 50×100 / 120×60 / 100×80 / 60×90 | 1.5mm - 7.75mm | 6M in stock (or customized) |
| 100×100 / 120×80 | 1.8mm - 7.75mm | 6M in stock (or customized) |
Product Gallery
Company Overview
We are a comprehensive steel pipe enterprise integrating production, processing, and sales. Our main business includes steel tubes, square tubes, seamless square tubes, thick wall square tubes, cold drawn square tubes, and various specialized tubing solutions.
Product Range
We offer complete square tube and rectangular tube specifications with full size ranges from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes, with thickness from 0.6mm to 28mm, totaling over 2,800 specifications.
Manufacturing Partnerships
We maintain excellent cooperative relationships with major steel pipe factories including Tianjin Seamless Steel Pipe Factory, Baotou Steel Pipe Factory, Chengdu Steel Pipe Factory, Wuxi Steel Pipe Factory, and Baosteel Steel Pipe Factory.
Applications
Our products serve steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, mine support, and various industrial applications.
Company Advantages
Competitive Prices
We maintain the lowest prices through strategic partnerships with steel manufacturers and advanced management modes that reduce operating costs.
Quality Assurance
Professional quality control from procurement to sales, with reliable quality tracking and prompt resolution of quality objections.
Sincere Service
24-hour distribution service, multiple transportation options, complete product selection, and simplified ordering processes for customer convenience.
Welcome every old and new customer to come to negotiate and communicate with us. Our main markets include Europe, America, Africa, and Southeast Asia.
Recommended Products

