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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
| Surface Treatment | Black | Section Shape | Square |
|---|---|---|---|
| Size Range | 30*30-500*500 | Round Pipe OD | 10mm - 1000mm |
| Round Pipe Thickness | 4mm - 30mm | Square Pipe Size | 10mm*10mm - 1000mm*1000mm |
| Square Pipe Thickness | 1.2mm - 30.0mm | Rectangle Pipe Size | 20mm*40mm - 400mm*700mm |
| Rectangle Pipe Thickness | 1.2mm - 30.0mm | L/T/Z Thickness | 0.5mm - 1.5mm |
| Material Grades | A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140 | Standard Length | 6M |
| Wall Thickness Range | 1.2mm - 15.75mm | Production Capacity | 10,000MT Per Month |
| MOQ | 10 Tons Per Size | ||
| Highlight | Black Surface Treatment Square Steel Tube,30*30-500*500 Size Range Hollow Steel Section,Pipeline Transport Application Welded Steel Pipe |
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Product Description
Welded Carbon Hollow Section Steel Tubes
Professional manufacturer of square, rectangular, and round steel tubes for industrial applications.
Available Products
| Product Type | Specifications | Thickness Range |
|---|---|---|
| Square Steel Tube | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm |
| Round Pipe | OD10mm - 1000mm | 4mm - 30mm |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm |
Product Specifications
Materials: 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
Main Markets: Europe, America, Africa, Southeast Asia
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
Main Markets: Europe, America, Africa, Southeast Asia
Applications
- Structural applications
- Motorbike and automobile manufacturing
- Ornamental uses
- Medical equipment
- Sport equipment
- Home furniture
Standard Size Specifications
Regular Stock Sizes
| Size (Outer Dimensions) | Wall Thickness | Length |
|---|---|---|
| 20x20 / 25x25 | 1.2mm - 2.75mm | 6M in stock (or customized) |
| 30x30 / 20x40 / 30x40 / 25x40 | 1.2mm - 3.5mm | 6M in stock (or customized) |
| 40x40 / 50x50 / 30x50 / 25x50 / 30x60 / 40x60 | 1.2mm - 4.75mm | 6M in stock (or customized) |
| 60x60 / 50x70 / 40x80 / 40x50 | 1.2mm - 5.75mm | 6M in stock (or customized) |
| 70x70 / 60x80 / 50x80 / 100x40 / 50x90 | 1.5mm - 5.75mm | 6M in stock (or customized) |
| 75x75 / 80x80 / 90x90 / 60x100 / 50x100 / 120x60 / 100x80 / 60x90 | 1.5mm - 7.75mm | 6M in stock (or customized) |
| 100x100 / 120x80 | 1.8mm - 7.75mm | 6M in stock (or customized) |
| 120x120 / 130x130 / 180x80 / 160x80 / 100x150 / 140x80 / 140x60 | 2.5mm - 10.0mm | 6M in stock (or customized) |
| 140x140 / 150x150 / 100x180 / 200x100 | 2.5mm - 10.0mm | 6M in stock (or customized) |
| 160x160 / 180x180 / 200x150 | 3.5mm - 11.0mm | 6M in stock (or customized) |
| 200x200 / 250x150 / 100x250 | 3.5mm - 11.0mm | 6M in stock (or customized) |
| 250x250 / 250x200 / 300x150 / 300x200 | 4.5mm - 15.0mm | 6M in stock (or customized) |
| 300x300 / 350x200 / 350x250 / 300x150 | 4.5mm - 15.0mm | 6M in stock (or customized) |
| 350x350 / 350x300 / 450x250 / 400x300 / 500x200 | 4.5mm - 15.75mm | 6M in stock (or customized) |
| 400x400 / 280x280 / 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 | 4.5mm - 15.75mm | 6M in stock (or customized) |
Product Gallery
About Our Company
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, right angle square tubes, hot dip galvanized square tubes, stainless steel square tubes, alloy square tubes, and non-standard seamless square tubes.
We maintain strategic partnerships with major steel pipe factories including Tianjin, Baotou, Chengdu, Wuxi, and Baosteel. Our company operates two large pipe factories: a square pipe factory and a straight seam welding pipe factory, producing over 2,800 different specifications ranging from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes with thickness from 0.6mm to 28mm.
Main Applications
- Steel structures and large venues
- Exhibition centers and lifting machinery
- Shipbuilding and storage shelves
- Decoration and transportation facilities
- Airport construction and railway vehicles
- Bridge support and mine support
- Three-dimensional garage and outdoor advertising
- Fitness equipment and wind power equipment
- Vehicle manufacturing and other industries
Company Advantages
Competitive Prices
We maintain strong sales foundations and financial strength with diversified operational modes. Our strategic partnerships with steel manufacturers ensure we implement low-cost market competition while maintaining strong development trends.
Excellent Quality
Professional quality control from procurement to sales ensures reliable quality. We track steel mill quality consistently and provide prompt resolution for any quality concerns with satisfactory acceptance results.
Sincere Service
24-hour distribution service via automobile, railway, and ship transportation. Complete steel product selection with simplified ordering through telephone, telex, internet, and remote ordering options. Our foundation is "Unity, integrity" with an "Advance" spirit.
Welcome every old and new customer to come to negotiate and communicate with us for your steel tube requirements.
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