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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 and Rectangular Steel Pipes 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 |
| Square Pipe Size | 10mm*10mm - 1000mm*1000mm | Rectangle Pipe Size | 20mm*40mm - 400mm*700mm |
| Thickness Range | 1.2mm - 30.0mm | Material | A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140 |
| Standard Length | 6M | Wall Thickness | 1.2mm - 15.75mm |
| Production Capacity | 10,000MT Per Month | MOQ | 10 Tons Per Size |
| Lead Time | 30 Days | Packing | Export Standard Packing |
| Delivery Port | Shanghai, China | ||
| Highlight | Black Surface Treatment Square Steel Pipe,30*30-500*500 Size Range Rectangular Steel Pipe,Pipeline Transport Application Hollow Steel Section |
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Product Description
High Quality Low Alloy Square and Rectangular Steel Pipes and Tubes
We specialize in manufacturing premium low alloy square and rectangular steel pipes and tubes for diverse industrial applications.
Product Specifications
| Product Type | Size Range | Thickness | Length |
|---|---|---|---|
| Square Steel Tube | Round Pipe: OD10mm - 1000mm Square Pipe: 10mm×10mm - 1000mm×1000mm Rectangle Pipe: 20mm×40mm - 400mm×700mm L/T/Z Window Section: 28mm/38mm |
1.2mm - 30.0mm | Any length available |
Technical Details
- 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
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sports 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) |
| 120×120 / 130×130 / 180×80 / 160×80 / 100×150 / 140×80 / 140×60 | 2.5mm - 10.0mm | 6M in stock (or customized) |
| 140×140 / 150×150 / 100×180 / 200×100 | 2.5mm - 10.0mm | 6M in stock (or customized) |
| 160×160 / 180×180 / 200×150 | 3.5mm - 11.0mm | 6M in stock (or customized) |
| 200×200 / 250×150 / 100×250 | 3.5mm - 11.0mm | 6M in stock (or customized) |
| 250×250 / 250×200 / 300×150 / 300×200 | 4.5mm - 15.0mm | 6M in stock (or customized) |
| 300×300 / 350×200 / 350×250 / 300×150 | 4.5mm - 15.0mm | 6M in stock (or customized) |
| 350×350 / 350×300 / 450×250 / 400×300 / 500×200 | 4.5mm - 15.75mm | 6M in stock (or customized) |
| 400×400 / 280×280 / 450×300 / 450×200 / 400×350 / 400×250 / 500×250 / 500×300 | 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 operations. Our extensive product range 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 custom non-standard seamless square tubes.
We maintain strategic partnerships with major steel pipe manufacturers including Tianjin Seamless Steel Pipe Factory, Baotou Steel Pipe Factory, Chengdu Steel Pipe Factory, Wuxi Steel Pipe Factory, and Baosteel Steel Pipe Factory. Our company operates two large pipe factories specializing in square pipe and straight seam welding pipe production.
Product Range
We offer complete specifications from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes, with thickness ranging from 0.6mm to 28mm. Our inventory includes over 2,800 different specifications to meet diverse customer requirements.
Custom Manufacturing
We provide custom processing services for iron pipes, fence pipes, armrest pipes, heating pipes, decoration pipes, and various special-shaped steel pipes. Custom orders are welcome with no minimum quantity restrictions.
Industry Applications
Our products serve multiple industries including steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, mine support, three-dimensional garages, outdoor advertising, fitness equipment, wind power equipment, and vehicle manufacturing.
Company Advantages
Competitive Pricing
We implement strategic low-cost operations through strong sales foundations, financial strength, and diversified business models. Our advanced management systems ensure operating costs remain lower than industry peers while maintaining strong development momentum.
Quality Assurance
Professional quality control systems monitor every step from procurement to sales. We maintain continuous quality tracking with steel mills to ensure reliable product quality. Quality objections are addressed promptly with satisfactory resolution.
Comprehensive Service
24-hour distribution services via automobile, railway, and ship transportation. Complete steel product portfolio with numerous varieties. Simplified ordering process through telephone, telex, internet, and remote ordering options. Our business philosophy is built on "Unity, integrity" as our foundation and "Advancement" as our core spirit.
Main Markets: Europe, America, Africa, Southeast Asia
We welcome both existing and new customers to contact us for negotiations and business communications.
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