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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
Low Carbon Seamless Square Steel Pipe with Black Surface Treatment and 30*30-500*500 Size Range
Product Details
| Surface Treatment | Black | Section Shape | Square |
|---|---|---|---|
| Size Range | 30*30-500*500 | Material | A106B SS400 S235JR S275JR S355JR1020 1045 4140 |
| Thickness Range | 1.2mm-30.0mm | Length | 6M (or Customized) |
| Outer Diameter | 20x20-800x800 | Wall Thickness | 0.6mm-28mm |
| Production Capacity | 500000kgs | Monthly Capacity | 10,000MT |
| MOQ | 10 Tons Per Size | Lead Time | Within 30 Days |
| Packing | Wooden Box | Surface Options | Black, Galvanized, Painted |
| Transport Options | Automobile, Railway, Ship | ||
| Highlight | Low Carbon Square Steel Pipe,Black Surface Treatment Seamless Square Tube,30*30-500*500 Hollow Steel Section |
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Product Description
Mild Black Low Carbon Seamless Square Steel Pipes and Tubes
As a leading China supplier, we offer high-quality mild black low carbon seamless square steel pipes and tubes at competitive prices for global markets.
Product Specifications
| Product Type | Size Range | Thickness | Length |
|---|---|---|---|
| Square Pipe | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm | Customized |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm | Customized |
| Round Pipe | OD10mm - 1000mm | 4mm - 30mm | Any length |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm | Customized |
Material Options
A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, and other steel grades
Surface Treatment
Black, galvanized, or painted finishes available
Applications
- Structural construction
- Motorbike and automobile manufacturing
- Ornamental applications
- Medical equipment
- Sport equipment
- Home furniture
Standard Size Specifications
| Size (Outer Dimension) | 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
Company Overview
We are a comprehensive steel pipe enterprise integrating production, processing, and sales operations. Our specialization includes steel tubes, square tubes, seamless square tubes, thick wall square tubes, cold drawn square tubes, and various specialized steel pipe products.
Product Range
We manufacture square tubes and rectangular tubes in full size ranges from 20×20mm to 800×800mm for square tubes and 20×30mm to 400×800mm for rectangular tubes, with thickness from 0.6mm to 28mm, offering up to 2800 different specifications.
Manufacturing Partnerships
We maintain authorized partnerships 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.
Industry 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 garages and outdoor advertising
- Fitness equipment and wind power equipment
- Vehicle manufacturing and other industries
Company Advantages
Competitive Pricing
Strategic partnerships with steel manufacturers ensure lowest operating costs and competitive market pricing while maintaining strong financial stability and diversified operations.
Quality Assurance
Professional quality control from procurement to sales with comprehensive quality audits and continuous tracking of steel mill quality to ensure reliable product performance.
Sincere Service
24-hour distribution services via automobile, railway, and ship transport. Complete steel product portfolio with simplified ordering processes through telephone, telex, and internet platforms.
Business Details
| 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 |
| Minimum Order Quantity | 10 Tons per size |
| Production Capacity | 10,000 MT per month |
| Main Markets | Europe, America, Africa, Southeast Asia |
Welcome every old and new customer to come to negotiate and communicate with us.
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