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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
ASTM A36 Black Surface Treatment 25X25 Square Steel Tube and Steel Hollow Section for Construction and Machinery
Product Details
| Surface Treatment | Black | Section Shape | Square |
|---|---|---|---|
| Size Range | 30*30-500*500 | Material | A106B SS400 S235JR S275JR S355JR1020 1045 4140 |
| Surface Finish | Black Galvanized Or Painted | Thickness Range | 1.2mm-30.0mm |
| Length | 6M (or Customized) | Outer Diameter | 20x20-1000x1000mm |
| Wall Thickness | 1.2mm-15.75mm | Production Capacity | 10,000MT Per Month |
| Minimum Order Quantity | 10 Tons Per Size | Lead Time | Within 30 Days |
| Packing | Bundles, Seaworthy Package | Square Tube Sizes | 20*20-800*800mm |
| Rectangle Tube Sizes | 20*30-400*800mm | ||
| Highlight | ASTM A36 Square Steel Tube,Black Surface Treatment Steel Hollow Section,25X25 Size Rectangular Tube |
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Product Description
ASTM A36 Rectangular Tube / Steel Hollow Section 25x25 Square Tube
High-quality square steel tubes manufactured to ASTM A36 standards, available in various sizes and specifications for industrial and structural applications.
Product Specifications
Available Steel Tube Types
| Product Type | Size Range | Thickness |
|---|---|---|
| Round Pipe | OD10mm - 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 |
Additional 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
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental purposes, medical equipment, sport equipment, and home furniture.
Standard Size Specifications
Regular Stock Sizes
| 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
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, 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 square tube and rectangular tube specifications covering sizes from 20×20mm to 800×800mm for square tubes and 20×30mm to 400×800mm for rectangular tubes, with thickness ranging from 0.6mm to 28mm. Our product catalog includes over 2,800 different specifications.
Applications
Our steel tubes serve various 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 Prices
We maintain strong sales foundations and financial strength with diversified operational modes. Our strategic partnerships with steel manufacturers ensure competitive pricing while maintaining quality standards.
Quality Assurance
Professional quality control from procurement to sales with comprehensive quality audits. We continuously track steel mill quality to ensure reliable products and provide efficient resolution for any quality concerns.
Sincere Service
24-hour distribution service with multiple transportation options including automobile, railway, and ship. We offer complete steel products with numerous varieties and simplified ordering processes through telephone, telex, and internet platforms.
Welcome every old and new customer to come to negotiate and communicate with us. Our foundation is built on "Unity, integrity" with "Advancement" as our guiding spirit.
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