Todos los productos
-
Tira de acero inoxidable
-
Hoja de acero inoxidable
-
Placa de acero inoxidable
-
tubería de acero inoxidable
-
Barra de acero inoxidable
-
Bobina de acero galvanizada
-
Placa de acero
-
barra redonda de acero
-
aleación de níquel
-
Tubería de acero inconsútil
-
Haz de acero inoxidable
-
Hoja de la placa de cobre
-
Barra redonda de cobre
-
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 IonescuCalidad material muy buena. tenemos cooperar más de 10 años. Negocian clases de las porciones de material de acero. Toda la calidad material buena. Ellos deber para toda la calidad material. Estamos acepillando para continuar cooperando con ellos en el futuro
Black Surface Treatment Square Steel Pipe and Rectangular Steel Tube in 30*30-500*500 Size Range for Pipeline Transport
Datos del producto
| Tratamiento superficial | Negro | Forma de sección | cuadrado |
|---|---|---|---|
| Rango de tamaño | 30*30-500*500 | OD de las tuberías redondas | 10m m - 1000m m |
| Espesor de tubería redonda | 4m m - 30m m | Tamaño de tubería cuadrada | 10mm*10mm - 1000mm*1000mm |
| espesor de tubería cuadrada | 1,2 mm - 30,0 mm | Tamaño de tubería rectangular | 20mm*40mm - 400mm*700mm |
| Grosor del tubo rectangular | 1,2 mm - 30,0 mm | Tamaño de la sección de la ventana | 28mm/38m m |
| Grosor de la sección de la ventana | 0.5 mm-1.5 mm | Calificaciones de materiales | A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140 |
| Longitud estándar | 6m | Capacidad de producción | 500000 kg |
| Capacidad Mensual | 10,000 MT | ||
| Resaltar | Black Surface Treatment Square Steel Pipe,30*30-500*500 Size Range Rectangular Steel Tube,Pipeline Transport Application Hollow Steel Section |
||
Descripción de producto
Low Price ERW Black Carbon Square/Rectangular Steel Pipe/Tube
High-quality electric resistance welded (ERW) black carbon steel pipes and tubes available in square and rectangular profiles at competitive prices.
Product Specifications
| Product Type | Size Range | Thickness | Length |
|---|---|---|---|
| Round Pipe | OD10mm - 1000mm | 4mm - 30mm | Custom Lengths |
| Square Pipe | 10mm×10mm - 1000mm×1000mm | 1.2mm - 30.0mm | 6M Standard |
| Rectangle Pipe | 20mm×40mm - 400mm×700mm | 1.2mm - 30.0mm | 6M Standard |
| L/T/Z Window Section | 28mm/38mm | 0.5mm - 1.5mm | Custom Lengths |
Technical Details
- Materials: A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
- Surface Treatment: Black, galvanized, or painted finishes
- 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 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
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, and various specialized profiles.
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
- Complete size range: 20×20 - 800×800 square tubes, 20×30 - 400×800 rectangular tubes
- Thickness: 0.6mm - 28mm with over 2,800 specification varieties
- Specialized products: seamless square tubes, alloy square tubes, stainless steel square tubes, non-standard seamless square tubes
- Custom processing available for iron pipes, fence pipes, armrest pipes, heating pipes, decoration pipes, and various special-shaped steel pipes
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 Prices
We maintain the lowest market prices through strategic partnerships with steel manufacturers and efficient operational management. Our strong sales foundation and financial strength enable us to offer cost-effective solutions while maintaining quality standards.
Quality Assurance
Professional quality control systems track product quality from procurement to sales. We maintain reliable quality standards and promptly address any quality concerns with satisfactory resolutions.
Comprehensive Service
24-hour distribution services with multiple transportation options including automobile, railway, and ship. We offer complete steel product varieties with simplified ordering processes through telephone, telex, and internet platforms. Our business philosophy is built on unity, integrity, and advancement.
Welcome every old and new customer to contact us for negotiations and business communications.
Productos recomendados

