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  • JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
    Raian Ionescu
    Material 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
Contact Person : Gao Ben
Phone Number : 18068357371
Whatsapp : +8618068357371

Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes

  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
  • Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes
Minimum Order Quantity 50 Tons
Price US $659-993 / Ton
Product Details
Surface Treatment Black Section Shape Square
Size Range 30*30-500*500 Thickness Range 1.2mm-30.0mm
Length 6M (or Customized) Material A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140
Outer Diameter 20x20 To 500x300 Wall Thickness 0.5mm-15.75mm
Production Capacity 10,000MT Per Month MOQ 10 Tons Per Size
Packing Export Standard Packing (bundles, Seaworthy Package) Lead Time Within 30 Days
Delivery Port Shanghai, China Regular Size 20x20 To 800x800
Thickness Varieties 0.6mm-28mm
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Black Surface Treatment Square Steel Pipe

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SS400 S275JR S355JR Square Steel Tube

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30*30-500*500 Hollow Steel Section
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Product Description
Welded & Seamless Square Steel Pipe & Tube
High-quality square steel tubes available in welded and seamless construction, manufactured from premium steel grades including SS400, S275JR, and S355JR.
Product Specifications
Product Type Size Range Thickness Length
Square Pipe 10mm×10mm - 1000mm×1000mm 1.2mm - 30.0mm Custom Lengths
Rectangle Pipe 20mm×40mm - 400mm×700mm 1.2mm - 30.0mm Custom Lengths
Round Pipe OD 10mm - 1000mm 4mm - 30mm Custom Lengths
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 packaging (bundles, seaworthy packages, container shipment)
  • 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
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sports equipment, and home furniture.
Global Markets
Serving Europe, America, Africa, Southeast Asia, and Asia with reliable steel tube solutions.
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
Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 0 Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 1 Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 2 Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 3 Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 4 Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 5
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 comprehensive size ranges: 20×20mm to 800×800mm square tubes, 20×30mm to 400×800mm rectangular tubes, with thickness from 0.6mm to 28mm, offering up to 2800 different specifications.
Manufacturing Partnerships
As authorized partners 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, we maintain stringent quality standards and reliable supply chains.
Custom Manufacturing
Our facilities include square pipe factory and straight seam welding pipe factory operations. We offer custom processing services for all types of specialized requirements including ornamental patterns, multilateral varieties, 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.
Black Surface Treatment Square Steel Pipe SS400 S275JR S355JR in 30*30-500*500 Sizes 6
Company Advantages
Competitive Pricing
Strategic partnerships with steel manufacturers and advanced management systems enable us to offer the most competitive prices while maintaining strong market presence and financial stability.
Quality Assurance
Professional quality control systems track steel quality from procurement to sales. We promptly address quality concerns with efficient resolution processes to ensure customer satisfaction.
Comprehensive Service
24-hour distribution services via multiple transport methods. Simplified ordering processes through telephone, telex, internet, and remote ordering systems for convenient transaction completion.
Welcome every old and new customer to contact us for negotiations and business communications.
Tags:

ASTM A-500 Square Tube

100 X 50 X T3.0mm Square Pipe

Black Surface Treatment Steel Tube