Black Surface Treatment Square Steel Tube with 30*30-500*500 Size Range for Pipeline Transport

Price Negotiable
Price: US $671-1,005 / Ton
MOQ: 20 Tons
Delivery Time: Negotiable
Product Description
Welded Carbon Hollow Section Steel Tubes
Professional manufacturer of square, rectangular, and round steel tubes for industrial applications.
Available Products
Product Type Specifications Thickness Range
Square Steel Tube 10mm×10mm - 1000mm×1000mm 1.2mm - 30.0mm
Rectangle Pipe 20mm×40mm - 400mm×700mm 1.2mm - 30.0mm
Round Pipe OD10mm - 1000mm 4mm - 30mm
L/T/Z Window Section 28mm/38mm 0.5mm - 1.5mm
Product 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
  • Structural applications
  • Motorbike and automobile manufacturing
  • Ornamental uses
  • Medical equipment
  • Sport equipment
  • Home furniture
Standard Size Specifications
Regular Stock Sizes
Size (Outer Dimensions) Wall Thickness Length
20x20 / 25x25 1.2mm - 2.75mm 6M in stock (or customized)
30x30 / 20x40 / 30x40 / 25x40 1.2mm - 3.5mm 6M in stock (or customized)
40x40 / 50x50 / 30x50 / 25x50 / 30x60 / 40x60 1.2mm - 4.75mm 6M in stock (or customized)
60x60 / 50x70 / 40x80 / 40x50 1.2mm - 5.75mm 6M in stock (or customized)
70x70 / 60x80 / 50x80 / 100x40 / 50x90 1.5mm - 5.75mm 6M in stock (or customized)
75x75 / 80x80 / 90x90 / 60x100 / 50x100 / 120x60 / 100x80 / 60x90 1.5mm - 7.75mm 6M in stock (or customized)
100x100 / 120x80 1.8mm - 7.75mm 6M in stock (or customized)
120x120 / 130x130 / 180x80 / 160x80 / 100x150 / 140x80 / 140x60 2.5mm - 10.0mm 6M in stock (or customized)
140x140 / 150x150 / 100x180 / 200x100 2.5mm - 10.0mm 6M in stock (or customized)
160x160 / 180x180 / 200x150 3.5mm - 11.0mm 6M in stock (or customized)
200x200 / 250x150 / 100x250 3.5mm - 11.0mm 6M in stock (or customized)
250x250 / 250x200 / 300x150 / 300x200 4.5mm - 15.0mm 6M in stock (or customized)
300x300 / 350x200 / 350x250 / 300x150 4.5mm - 15.0mm 6M in stock (or customized)
350x350 / 350x300 / 450x250 / 400x300 / 500x200 4.5mm - 15.75mm 6M in stock (or customized)
400x400 / 280x280 / 450x300 / 450x200 / 400x350 / 400x250 / 500x250 / 500x300 4.5mm - 15.75mm 6M in stock (or customized)
Product Gallery
Welded carbon steel square tubes in various sizes Rectangular steel tubes for structural applications Industrial steel tube manufacturing facility Quality inspection of steel tubes Steel tube packaging for export Steel tube applications in construction
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, right angle square tubes, hot dip galvanized square tubes, stainless steel square tubes, alloy square tubes, and non-standard seamless square tubes.
We maintain strategic partnerships with major steel pipe factories including Tianjin, Baotou, Chengdu, Wuxi, and Baosteel. Our company operates two large pipe factories: a square pipe factory and a straight seam welding pipe factory, producing over 2,800 different specifications ranging from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes with thickness from 0.6mm to 28mm.
Main 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 garage and outdoor advertising
  • Fitness equipment and wind power equipment
  • Vehicle manufacturing and other industries
Company facilities and manufacturing capabilities
Company Advantages
Competitive Prices
We maintain strong sales foundations and financial strength with diversified operational modes. Our strategic partnerships with steel manufacturers ensure we implement low-cost market competition while maintaining strong development trends.
Excellent Quality
Professional quality control from procurement to sales ensures reliable quality. We track steel mill quality consistently and provide prompt resolution for any quality concerns with satisfactory acceptance results.
Sincere Service
24-hour distribution service via automobile, railway, and ship transportation. Complete steel product selection with simplified ordering through telephone, telex, internet, and remote ordering options. Our foundation is "Unity, integrity" with an "Advance" spirit.
Welcome every old and new customer to come to negotiate and communicate with us for your steel tube requirements.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Location No.283-1, Youyi Middle Road, Xishan District, Wuxi City, Jiangsu Province
Contact Person Gao Ben

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