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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

China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery

  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
  • China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery
Minimum Order Quantity 50 Tons
Price US $653-987 / Ton
Product Details
Surface Treatment Black Section Shape Square
Size Range 30*30-500*500 Round Pipe OD 10mm - 1000mm
Round Pipe Thickness 4mm - 30mm Square Pipe Size 10mm*10mm - 1000mm*1000mm
Square Pipe Thickness 1.2mm - 30.0mm Rectangle Pipe Size 20mm*40mm - 400mm*700mm
Rectangle Pipe Thickness 1.2mm - 30.0mm Material A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140
Standard Length 6M Production Capacity 10,000MT Per Month
Minimum Order Quantity 10 Tons Per Size Wall Thickness Range 0.5mm - 15.75mm
Surface Options Black, Galvanized, Painted
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Black Surface Treatment Square Steel Pipe

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30*30-500*500 Square Tube

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Seamless Hollow Steel Pipe
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Product Description
Black Square Steel Pipe - Seamless & Galvanized Options
Comprehensive range of square steel tubes including seamless black iron and galvanized varieties for industrial applications.
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, container shipment)
  • 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
Comprehensive size range available with 6M standard length or custom lengths:
Small to Medium Sizes
Size Range Wall Thickness
20×20 / 25×25 1.2mm - 2.75mm
30×30 / 20×40 / 30×40 / 25×40 1.2mm - 3.5mm
40×40 / 50×50 / 30×50 / 25×50 / 30×60 / 40×60 1.2mm - 4.75mm
Medium to Large Sizes
Size Range Wall Thickness
60×60 / 50×70 / 40×80 / 40×50 1.2mm - 5.75mm
70×70 / 60×80 / 50×80 / 100×40 / 50×90 1.5mm - 5.75mm
75×75 / 80×80 / 90×90 / 60×100 / 50×100 / 120×60 / 100×80 / 60×90 1.5mm - 7.75mm
Large & Heavy-Duty Sizes
Size Range Wall Thickness
100×100 / 120×80 1.8mm - 7.75mm
120×120 / 130×130 / 180×80 / 160×80 / 100×150 / 140×80 / 140×60 2.5mm - 10.0mm
140×140 / 150×150 / 100×180 / 200×100 2.5mm - 10.0mm
Product Gallery
China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 0 China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 1 China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 2 China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 3 China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 4 China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for Construction and Machinery 5
Company Overview
We are a comprehensive steel pipe enterprise integrating production, processing, and sales operations. Our extensive product range includes steel tubes, square tubes, seamless square tubes, thick wall square tubes, cold drawn square tubes, and specialized profiles.
Product Range
  • Full size range: 20×20 - 800×800 square tubes, 20×30 - 400×800 rectangular tubes
  • Thickness: 0.6mm - 28mm with over 2,800 specification varieties
  • Materials: Q235B, Q345B, 16MN, stainless steel, alloy, and non-standard seamless square tubes
  • Custom processing available for iron pipes, fence pipes,扶手 pipes, heating pipes, and decorative pipes
Industry Applications
Steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, mine support,立体 garages, outdoor advertising, fitness equipment, wind power equipment, and vehicle manufacturing.
Company Advantages
Competitive Pricing
Strategic partnerships with major steel manufacturers ensure lowest market prices. Advanced management systems maintain operational efficiency and cost-effectiveness.
Quality Assurance
Professional quality control from procurement to sales. Continuous tracking of steel mill quality ensures reliable products. Quick resolution of quality concerns with satisfactory outcomes.
Comprehensive Service
24-hour distribution service with multiple transport options. Complete steel product catalog with numerous varieties. Simplified ordering process via telephone, telex, internet, and remote ordering systems.
Main Markets: Europe, America, Africa, Southeast Asia
We welcome both existing and new customers 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