MachineU > China Products > Minerals & Metallurgy > Carbon Steel > Steel Pipes > Other Steel Pipes
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Specifications
MOQ :
10 Tons per size
Price :
US $679-1,013 / Ton
Surface Treatment :
Black
Section Shape :
Square
Size Range :
30*30-500*500
Material :
A106B SS400 S235JR S275JR S355JR1020 1045 4140
Thickness Range :
1.2mm-30.0mm
Length :
6M (or customized)
Outer Diameter :
20x20-1000x1000
Wall Thickness :
1.2mm-15.75mm
Production Capacity :
10,000MT/month
Packing :
Bundles, seaworthy package
Lead Time :
30 days after deposit
Delivery Port :
Shanghai, China
Square Tube Size :
20*20-800*800
Rectangle Tube Size :
20*30-400*800
Description
Black Hollow Section Carbon Steel Q235 Square Metal Tube
High-quality carbon steel square tubes and pipes designed for structural applications across various industries.
Product Specifications
Product Type Size Range Thickness Length
Round Pipe OD10mm - 1000mm 4mm - 30mm Custom Length
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 Length
Product Details
  • Material: 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
Applications
Widely used in structural applications, motorbike and automobile manufacturing, ornamental uses, medical equipment, sport 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
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
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, and various specialized steel pipe products.
Product Range
We offer complete square tube and rectangular tube specifications with full size ranges from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes, with thickness from 0.6mm to 28mm, totaling over 2,800 specifications.
Manufacturing Partnerships
We maintain excellent cooperative relationships with major steel pipe factories 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.
Industry Applications
Our products serve steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, decoration, transportation facilities, airport construction, railway vehicles, bridge support, mine support, three-dimensional garage, outdoor advertising, fitness equipment, wind power equipment, and vehicle manufacturing industries.
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Company Advantages
Competitive Prices
We implement low-cost market competition strategies through strong sales foundations, financial strength, and diversified operational modes. Our strategic partnerships with steel manufacturers and advanced management ensure operating costs lower than industry peers.
Quality Assurance
Professional quality control from procurement to sales with comprehensive quality auditing. We continuously track steel mill quality to ensure reliability and provide prompt resolution for any quality concerns.
Sincere Service
24-hour distribution services via automobile, railway, and ship transportation. Complete steel product selection with simplified ordering processes through telephone, telex, internet, and remote ordering options. Our foundation is built on unity and integrity with advancement as our core spirit.
Global Markets
Our main markets include Europe, America, Africa, Southeast Asia, and Asia. We welcome both new and existing customers to negotiate and communicate with us for mutually beneficial partnerships.
Send your message to this supplier
Send Now

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

Ask Latest Price
Product Detail
MOQ :
10 Tons per size
Price :
US $679-1,013 / Ton
Surface Treatment :
Black
Section Shape :
Square
Size Range :
30*30-500*500
Material :
A106B SS400 S235JR S275JR S355JR1020 1045 4140
Contact Supplier
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport
Black Surface Treatment Square Steel Tube 30*30-500*500 Size Range for Pipeline Transport

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

Verified Supplier
4 Years
jiangsu, wuxi
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter
Main Products :
stainless steel roofing sheet, Stainless Steel Strip, Others stainless steel sheet
Total Annual :
>1000000
Employee Number :
>100
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Water Ripple Stainless Steel Sheet
MachineU China Products Minerals & Metallurgy Carbon Steel Steel Pipes Other Steel Pipes
Contact Supplier
Submit Requirement