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{"title":"Black Surface Treatment Square Steel Tube with 30*30-500*500 Size Range and","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/ef\/bd4c6f490ee840a623f292990ce9-200x200-1\/black_surface_treatment_square_steel_tube_with_30_2a30_500_2a500_size_range_and.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $656-990 \/ Ton","Surface Treatment":"Black","Section Shape":"Square"}}
{"title":"Factory Supply S235JR S355JR Square Tube with Black Surface Treatment Size 40*40","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/b7\/b1955810c8622d5473f345668afd-200x200-1\/factory_supply_s235jr_s355jr_square_tube_with_black_surface_treatment_size_40_2a40_500_2a500.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $650-1,250 \/ Ton","Section Shape":"Square","Size Range":"40*40 - 500*500"}}
{"title":"S355JR Carbon Steel Seamless Square Tube with Black Surface Treatment in 30*30","imgUrl":"https:\/\/img.chinax.com\/nimg\/d1\/ef\/b47b514f844a1c5f6fd437deec8f-200x200-1\/s355jr_carbon_steel_seamless_square_tube_with_black_surface_treatment_in_30_2a30_500_2a500_sizes.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $650-1,250 \/ Ton","Section Shape":"Square","Size Range":"30*30-500*500"}}
{"title":"Black Surface Galvanized Square Steel Tube 30*30-500*500 for Construction and","imgUrl":"https:\/\/img.chinax.com\/nimg\/44\/e5\/70415462ddb53481afb82e500ab1-200x200-1\/black_surface_galvanized_square_steel_tube_30_2a30_500_2a500_for_construction_and_machinery.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $651-985 \/ Ton","Section Shape":"Square","Size Range":"30*30-500*500"}}
{"title":"Low Carbon Seamless Square Steel Pipe with Black Surface Treatment and 30*30-500","imgUrl":"https:\/\/img.chinax.com\/nimg\/ca\/5d\/e7e879193fd877bb13615e5373a8-200x200-1\/low_carbon_seamless_square_steel_pipe_with_black_surface_treatment_and_30_2a30_500_2a500_size_range.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $652-986 \/ Ton","Surface Treatment":"Black","Section Shape":"Square"}}
{"title":"China Black Surface Treatment Seamless Square Steel Pipe 30*30-500*500 for","imgUrl":"https:\/\/img.chinax.com\/nimg\/3a\/1b\/dd8d4123867ed58b6ca2022440eb-200x200-1\/china_black_surface_treatment_seamless_square_steel_pipe_30_2a30_500_2a500_for_construction_and_machinery.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $653-987 \/ Ton","Surface Treatment":"Black","Section Shape":"Square"}}
{"title":"Black Surface Treatment Square Steel Tube 10*10 to 400*400 Size Range Factory","imgUrl":"https:\/\/img.chinax.com\/nimg\/13\/74\/feb5c75461aaa1380c96c199cd8c-200x200-1\/black_surface_treatment_square_steel_tube_10_2a10_to_400_2a400_size_range_factory_direct_supply.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $654-988 \/ Ton","Section Shape":"Square","Size Range":"10*10 to 400*400"}}
Premium galvanized steel pipe and iron rectangular tubing with competitive pricing for industrial applications.
Product Specifications
Product Type
Size Range
Thickness
Length
Round Pipe
OD10mm - 1000mm
4mm - 30mm
Custom lengths available
Square Pipe
10mm×10mm - 1000mm×1000mm
1.2mm - 30.0mm
6M standard (customizable)
Rectangle Pipe
20mm×40mm - 400mm×700mm
1.2mm - 30.0mm
6M standard (customizable)
L/T/Z Window Section
28mm/38mm
0.5mm - 1.5mm
Custom lengths available
Product Details
Materials
A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, and other grades
Surface Treatment
Black, galvanized, or painted finishes
Packing
Export standard packaging (bundles, seaworthy packages, container shipping)
Delivery Port
Shanghai, China
Lead Time
Within 30 days after receiving original L/C or deposit
Minimum Order Quantity
10 Tons per size
Applications
Structural applications
Motorbike and automobile manufacturing
Ornamental uses
Medical equipment
Sports equipment
Home furniture
Production Capacity & Markets
Production Capacity: 10,000MT per month
Main Markets: Europe, America, Africa, Southeast Asia
Standard Size Specifications
Size (Outer Dimensions)
Wall Thickness
Length
20×20 / 25×25
1.2mm - 2.75mm
6M in stock (customizable)
30×30 / 20×40 / 30×40 / 25×40
1.2mm - 3.5mm
6M in stock (customizable)
40×40 / 50×50 / 30×50 / 25×50 / 30×60 / 40×60
1.2mm - 4.75mm
6M in stock (customizable)
60×60 / 50×70 / 40×80 / 40×50
1.2mm - 5.75mm
6M in stock (customizable)
70×70 / 60×80 / 50×80 / 100×40 / 50×90
1.5mm - 5.75mm
6M in stock (customizable)
Product Gallery
Company Overview
We are a comprehensive steel pipe enterprise integrating production, processing, and sales. Our extensive product range 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 manufacturers including Tianjin, Baotou, Chengdu, Wuxi, and Baosteel steel pipe factories. Our two large pipe factories produce over 2,800 different specifications ranging from 20×20mm to 800×800mm square tubes and 20×30mm to 400×800mm rectangular tubes with thicknesses from 0.6mm to 28mm.
Applications
Steel structures and large venues
Exhibition centers and起重 machinery
Shipbuilding and storage shelves
Decoration and transportation facilities
Airport construction and railway vehicles
Bridge support and mine support
Three-dimensional garages and outdoor advertising
Fitness equipment and wind power equipment
Vehicle manufacturing and other industries
Company Advantages
Competitive Pricing
Strategic partnerships with steel manufacturers ensure lowest market prices. Advanced management reduces operating costs while maintaining strong development trends.
Quality Assurance
Professional quality control from procurement to sales. Continuous tracking of steel mill quality ensures reliable products. Quick resolution of quality objections.
Sincere Service
24-hour distribution service via automobile, railway, and ship. Complete steel product selection with simplified ordering through telephone, telex, and internet platforms.
Contact Us: We welcome all customers to negotiate and communicate with us for your steel tubing requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative... Our company is located in Wuxi City, China, we are a stainless steel plate, seamless steel pipe, round steel, steel belt, decorative pipe and other products distribution wholesale private enterprise. Our company operates stainless steel plate, seamless steel pipe, round steel, steel belt, decorative...