Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"Black Surface Treatment Square Steel Tube 25x25 to 200x200 for Pipeline","imgUrl":"https:\/\/img.chinax.com\/nimg\/54\/6a\/6e53a4e11f5d0a2d1c3e6b16ee23-200x200-1\/black_surface_treatment_square_steel_tube_25x25_to_200x200_for_pipeline.jpg","attrs":{"Minimum Order Quantity":"50 Tons","Price":"US $660-994 \/ Ton","Section Shape":"Square","Size Range":"25x25 to 200x200"}}
{"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"}}
High-quality carbon steel square pipes available in sizes from 25x25mm to 200x200mm, perfect for structural applications across various industries.
Product Specifications
Product Type
Size Range
Thickness
Square Pipe
10mm×10mm - 1000mm×1000mm
1.2mm - 30.0mm
Rectangle Pipe
20mm×40mm - 400mm×700mm
1.2mm - 30.0mm
Round Pipe
OD10mm - 1000mm
4mm - 30mm
Product Details
Materials: A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
Surface Treatment: Black, galvanized, or painted
Standard Length: 6 meters (custom lengths available)
Packing: Export standard packaging (bundles, seaworthy containers)
Delivery Port: Shanghai, China
Lead Time: Within 30 days after receiving L/C or deposit
MOQ: 10 Tons per size
Production Capacity: 10,000MT per month
Applications
Widely used in structural applications, automotive manufacturing, ornamental work, medical equipment, sports equipment, and home furniture.
Standard Size Specifications
Size (Outer Dimension)
Wall Thickness
Length
20x20 / 25x25
1.2mm - 2.75mm
6M (Customized Available)
30x30 / 20x40 / 30x40 / 25x40
1.2mm - 3.5mm
6M (Customized Available)
40x40 / 50x50 / 30x50 / 25x50
1.2mm - 4.75mm
6M (Customized Available)
60x60 / 50x70 / 40x80 / 40x50
1.2mm - 5.75mm
6M (Customized Available)
100x100 / 120x120 / 140x140 / 150x150
1.8mm - 10.0mm
6M (Customized Available)
200x200 / 250x250 / 300x300 / 400x400
3.5mm - 15.75mm
6M (Customized Available)
Product Gallery
About Our Company
We are a comprehensive steel pipe enterprise specializing in production, processing, and sales of various steel tubes including square tubes, seamless square tubes, thick wall square tubes, and specialized profiles.
Product Range
Our manufacturing capabilities include square tubes from 20×20mm to 800×800mm and rectangular tubes from 20×30mm to 400×800mm, with thickness ranging from 0.6mm to 28mm across 2,800 different specifications.
Industry Applications
Our products serve multiple industries including steel structures, large venues, exhibition centers, lifting machinery, shipbuilding, storage shelves, transportation facilities, airport construction, railway vehicles, and wind power equipment.
Company Advantages
Competitive Pricing
Strategic partnerships with steel manufacturers ensure lowest market prices while maintaining strong financial stability and diverse operational models.
Quality Assurance
Professional quality control from procurement to sales with comprehensive auditing and tracking to ensure reliable product quality and quick resolution of quality concerns.
Comprehensive Service
24-hour distribution services via multiple transport methods, complete product catalog, and streamlined ordering processes through various communication channels.
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...
