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{"title":"Grade 1020 1045 Seamless Steel Square Pipe with Black Surface Treatment and 30","imgUrl":"https:\/\/img.chinax.com\/nimg\/93\/9c\/83f870a6e6f526d877325e73f521-200x200-1\/grade_1020_1045_seamless_steel_square_pipe_with_black_surface_treatment_and_30.jpg","attrs":{"Minimum Order Quantity":"10 Tons per size","Price":"US $683-1,017 \/ Ton","Section Shape":"Square","Size Range":"20x20mm - 500x500mm"}}
{"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 seamless steel square and rectangle pipes designed for structural applications, available in various grades including 1020, 1045, and multiple international standards.
Product Specifications
Product Type
Size Range
Thickness
Length
Square Pipe
10mm×10mm - 1000mm×1000mm
1.2mm - 30.0mm
Custom
Rectangle Pipe
20mm×40mm - 400mm×700mm
1.2mm - 30.0mm
Custom
L/T/Z Window Section
28mm/38mm
0.5mm - 1.5mm
Custom
Technical Details
Materials: A106B, SS400, S235JR, S275JR, S355JR, 1020, 1045, 4140, etc.
Surface Treatment: Black, galvanized, or painted finishes
Packing: Export standard packaging (bundles, seaworthy packages, 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
Standard Size Specifications
Available in 6-meter standard lengths (custom lengths available):
Widely used in various industrial and structural applications:
Structural frameworks and building construction
Motorbike and automobile manufacturing
Ornamental and architectural elements
Medical equipment frameworks
Sports equipment and fitness machinery
Home furniture and interior design
Steel structures and large venues
Exhibition centers and storage shelves
Shipbuilding and transportation facilities
Airport construction and railway vehicles
Bridge support and mining equipment
Three-dimensional garage systems
Outdoor advertising structures
Wind power equipment manufacturing
Company Advantages
Competitive Pricing
Strategic partnerships with major steel manufacturers ensure lowest market prices while maintaining quality standards.
Quality Assurance
Professional quality control from procurement to sales, with comprehensive tracking and rapid resolution of quality concerns.
Sincere Service
24-hour distribution services, multiple transportation options, and simplified ordering processes for customer convenience.
Serving global markets including Europe, America, Africa, and Southeast Asia. Welcome inquiries from both new and existing customers.
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...