Powered by Made-in-China.com
Black Annealed Square Hollow Section Steel Tube for Scaffolding Support
US$500.00
25-99 Tons
US$480.00
100-299 Tons
US$470.00
300-499 Tons
US$450.00
500+ Tons
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableType
WeldedTechnique
Hot RolledModel NO.
0.09-3.0mmMaterial
Carbon SteelSurface Treatment
GalvanizedUsage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special PurposeSection Shape
Equilateral Angle BarProduct Name
Galvanized Steel PipeThickness
3mm-35mmGrade
Q195-Q420 SeriesLength
6m-12mMaterials
A36 Q235/Q235B/Q345/Q345b/S235Certificate
ISO,SGS,CE,Cqcandthirdpart InspetShape
Square, RectangleZinc Layer
20-275g/Tensile Strength
400-550MPaYield Strength
≥235MPaFeatures
Stronger Protection and Corrosion ResistanceApplications
Curtain Wall, Construction, Machinery ManufacturinCategory
Hot-DIP Galvanizing, Electro-GalvanizingStandard
ASTM A53, En 10255, BS 1387, GB/T 3091, etc.Coils Weight
3-22tonsTransport Package
Iron Belt Fastened, Orcustomize PavkaSpecification
Galvanized steelTrademark
SDRDOrigin
ChinaProduction Capacity
50000ton/MonthKey features
Extensive Material Grades: Available in Q235, Q345B, Q345C, Q345D, Q345E, Q355E and more.
Wide Size Range: Square tubes 16x16 to 1000x1000mm; Thickness 0.4 to 50.0mm.
Customizable Length: Standard 6000mm or 9000mm, fully customizable upon request.
Superior Corrosion Resistance: Hot-dip and electro-galvanizing with zinc layer 20-275g/m2.
High Tensile Strength: Tensile strength ranges from 400 to 550MPa for durability.
Multiple Application Scopes: Suitable for curtain walls, construction, machinery, and pipelines.
Flexible Customization: Full customization, minor customization, and sample-based options.
International Standards: Complies with ASTM A53, EN 10255, BS 1387, and GB/T 3091.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.99h
AI-Powered supplier vetting
SummaryThe supplier operates in metal materials and construction-related products, with stated production of galvanized, galvalume, prepainted steel coils, and corrugated steel sheets. It reports two GI/GL production lines and three PPGI/PPGL lines, and processes materials according to customer requirements. Export sales represent 90% of total sales, with four years of export experience, and quotations can be offered on FOB, CIF, CFR, and EXW terms. Customization options range from sample- and design-based work to full customization. However, the supplier is not identified as a professional technical supplier, does not provide 3D software design, has no stated in-stock, overseas warehouse, overseas agent, branch, or showroom capability, and has not participated in offline trade shows. Quality assurance is stated, but supplier approval, corrective-action, and complaint-handling records are incomplete. Innovation evidence is limited, with no new product reported in the past year and no SDK. Customer cases and...
Supplier typeThe supplier is presented as a metal-materials and construction-products seller and producer, covering steel coils, corrugated steel sheets, metal products, mechanical equipment, and related processing. It is explicitly not classified as a professional technical supplier, indicating a product-oriented manufacturing/trading profile rather than a technical-service provider.
Financial creditThe financial-information slice reports zero operating revenue, operating cost, gross profit, and operating profit for the stated periods. These figures provide no positive evidence of operating financial performance and raise a material credibility concern, although the context does not explain whether the values reflect actual results, missing data, or reporting limitations.
R&D capabilityThe supplier reports no new products during the past year, no available SDK, and no 3D software design service. It does offer ODM services, but the available evidence does not demonstrate active product innovation or software-enabled R&D capability.
Production capacityThe supplier states that it operates two GI/GL production lines and three PPGI/PPGL production lines, producing galvanized and prepainted steel coils and corrugated steel sheets while processing materials to customer requirements. Nevertheless, it reports no in-stock service capacity, and the provided production description is incomplete regarding output, capacity, equipment details, and manufacturing controls.
Customization capabilityThe supplier lists customization from samples, minor and flexible customization, full customization, and customization from designs. Its company description also states that it processes materials according to clients’ requirements, while ODM and OEM services are reported as available, providing explicit evidence of broad customization support.
Product Q&A
Q:What services can we provide?
A:
We are an iron and steel enterprise integrating industry and trade,Our company have been in steel business for more than ten years, we are internationally experienced, professional, and we can provide variety of steel products with high quality to our clients.
Q:How is your Payment Term?
A:
Our usual payment methods are T/T, L/C, D/A, D/P, Western Union, MoneyGram, payment methods can be negotiated and customized with customers.
Q:Can we visit your factory?
A:
Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
Q:Can you provide sample?
A:
Yes, for regular sizes sample is free but buyer need to pay freight cost.
Q:How can I get a quotation from you ?
A:
You can leave us message, and we will reply every message in time. Or we may talk on line by Trademanager. And you can also find our contact information on contact page.
Send Inquiry
*To:
Shandong Ruida Steel Co., Ltd.
Shandong Ruida Steel Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Rectangle Steel Pipe Custom Size Hollow Section Pipe Carbon Square Tube
US$350.00-500.00
1 Ton(MOQ)
Shs Hollow Section Hot Rolled Carbon Square Steel Tube
US$550.00-950.00
5 Tons(MOQ)
ASTM A36 Rectangular Shs Hollow Section Steel Square Tube
US$500.00-900.00
5 Tons(MOQ)
Black Annealed Welded Square Rectangular Hollow Steel Tube with Huge Stock
US$580.00-650.00
10 Tons(MOQ)
Welded Carbon Hollow Section Oil Bright Cold Rolled Rectangular Square Steel Tube
US$650.00-800.00
1 Ton(MOQ)
Hot Selling 200X200 100X100 50X50 Hollow Section Square Tube Steel
US$550.00-610.00
10 Tons(MOQ)
ST011 Galvanized steel pipe square hollow Section steel tube fence post for farm fence
US$1,300.00-1,500.00
25 Tons(MOQ)
ASTM A500 Grb 50*50 Cold Formed Carbon Pipe Structural Hollow Section Mild Ms Profile Square Steel Tube
US$499.00-560.00
25 Tons(MOQ)
Q235 Square Metal Black Hot Rolled Rectangular Tube ERW Hollow Section
US$500.00-599.00
5 Tons(MOQ)
ASTM A36 Rectangular Tube / Steel Hollow Section 25X25 Square Tube
US$665.00-999.00
20 Tons(MOQ)
Stainless Cold Formed Structural Steel Hollow Sections Steel Square Tube 20X20
US$400.00-650.00
1 Ton(MOQ)



















