Powered by Made-in-China.com
High-Strength Seamless Alloy Steel Tubes: Built for Longevity & Reliable Performance
US$650.00
10-49 Tons
US$600.00
50-199 Tons
US$500.00
200+ Tons
Sample price:US$20.00/meter.Request sample
Product profile
Customization
AvailableType
SeamlessTechnique
Hot RolledMaterial
Carbon SteelSurface Treatment
BlackUsage
Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special PurposeSection Shape
RoundOd
10-420mmWt
1-60mmLength
6-12mStandard
ASTM A106/53, A516API 5L Gr.B X52, X60Transport Package
Standard Packing for ExportSpecification
20-420mmTrademark
tongmaoOrigin
ChinaHS Code
7304199000Production Capacity
5000tons/MonthCompany profile
Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs CertifiedExport Year: 10 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤5.99h
AI-Powered supplier vetting
SummaryThe supplier is a limited-company trading company with eight employees and a product scope covering copper, aluminum, steel, brass, and stainless-steel products. It has self-operated import/export rights, eight years of export experience, and exports account for 71%–90% of total sales. Production information states annual capacity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. However, the supplier reports no overseas showrooms, agents, branches, or offline trade-show participation, and has no written complaint-handling, corrective-action, or supplier-service assessment procedures. Quality controls include quality assurance, but finished products are randomly inspected and checked by packing staff, with one quality inspector and no raw-material traceability. Innovation and formal R&D capabilities are limited: no new products were launched in the previous year, and no 3D design, ODM, SDK, or popular-brand OEM services are...
After-Sales capabilityThe supplier has no overseas showroom, overseas agent or branch, or offline trade-show participation. It also has no written corrective-and-preventive-action procedures, complaint-handling procedures, or effective supplier-service assessment records, although it accepts multiple quotation and payment terms and reports lead times within 15 working days.
R&D capabilityThe supplier reports no new products in the previous year and does not provide 3D software design, ODM, SDK, or popular-brand OEM services. Its stated R&D-related service is customization from samples, indicating limited innovation capability rather than a documented product-development program.
Production capacityThe supplier provides stated annual productivity of 500,000 tons for steel pipe and 10,000 tons for copper pipe, with peak- and off-season lead times both within 15 working days. It has export experience of eight years, self-operated import/export rights, and export sales of 71%–90%; however, quality inspection is limited to random inspection, packing-staff checks, one inspector, and no raw-material traceability.
Customization capabilityCustomization from samples is explicitly available in both the R&D/design-related and product-capability information. No broader 3D, ODM, SDK, or formal product-development capability is stated, so the confirmed capability is sample-based customization.
Send Inquiry
*To:
Shandong Tongmao Special Steel Co., Ltd.
Shandong Tongmao Special Steel Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Wholesale Ready-to-Ship Hot-Rolled Deformation High Hardness Seamless Steel Tube for Drainage Engineering
US$520.00-550.00
100 Tons(MOQ)
High Value for Money Industrial Applications Anti-Wear Integrated Seamless Steel Tube for Chemical Piping
US$520.00-550.00
100 Tons(MOQ)
High-Strength Square Steel Tube for Construction and Engineering Solutions
US$550.00-650.00
1 Ton(MOQ)
Precision Seamless Alloy Tube for Heat Exchangers High Corrosion Resistance and Long Service
US$550.00-600.00
20 Tons(MOQ)
High-Strength and High-Performance Patterned Stainless Steel Tubes
US$666.00-888.00
1 Ton(MOQ)
25Mn High-Strength Steel Honed Tube for Hydraulic Cylinders
US$0.80-1.60
1 kg(MOQ)
ASTM A691 1.25cr Alloy Steel Efw Welded Tube for High Pressure Service Tube
US$520.00-620.00
1 Ton(MOQ)
Hot Rolled Seamless 12cr1mo Fitting Metal Tube Connections for High-Performance Piping
US$520.00-620.00
5 Tons(MOQ)
High Strength Seamless Structural Tube for Truss Columns and Architectural Steel Frame Systems
US$550.00-600.00
20 Tons(MOQ)
Ultra-Strong Seamless Alloy Steel Tubes – Designed for Long-Term Performance
US$500.00-650.00
10 Tons(MOQ)
Customized Bestsellers High Compatibility High Toughness Seamless Steel Tube for Construction Engineering
US$520.00-550.00
100 Tons(MOQ)
High-Strength Carbon Steel Square Tube for Mechanical and Construction Use
US$550.00-650.00
1 Ton(MOQ)
High-Strength, Corrosion-Resistant Incoloy 925 Seamless Tubes for Harsh Environments
US$9.90-40.00
100 kg(MOQ)
High-Performance A335 P91 Alloy Tubes for Industrial Use
US$400.00-560.00
1 Ton(MOQ)
for Power Generation Heat Exchanger System High Performance Tp347 Stainless Steel Seamless Tube
US$2,000.00-4,500.00
1 Ton(MOQ)
ASTM A369 Fp22 Alloy Steel Welded Tube for High Temperature Pipeline Tube
US$520.00-620.00
1 Ton(MOQ)



















