Product Overview
Youcheng's Thin Wall Seamless Steel Pipe is engineered through advanced hot-rolling and cold-drawing processes to deliver superior structural integrity under pressure. By eliminating the weld seam entirely, our thin-wall tubes guarantee uniform mechanical properties, exceptional dimensional accuracy, and zero risk of seam failure.
Designed for high-performance and lightweight systems, these precision tubes are the preferred choice for hydraulic systems, automotive manufacturing, boiler systems, and critical industrial fluid transport globally.
Technical Specifications
|
Item |
Specification |
|
Product Name |
Thin Wall Seamless Steel Pipe / Precision Seamless Steel Tubing |
|
Outer Diameter (OD) |
6 mm – 168 mm |
|
Wall Thickness |
0.5 mm – 6.0 mm |
|
Length |
1 m – 12 m (or customized cutting length) |
|
Manufacturing Process |
Hot rolling + Cold drawing + Heat treatment |
|
Surface Condition |
Black / Oiled / Galvanized / Polished (SS) / Bright Annealed |
|
Tolerance (OD) |
±0.1 mm – ±0.5 mm (precision grade available) |
|
Tolerance (Wall Thickness) |
±5% (tighter tolerance available for precision tubing) |
|
Straightness |
≤ 1.5 mm/m |
|
End Treatment |
Plain end / Beveled end / Threaded / Customized |
|
Inspection |
Chemical test / Tensile test / UT / Eddy current / Hydrostatic test |
|
Packing |
Bundles / Plastic caps / Waterproof wrapping / Wooden box |
|
Delivery Terms |
FOB / CIF / CFR / EXW |
|
Production Standard |
ASTM / API / DIN / EN / JIS |
Key Features
Seamless Structure (No Weak Points)
• No welding seam risk
• Uniform mechanical properties
• Higher safety under pressure & vibration
Lightweight & High Strength
• Optimized wall thickness design
• Ideal for precision and lightweight systems
High Dimensional Accuracy
• Cold-drawn precision manufacturing
• Tight tolerance control for engineering use
Smooth Surface Finish
• Low friction inner surface
• Suitable for hydraulic and fluid systems
Excellent Pressure Resistance
• Stable performance under medium/high pressure
• Reliable for industrial applications
Applications
Hydraulic Systems
Hydraulic cylinders, high-pressure pipelines, industrial machinery systems
Automotive Industry
Fuel injection systems, braking systems, shock absorber components
Mechanical Engineering
Precision machinery, structural components, industrial equipment
Boiler & Heat Exchange Systems
Heat exchangers, boiler tubes, thermal systems
Energy & EPC Projects
Oil & gas auxiliary pipelines, power plant systems, industrial infrastructure
Manufacturing Process
Our production system ensures consistent quality for global supply:
• High-quality steel billet selection
• Heating & piercing process
• Hot rolling / cold drawing
• Heat treatment (annealing / normalizing)
• Straightening & sizing
• Non-destructive testing (UT / ET / hydro test)
• Surface finishing & anti-rust treatment
• Final inspection & export packaging
Quality Control System
Every pipe is strictly tested before delivery:
Chemical composition analysis
Mechanical property testing
Ultrasonic testing (UT)
Hydrostatic pressure testing
Dimensional inspection
Surface quality inspection
Packaging & Delivery
Packaging Options
• Steel bundle packaging
• Plastic end caps protection
• Waterproof wrapping
• Wooden box for precision tubes
Shipping Terms
• FOB / CFR / CIF / EXW available
• Global logistics support for bulk orders
Why Global Buyers Choose Youcheng
Stable Industrial Supply Chain
• Consistent mass production capability
• Reliable long-term supply for OEM & EPC projects
• Strict production scheduling control
Strict Quality Assurance System
• 100% inspection before shipment
• Chemical & mechanical testing for every batch
• UT / Hydrostatic / Eddy current testing available
Factory Direct Competitive Pricing
• Direct manufacturer (no trading intermediaries)
• Cost advantage for bulk procurement projects
• Optimized production efficiency
Engineering-Level Customization
• OD / wall thickness / length customization
• Special steel grades available
• OEM marking & packaging support
Global Project Experience
• Exported to Europe, Middle East, South America, Southeast Asia
• Widely used in industrial equipment & EPC projects
Our Certificate
FAQ
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