Sunny@tenjan.com
Custom Sizes OD10-108mm-ASTM/EN/DIN/JIS/GOST Certified-Small-Batch Friendly
| Parameter | Key Features |
| Outer Diameter | 10-108mm (0.39"-4.25") • Fully customizable |
| Wall Thickness | 1-20mm (0.039"-0.79") • ±0.1mm precision tolerance |
| Materials | Carbon Steel • Alloy Steel • Special grades available |
| Process | Cold Drawn Cold Rolled for superior finish |
| Standard | Typical Grades We Supply |
| GB | DT4,Y15,10#,20#,20G,Q235,25Mn,35#,45#,55# |
| ASTM | 1215,1008,1010,1020,A105,A106 Gr.B,A36,1026,1035,1045,1055,SA179,SA192 |
| EN | DC01,11SMn30,P235TR1,P195GH,P265TR2,C20,E235 |
| DIN | DC01,11SMn30,CK10,C10,ST35.8,CK20,C20, ST45.8,St37,S235JR,C26D,CK35,Ck45,CK55 |
| JIS | SUM22,S10C/ STKM11A,STPT370,STB35,S20C,STKM12, STKM13,STPT410,STB42,SS400,S35C,S45C,S55C |
| GOST | 08КП,10,20,Ст3сп,25,35,45,55 |
| Other Speical Grades can be customized | |
| Industry | Key Applications Parts | Relevant Standards | Our Advantages |
| General Structural | Square Rectangular Tubes | GB/T 3094, ASTM A500,EN 10210 | Good Surface, lightweight, precision dimensions (±0.1mm) |
| Automotive and Motorcycle Component | Shock Absorbers，Steering Systems，Thrust Rods | EN 10305-1, JIS G3445,DIN 2391, ASTM A519,ASTM A513 | High fatigue strength,High yield strength, lightweight, precision dimensions (±0.1mm) |
| Engineering and Mining Support | Anchor Bolts,Support Pipes,Hydraulic Props | ASTM A519,DIN 2391, JIS G3441,EN 10297-1, ISO 10799,DIN 2393 | High Strength Yield Strengt High Elongation Customization Service - Special steel grades, dimensions and surface treatments available according to project requirements |
| Construction Machinery | Drive shaft sleeves ,Gearbox Guide Tubes,Crane Boom Guide Tubes,Excavator Arm Tubes,Loader Frame Tubes, Arctic Low-Temperature Tubes | ASTM A519,DIN 2391, JIS G3445,EN 10210-1, GOST 8733,ASTM A106,ISO 9329 | ID/OD tolerances of ±0.05mm. Wall thickness uniformity straightness ≤0.5mm/m |
| Fluid Transport Systems | Oil/Gas pipelines, chemical systems,Power/Energy | ASTM A106 Gr.B, EN 10216-2, GOST 8734 | Eddy Current + Ultrasonic Testing,Hydrostatic Testing |
| High-Pressure Boilers | Superheaters,Steam lines,Reheaters,Economizers) | ASTM A192, DIN 17175,EN 10216, JIS G3461/G3462 | Enhanced material density through cold-drawing/rolling ensures long-term stability Full Compliance with Int'l Standards,Superior Creep Fatigue Resistance |
| Geological Drilling | Drill Pipe ,Tubing | ASTM A519,API 5DP, EN 10208-2 | High Strength Wear Resistance precision Dimensions Impact Fatigue Resistance |
| Agricultural Machinery | Hydraulic cylinders,drive shafts,Lift arms, steering housings,Boom frames | ASTM A519,EN 10210-1, DIN 2391,GOST 8733, JIS G3445 | Material Advantages:High Strength Lightweight,Precision Cold-Drawing Technology,Dimensional accuracy ±0.05mm |
| Petroleum Cracking Units | Tubes,Heat Exchanger Tubes ,Reactor Feed Pipes,Transfer Lines,Quench Oil Pipes | ASTM A335,ASTM A213, EN 10216-2 | Optimized Material Purity,Precision Dimensional Control,Customized Solutions |
Tailored Features · Designed Exclusively for Your Needs
Custom Complex Cross-Section Steel Tubes - Precision Tailored to Your Specifications
We specialize in manufacturing precision-engineered steel tubes with custom cross-section shapes to meet your exact technical requirements. Our capabilities include but are not limited to:
Standard Profiles :
Hexagonal -Rectangular -Square - Oval
Specialty Shapes :
D-shaped - Lemon-shaped - Triangular - Custom geometries
All tubes are manufactured with strict quality control, ensuring dimensional accuracy and superior performance for architectural, automotive, and industrial applications.
Submit your drawings or specifications for a tailored solution today!
Elite R&D Team for Special-Shaped Carbon Steel Tubes - Innovating Precision Solutions
Backed by an 11+ member engineering team with 30+ years of combined expertise, we transform complex concepts into high-performance, custom-shaped steel tubes for your most demanding applications. From prototyping to mass production, our specialists ensure precision engineering, material excellence, and compliance with international standards.
High-Performance Special-Shaped Carbon Steel Tubes - Premium Quality at Competitive Prices
Maximize value without compromising quality! We provide 100+ carbon steel grades with full material customization, delivering up to 20% cost savings through optimized production and supply chain efficiencies.
Key Advantages:
Cost-Effective Solutions: Balanced price-to-performance ratio for industrial applications
Material Flexibility: Carbon Steel & Alloys Steel
Quality Assurance: Strict ISO-controlled manufacturing processes
High-Performance Special-Shaped Carbon Steel Tubes - Reliable Quality with Advanced Manufacturing
Leveraging advanced extra-long piercing heating furnace and fully automated normalizing furnace technologies, we deliver seamless carbon steel tubes with unmatched dimensional accuracy and material consistency. Our proprietary thermal treatment process enhances:
✔ ±2°C temperature control – Industry-leading precision
✔ Enhanced mechanical properties – Optimized strength & durability
✔ Batch consistency – Reliable performance for critical applications
Why settle for generic materials when we can align specifications directly to your application? By focusing on only what you need, we deliver superior cost efficiency without compromising quality—saving you time and resources.
Our surplus capacity acts as a safety net, eliminating risks of bottlenecks or missed deadlines—critical for projects with strict timelines.
• Advanced metalworking: Piercing, pickling, heat treatment & cold forming
• Precision verification: Dual NDT (Ultrasonic/Eddy Current) + material testing (Tensile/Chemical)
• 24/7 lab monitoring of 60+ parameters ensuring product consistency
IATF16949: Automotive-grade quality for precision parts.
TS (Pressure Pipe): Safety compliance for critical infrastructure (e.g., pipelines, boilers).
ISO9001: General excellence in process management.
Plus optional third-party validation (TÜV/SGS) for added credibility in regulated markets like aerospace, energy, or medical devices.
Home Tubes and Pipes Capabilities Case Studies Blogs About Get a Quote
Seamless Steel ... Special-Shaped ... Cold Drawn Stee... Cold-Drawn Weld... Rebar Couplers
Oil & Petrochem... Automotive & Mo... Mechanical Engi... Mining & Constr... High-Pressure B... Construction Ma... Geological Dril... Agricultural Ma... Industrial Flui...
© 2024 Changzhou Tenjan Steel Tube Co., Ltd All rights reserved. Privacy StatementTerms-ConditionsSitemap
