
DIN 17175 Steel Pipe
DIN 17175 seamless steel tubes represent the German standard for heat-resistant seamless steel tubes designed specifically for elevated temperature...
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EN 10297-1 seamless steel tubes for mechanical and general engineering uses. Send Tenjan the grade, dimensions, condition and inspection requirements.
Custom Engineering Capabilities
While EN 10297-1 provides the framework for mechanical and general engineering applications, Tenjan’s strength lies in our ability to customize every aspect of the tube to your exact needs:
Material Customization
•Tailored chemical compositions for specific strength, toughness, or machining requirements
•Custom material development for unique application environments
•Optimized alloy selection balancing performance and cost efficiency
Precision Manufacturing
•Custom diameter and wall thickness combinations beyond standard ranges
•Special tolerance requirements for critical applications
•Custom length optimization minimizing waste and improving efficiency
Technical Excellence Through Advanced Manufacturing
Our manufacturing expertise ensures that every EN 10297-1 tube delivers superior performance:
Advanced Processing Technology
•Precision cold-working for enhanced mechanical properties
•Custom heat treatment cycles (+N, +QT, +SR) for specific performance needs
•Special surface finishing options for improved corrosion resistance or appearance
•Custom straightness and roundness requirements for precision assemblies
Quality Integration
•Integrated quality control throughout the manufacturing process
•Real-time monitoring and adjustment of production parameters
•Custom testing protocols for critical applications
•Traceability from raw material to finished product
Application-Specific Solutions
Tenjan’s EN 10297-1 tubes serve diverse industries with custom-engineered solutions:
Heavy Machinery & Equipment
•Custom-sized hydraulic cylinder tubes for construction equipment
•Special alloy compositions for mining machinery components
•Large-diameter structural tubes for material handling systems
Automotive & Transportation
•Custom mechanical tubing for suspension and steering systems
•High-strength alloy tubes for transmission and driveline components
•Precision-sized tubes for braking and fuel systems
Industrial Systems
•Custom-shaped tubes for specialized machinery frames
•High-precision tubes for robotic and automation equipment
•Special surface finish tubes for food processing and packaging machinery
Tenjan’s Custom Engineering Advantage
Our 21 years of manufacturing excellence delivers unique value through:
Technical Collaboration
•Direct engineering support from concept to production
•Material selection guidance based on application requirements
•Manufacturing process optimization for cost-effective solutions
•Continuous technical support throughout product lifecycle
Quality Assurance
•Customized testing protocols matching application demands
•Flexible certification requirements including third-party verification
•Special packaging and handling for delicate or large components
•Just-in-time delivery supporting your production schedules
Customer-Centric Manufacturing
•Flexible order quantities from prototype to production runs
•Rapid response to design changes and modifications
•Value engineering suggestions for cost optimization
•After-sales technical support and problem-solving
Why Choose Tenjan for EN 10297-1 Tubes?
•21 Years of Specialization: Deep expertise in custom mechanical tubing solutions
•Technical Innovation: Continuous process improvement and material development
•Flexible Manufacturing: Ability to accommodate unique specifications and requirements
•Quality Commitment: Consistent delivery of high-performance, reliable products
•Customer Partnership: Collaborative approach to solving engineering challenges
Through our dedicated approach to custom engineering, Tenjan delivers EN 10297-1 tubes that not only meet European standards but exceed expectations for performance, reliability, and value. Our expertise in tailoring solutions to specific applications ensures optimal performance in your most demanding mechanical systems.
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 |
| Material | 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# 16Mn,Q345B(Q355B),Q345C(Q355C),Q345D(Q355D),Q345E(Q355E),Q420,Q460,20Cr,40Cr, 15CrMo,20CrMo,30CrMo,35CrMo,42CrMo,20CrNiMo,40CrNiMo,20CrMnTi,20Mn2,40Mn2,40MnB,35MnB, 35Mn15CrMn,20CrMn,20CrMnMo,38CrMoAL,36Mn2V,38Mn2V,40MnMoV,15Mo3,16Mo3,31CrMoV9 |
|
ASTM |
1215,1008,1010,1020,A105,A106 Gr.B,A36,1026,1035,1045,1055,SA179,SA192 Gr·50,Gr·55,Gr·65,5120,5140,4130,4135,4140,8620,4340,SAE 5120,1524,1340,15B41,SAE5115,SAE 5120,SCM23 |
| EN | DC01,11SMn30,P235TR1,P195GH,P265TR2,E235 E355,ST52,S355JR,S355JO,S355J2,S355NL,S420N,S420NL,S460NL,20Cr4, 41Cr4,13CrMo4-5,20CrMo4,25CrMo4,34CrMo4,42CrMo4,20NiCrMo2,34CrNiMo6,20MnCr5, 22Mn6,42Mn6,42MnB4,34MnB5,37Mn5,16MnCr5,20CrMo5. |
| JIS | SUM22,S10C,STKM11A,STPT370,STB35,S20C,STKM12,STKM13,STPT410,STB42,SS400,S35C,S45C,S55C SCr22,SCr440,SCM415,SCM420,SCM430,SCM435,SCM440, SNCM220,SNCM439,SMnC420H,SMn420,SMn438, SMnC420H |
| DIN | DC01,11SMn30,CK10,C10,ST35.8,C20,CK20,ST45.8,St37,S235JR,C26D,CK35,CK45,CK55 |
| GOST |
08КП,10,20,Ст3сп,25,35,45,5515Г2, 09Г2C/10Г2C1,15Г2,14Г2С,C355,20Х,40X,15XM,20ХМ,30ХМ,35ХМ,38ХМ,20ХНМ,40ХНМ,20ХГТ,20Г2,40Г2,18ХГ,20ХГМ |
| 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 |
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 |
High Strength Yield Strength 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 | Reformer 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

Alloy Steel Material and Process Planning Material Sourcing Review:
For each order, confirm the material grade, dimensions and acceptance requirements:
✔ 100+ Custom Alloy Grades– Chemistry control (C, Cr, Ni, Mo adjustments)
✔ Engineered Mechanical Properties -Yield/Tensile strength customization
✔ Industrial-Grade QC-Full-spectrum testing (UT, hardness, dimensional)
✔ Project-Specific Cost Review-Compare grade, order quantity and downstream processing requirements
Application:Oil & Gas, Automotive, Heavy Machinery, Energy

Extra-Long Piercing + Automated Normalizing Furnace – Precision Alloy Steel Tubes for High-Stress Applications Heating and Delivery Condition Review:
Review billet heating and normalizing requirements for alloy steel tubes, and agree the delivery condition and acceptance criteria before production.
Normalizing Requirements to Confirm:
✔ ±2°C Precision Control–Confirm the temperature-control requirement
✔ Mechanical Property Review–Specify strength and fatigue-related acceptance requirements
✔ Batch Consistency Checks–Confirm heat and batch traceability
Key Industries Served:Oil & Gas, Power Generation, Automotive, Geological Drilling, Mining Support and Construction

Tube Straightening – Confirm Requirements Before Machining Straightness and Machining Review:
Confirm the required straightness, including the stated ≤0.5mm/m value, against the component drawing and agreed inspection method:
✔ Machining Preparation– Confirm straightness and machining allowance for the component
✔ Cutting Tool Selection – Select cutting conditions for the supplied grade and hardness
✔ Production Planning –Review material allowance, handling and scrap criteria
Production and Inspection Review:
Process Review – Confirm the production route and inspection records
Automated QC – Real-time straightness monitoring
Custom Solutions– Optimized for alloy steel grades
Key Applications: Hydraulic Cylinders, Oil & Gas, High-Performance Automotive (drive shafts, suspension components)

Ultrasonic + Eddy Current Dual Testing – High-Reliability Inspection for Alloy Steel Tubes
Advanced NDT System Features:
✔ Ultrasonic Testing (UT)– Detects internal flaws down to 0.20mm
✔ Eddy Current (ET)– Identifies surface/subsurface defects
✔ Multi-Probe Technology– Confirm ID/OD/wall coverage
Quality Assurance:
Inspection Acceptance Criteria(agree the method, reference standard and acceptance level)
Dimensional Control– ±0.05mm OD tolerance
Material Verification– Full composition check
Application Review: Oil & Gas, Energy, Automotive
Tell us the material grade, outer diameter, wall thickness, quantity and end-use requirements.
Contact Our Team