Sunny@tenjan.com
Custom Sizes OD20-108mm - ASTM/EN/DIN/JIS/GOST Certified - Small-Batch Friendly
| Parameter | Key Features |
| Outer Diameter | 20-108mm (0.79"-4.25") • Fully customizable |
| Wall Thickness | 1-6mm (0.039"-0.24") • ±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 | Q195,10#,20#,Q235 |
| ASTM | A366,1010,1020,A105 ,A36,1026 |
| EN | FeP01,C20,E235,S235JR |
| DIN | ST12,CK10, C10,CK20,C20,St37-2 |
| JIS | SPCC ,S10C,STKM11A,S20C,STKM12,STKM13,SS400 |
| GOST | 10,20,Ст3сп |
| Standard | Typical Grades We Supply |
| GB | 16Mn,Q345B(Q355B),Q345C(Q355C),Q345D(Q355D),Q345E(Q355E) |
| ASTM | Gr·50，Gr·55 |
| EN | E355 |
| DIN | ST52，S355JR，S355JO，S355J2，S355NL |
| GOST | 15Г2 , 09Г2C,10Г2C1,C355 |
| Other Speical Grades can be customized | |
| Industry | Key Applications Parts | Relevant Standards | Our Advantages |
| General Manufacturing& Precision Components | Construction scaffolding,Warehouse racks,Motorcycle frames,Seat frames | GB/T 3091-2015 | Good Surface, lightweight, precision dimensions (±0.1mm) |
| Automotive and Motorcycle Component,Agricultural Machinery | Agricultural equipment,Conveyor systems, Brake tubes,Shock absorbers | EN 10305-2:2016 | High fatigue strength,High yield strength, lightweight, precision dimensions (±0.1mm) |
| General Manufacturing& Precision Components | Retail displays,Ventilation ducts,Drive shafts,Sprockets | ASTM A513-18 | ID/OD tolerances of ±0.05mm.Wall thickness uniformity straightness ≤0.5mm/m |
| Machinery,Automotive | Machine frames, Cargo carts,Turbocharger tubes,Engine mounts | DIN 2393-1:2022 | Enhanced material density through cold-drawing/rolling ensures long-term stability Full Compliance with Int'l Standards,Superior Creep & Fatigue Resistance |
| Construction Structures,Automotive | Construction joints,Temporary structures,Fuel rails,Swingarms | JIS G3445:2021 | Good Surface, lightweight, precision dimensions (±0.1mm),Super Surface |
| General Manufacturing&Precision Components | Road barriers,Prefab buildings, Exhaust pipes,Bumpers | GOST 10705:2020 | Arctic grade,GOST certification |
Tailored Features · Designed Exclusively for Your Needs
Cost-Effective Custom Carbon & Alloy Steel Solutions - 10% Procurement Savings Strategic Mill Partnerships:
Working with Baosteel, Xingcheng, and Shagang we provide:
✔ 100+ Steel Grades - Custom carbon & alloy compositions
✔ Tailored Properties- Yield strength 200-1200 options
✔ Industrial-Grade QC- Full material certification & testing
Fully Automated Normalizing Furnace Precision Heat Treatment for Superior Tube Quality
Tenjan's fully automated normalizing furnace delivers unmatched consistency in heat treatment, with ±2°C temperature control to optimize:
✓Tensile & Yield Strength- Meet ASTM/EN/JIS standards
✓Elongation Hardness- Precise mechanical properties
✓Metallurgical Structure- Uniform grain refinement
High-Precision Straightening Systems for Cold-Drawn Welded Tube/Pipe Next-Generation Straightening Technology
Tenjan's proprietary straightening systems combine advanced equipment with 20+ years of expert craftsmanship to deliver:
Ultra-Precision Straightness ≤0.5mm/m (4X more accurate than conventional machines)
30% Faster Machining - Optimized for CNC lathe processing
Equipment Protection - Reduces machine wear & maintenance costs by 40%
Advanced Dual NDT Inspection for Cold-Drawn Welded Tube/Pipe Comprehensive Quality Control for Demanding Applications
Our dual NDT inspection system integrates ultrasonic and eddy current testing to ensure:
High-Sensitivity Flaw Detection- Identifies defects as small as 0.02mm
Complete Coverage - 12-probe array for full ID/OD inspection
Dimensional Accuracy - Simultaneously measures OD (±0.05mm) and wall thickness (±3%)
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
