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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 |
| Materials | Carbon Steel • Alloy Steel • Special grades available |
| Process | Cold Drawn & Cold Rolled for superior finish |
| Standard | Typical Grades We Supply |
| GB | 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,35Mn,15CrMn,20CrMn,20CrMnMo,38CrMoAL,36Mn2V,38Mn2V, 40MnMoV,15Mo3, 16Mo3,31CrMoV9 |
| ASTM | Gr·50,Gr·55,Gr·65,5120,5140,4130,4135,4140, 8620,4340,SAE 5120,1524,1340,15B41,SAE5115,SAE 5120,SCM23 |
| EN/DIN | 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 | SCr22,SCr440,SCM415,SCM420,SCM430,SCM435,SCM440, SNCM220,SNCM439,SMnC420H,SMn420,SMn438, SMnC420H |
| GOST | 15Г2, 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 |
| 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 | OD tolerances of ±0.05mm.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
Precision-Engineered Alloy Steel Solutions - 20% Cost Efficiency Certified Mill Partnerships:
Collaborating with Baosteel, Xingcheng, and Shagang to deliver:
✔ 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)
✔ Verified 20% Cost Savings - Through optimized supply chain
Application: Hardware fitting, Automotive, Heavy Machinery, Energy
Elite Cold-Drawn Alloy Steel Sections & Round Bars R&D Team - Precision Custom Solutions
Custom Alloy Development - Tailored Cr-Mo/V/Nb micro-alloying
Complex Profile Drawing- Hexagonal, multi-fluted, asymmetrical shapes
Multiple Surface Finishes-BK/A/N/Polished Finishes for Industrial Applications
Key Application Industries: Hardware Components, Precision Machining, Energy Sector, Auto/Motorcycle Parts, Heavy Machinery
Industrial Pickling & Surface Treatment for High-Quality Section Steel - ASTM/ISO Certified Precision-Controlled Pickling Process for Superior Surface Quality
Our Pickling Process Ensures:
✔ Consistent Surface Quality – Effective removal of scale, oxides, and impurities
✔ Tight Dimensional Control – Maintains ±0.1mm tolerance with alloy molds
✔ Optimized for Further Processing–Ideal base for plating, painting, or machining
✔ Compliance with Industry Standards– Meets ASTM A484, ISO 2768, and RoHS
Strategic R&D Investment in Advanced Steel TechnologiesDriving Material Innovation Through Collaborative Partnerships
Measurable Impact of Our R&D
High-Strength Alloys - Yield strength ↑35% vs. conventional grades Lightweighting potential up to 25%
Machinability - Tool life improvement 40% (ISO 3685) -Lower CNC machining costs
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.
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