Precision Seamless Steel Tubes | Hydraulic & Automotive Seamless Tubes
Suraj Limited is one of India's leading precision steel tubes manufacturers , specializing in the production of precision seamless steel tubes for hydraulic, automotive, and engineering applications. As an IATF 16949 approved manufacturer , we produce seamless & drawn precision steel tubes, hydraulic tubes, fuel injection tubes, and carbon steel mechanical tubing with superior dimensional accuracy, excellent surface finish, and consistent mechanical properties. Our precision tubes solutions are trusted by OEMs and Tier-1 suppliers across domestic and international markets.
Manufacturing Process of Precision Steel Tubes Manufacturer
Our cold drawn bright annealed seamless tubes are manufactured using advanced cold drawing and controlled atmosphere bright annealing technology to achieve close dimensional tolerances, smooth internal surfaces, and excellent mechanical properties. Optional Zinc Plating (Yellow, Blue, White Passivation) and Phosphating provide enhanced corrosion resistance, making our tubes ideal for demanding hydraulic and automotive applications.
Product Types
- Precision Steel Tubes
- Hydraulic Tubes
- Fuel Injection Tubes
- Precision Automotive Tubes
Key Features of Precision Steel Tubes
- High dimensional accuracy
- Bright annealed seamless construction
- Superior internal cleanliness
- Excellent pressure resistance
- Tight dimensional tolerances
- Excellent bendability and formability
- Zinc plating and phosphating options
- Reliable performance in hydraulic and automotive systems
Technical Specifications of Precision Steel Tubes
| Outside Diameter | 6.00 mm to 45.00 mm |
|---|---|
| Wall Thickness | 0.50 mm to 5.00 mm |
| Length | As per customer requirement |
| Plating | Zinc Plated (Yellow, Blue, White Passivation) and Phosphating |
Specifications / Grades of Precision Steel Tubes
- EN10305-1 : E215, E235, E255, E355
- EN10305-4 : E215, E235, E355
- EN10216-1 : P195 (TR1, TR2), P235 (TR1, TR2)
- EN10216-2 : P235GH
- DIN2391 : ST35, ST45, ST52, ST30Al
- DIN1629 : ST37, ST44, ST52
- DIN1630 : ST37.4, ST44.4, ST52.4
- STKM 11A, 12(A,B,C), 13(A,B,C), 14(A,B,C), 15(A,C), 16(A,C)
- IS3074 : CDS-1, CDS-2, CDS-3, CDS-4, CDS-5
Condition: BK, BKW, BKS, GBK, NBK
Standards : ISO / ASTM / DIN / EN
Our Strengths
- One of India's leading precision fluid power tubing manufacturers
- IATF 16949 approved manufacturing facility
- Advanced cold drawing and bright annealing technology
- Zinc plating, passivation, and phosphating facilities
- Precision manufacturing with stringent quality control
- OEM-focused solutions for hydraulic and automotive industries
- Consistent supply capability for domestic and export markets
Certifications
- IATF 16949 (International Automotive Task Force)
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2018
- PED (Pressure Equipment Directive) & AD 2000-Merkblatt W0
Clientele
