ASTM Downhole Umbilical Stainless Steel Coil Tubing 4-31.8mm OD 0.7-2.11mm Wall Thickness
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
30 DAYS
Brand:
zheheng
Product Description
ASTM Downhole Umbilical Stainless Steel Coil Tubing
Product Overview
Precision cold-drawn stainless steel bright seamless coil tubing manufactured for demanding downhole umbilical applications in offshore and subsea environments.
Technical Specifications
| Product Name | Precision cold-drawn stainless steel bright seamless coil tubing (whole roll pure seamless) |
|---|---|
| Production Process | First cold rolling, then cold drawing and coiling |
| Surface Treatment | Vacuum bright annealing process ensuring no oxide skin formation, providing clean, bright, and delicate inner and outer surfaces |
| Delivery State | Soft state (HRB≤90) |
| Available Materials | 304 / 304L / 321 / 317L / 2205 / 2507 |
| Production Standards | ASTM (ASME) SA/A312 / A213 / A269, DIN, GB, JIS |
| Coil Tubing Specifications | OD Φ4mm-31.8mm, Wall Thickness: 0.7-2.11mm |
| Tolerance Range | Outside diameter: ±0.1mm, Wall thickness: ±10% |
Quality Assurance & Testing
- Hydraulic test (10Mpa - 35Mpa)
- Air pressure test
- Eddy current flaw detection test
- Meets ISO 13628-5 -- 2009 and relevant standards
Production & Delivery Details
Coil Length & Weight: Single seamless coil tubing reaches approximately 120KG maximum weight. Longer lengths available through butt welding for super-long applications up to several thousand meters.
Production Cycles
- Single roll weight < 30KG: 25-30 days
- Single roll weight 30KG-50KG: 35-45 days
- Single roll weight 50KG-120KG: 50-60 days
Key Advantages
- Reduces waste by cutting to required lengths
- Minimizes installation joints for enhanced safety
- Lowers leakage risk in hydraulic systems
- Improves overall pipeline system security
- Cost-effective installation and maintenance
Applications
- Oil drilling and downhole umbilical systems
- Shipbuilding and marine applications
- Aerospace and aviation components
- Petrochemical refining equipment
- Heat exchangers and spiral wound tube systems
- Chemical industry pipelines and fluid transport
- Steam insulation pipes and heating coils
- High-pressure fluid systems
- Umbilical cables with PVC sheath protection
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wenzhou Zheheng Steel Industry Co.,Ltd
Location
No999 .wenzhou airport wenzhou city,zhejiang china
Contact Person
BAIN SHEN