Introduction
The oil and gas industry in Japan demands high-precision stainless steel instrumentation tubing for safe and efficient operation of control systems. DLSS supplies JIS G3446-compliant tubes with excellent corrosion resistance, precision dimensional tolerances, and long service life in harsh offshore and onshore environments.
1. Why Stainless Instrumentation Tubes for Oil & Gas（石油・ガスにステンレス計装チューブが必要な理由）
- High Corrosion Resistance – withstands chloride-rich marine environments
- Dimensional Precision – critical for leak-free instrumentation systems
- Compatibility – works with Swagelok, Parker, and other leading fittings
2. Standards & Certifications（規格と認証）
DLSS instrumentation tubes comply with:
- JIS G3446 – Stainless Steel Precision Tubes
- ASTM A269 / ASTM A213 for global project compatibility
- 100% hydrostatic & eddy current testing
- Mill Test Certificates with heat number traceability
3. Common Applications in Japan（日本での主な用途）
- Offshore platform control lines
- Gas processing plant instrumentation
- Refinery measurement systems
- Subsea umbilical tubing assemblies
4. Packaging for Offshore Delivery（海上輸送用梱包）
- Seaworthy export packaging
- Coiled or straight lengths with capped ends
- Wrapped in moisture-proof film to prevent corrosion during transit
5. Why Japanese Oil & Gas Companies Choose DLSS（日本の石油・ガス企業がDLSSを選ぶ理由）
- Proven supply record for Japanese offshore EPC projects
- Ability to supply both seamless and welded instrumentation tubing
- Rapid delivery schedule to match shutdown and maintenance timelines
FAQ（よくある質問）
Q1: Which JIS standard applies to stainless steel instrumentation tubes?
A1: JIS G3446 for stainless steel precision tubes.
Q2: Can DLSS provide instrumentation tubes in both metric and inch sizes?
A2: Yes, we supply both metric and imperial sizes to meet project specifications.
Q3: What grades are most common for oil & gas instrumentation tubing?
A3: TP316/316L are most widely used for their chloride corrosion resistance.
Q4: Can DLSS provide tubing with special surface finishes for offshore projects?
A4: Yes, we offer bright annealed, polished, and passivated surfaces.
Q5: What is the lead time for supplying instrumentation tubes to Japan?
A5: Usually 35–50 days, depending on order volume and specifications.
