8 5/8 Inch Stainless Steel 304 Water Well Casing
These 8 5/8 inch water well casings are made of stainless steel 304, produced to ASTM A312 standards. They feature threaded ends to API 5B standard buttress threads.
Technical Specifications
Product Overview
High-Performance Stainless Steel Well Casing
These 8 5/8 inch water well casings are manufactured from premium 304 stainless steel, specifically annealed and passivated to ensure superior corrosion resistance in demanding environments. Produced to ASTM A312 standards, they are available in both seamless and longitudinal welded types to suit diverse project requirements. The pipes feature API 5B standard buttress threads and seamless couplings, designed to reduce make-up torque and ensure a secure, airtight connection for long-term well integrity.
Dimensions & Physical Properties
Nominal Diameter
8.625 inch
Outer Diameter
Available Lengths
- 3 meters
- 5.8 meters
- 6 meters
- 6.1 meters
- Custom lengths available
- Wall Thickness Range
- 0.6mm - 60mm (Standard: 7.11mm)
Material & Standards
Material Grade
SS304SS304LSS316SS316LTP347TP321S31803S32750
- Manufacturing Standards
- ASTM A312ASTM A451API 5BGBJISDINEN
Technical Specifications
Connection Types
- STC (Short Thread Connector)
- BTC (Buttress Thread Connector)
- LTC (Long Thread Connector)
- BSP
- Flange Connection
- EUE/EUT
Surface Treatment
- Passivation
- Pickling
- Polishing (Satin/Mirror finish)
- 180G - 800G finishes available
Quality Control & Testing
Testing & Inspection
| Test Type | Description |
|---|---|
| Ultrasonic (UT) | Used for wall thickness and flaw detection |
| Hydrostatic/Eddy Current | ET and HT testing for structural integrity |
| Mechanical | Collapse test and tensile strength verification |
| Third Party | Inspection by buyer-appointed representatives |
- Annealed & Passivated
- Yes
