Oil Gas Industry Stainless Steel Tubing ASTM A790 UNS S32506
ASTM A790 UNS S32506 Stainless Steel Tube For Oil and Gas Industry
Specifications
ASTM A790 covers seamless and straight-seam welded ferritic/austenitic stainless steel pipe intended for general-purpose applications.
ASTM A790 UNS S32506 is a seamless or welded duplex stainless steel pipe designed for general corrosive service, with a key emphasis on resistance to stress corrosion cracking. It is a "super duplex" alloy, known for its high strength and excellent corrosion resistance, manufactured to meet specific chemical, mechanical, and testing requirements outlined in the ASTM A790 standard. The UNS S32506 designation specifies a particular grade within this standard.
| American Standard | Standard Name |
| A 790 / SA 790 | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
ASTM A790 UNS S32506 Stainless Steel Tube Chemical Composition
(Sources American Standard A790 / A790M TABLE 2 Chemical Requirements)
| UNS Designation A | C | Mn | P | S | Si | Ni | Cr | Mo | N | Others |
| S32506 | 0.03 | 1 | 0.04 | 0.015 | 0.9 | 5.5-7.2 | 24-26 | 3-3.5 | 0.08-0.2 | W 0.05-0.3 |
ASTM A790 UNS S32506 Stainless Steel Tube Mechanical Properties
(Sources American Standard A790 / A790M TABLE 3 Tensile and Hardness Requirements)
| UNS Designation | Tensile strength, | Yield strength, | Elongation | Hardness, max | |
| min, | min | in 2 in. or 50 | |||
| ksi[MPa] | ksi[MPa] | mm, min,% | HBW | HRC | |
| S32506 | 90 [620] | 65 [450] | 18 | 302 | 32 |
ASTM A790 UNS S32506 Stainless Steel Tube Application
- Oil and Gas Industry
- Downhole Tubing & Casing
- Subsea Flowlines & Risers
- Chemical Process Industry
- Severe Service Process Piping
- Pulp and Paper Industry
- Marine and Offshore Applications
- Seawater Cooling Systems
- Desalination Plants
- Power Generation
- Flue Gas Desulfurization (FGD) Systems
- Geothermal Power Plants
- Pollution Control and Industrial Equipment
ASTM A790 UNS S32506 Stainless Steel Tube Packing & Loading
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