ASTM A790 UNS S39277 Stainless Steel Tube For Chemical And Process Industry
ASTM A790 UNS S39277 Stainless Steel Tube For Chemical And Process Industry
Specifications
ASTM A790 covers seamless and straight-seam welded ferritic/austenitic stainless steel pipe intended for general-purpose applications.
ASTM A790 UNS S39277 stainless steel tube it is a highly alloyed grade designed to offer exceptional performance in the most aggressive environments, particularly where high chloride content, acidity, and erosion are concerns.
| American Standard | Standard Name |
| A 790 / SA 790 | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
ASTM A790 UNS S39277 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 | Cu | Others |
| S39277 | 0.025 | 0.8 | 0.025 | 0.002 | 0.8 | 6.5–8.0 | 24.0–26.0 | 3.00–4.00 | 0.23–0.33 | 1.2-2.00 | W 0.80-1.2 |
ASTM A790 UNS S39277 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,% | HNW | HRC | |
| S39277 | 120 [825] | 90 [620] | 25 | 290 | 30 |
ASTM A790 UNS S39277 Stainless Steel Tube Application
- Oil & Gas Industry (Extreme Sour Service)
- Chemical & Process Industry (Highly Corrosive Media)
- Offshore & Marine Engineering
- Desalination Industry
- Pollution Control & FGD Systems
- Power Generation
ASTM A790 UNS S39277 Stainless Steel Tube Packing & Loading
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