ASTM A790 UNS S81921 Stainless Steel Tube For Pulp and Paper Industry
ASTM A790 UNS S81921 Stainless Steel Tube For Pulp and Paper Industry
Specifications
ASTM A790 covers seamless and straight-seam welded ferritic/austenitic stainless steel pipe intended for general-purpose applications.
ASTM A790 UNS S81921 stainless steel tube is a high-strength, cost-effective solution for structural and pressure applications.
| American Standard | Standard Name |
| A 790 / SA 790 | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
ASTM A790 UNS S81921 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 |
| S81921 | 0.03 | 2.00-4.00 | 0.04 | 0.03 | 1 | 2.00-4.00 | 19.0-22.0 | 1.00-2.00 | 0.14-0.20 |
ASTM A790 UNS S81921 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 | |
| S81921 | 90 [620] | 65 [450] | 25 | 290 | 30 |
ASTM A790 UNS S81921 Stainless Steel Tube Application
- Structural and Architectural Applications
- Water and Wastewater Treatment
- Oil & Gas Industry (Utility and Mild Services)
- Chemical and Process Industry
- Pulp and Paper Industry
- Transportation
ASTM A790 UNS S81921 Stainless Steel Tube Packing & Loading
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