Heat Treatment and Mechanical Property Requirements for Duplex Grades A
| UNS Designation |
Solution Temperature, °F [°C] B,C |
Size Range |
Mechanical Properties |
| Tensile Strength, ksi [MPA] |
Yield Strength, ksi [MPA] |
Elongation in 2” [50 mm] or 4D % |
HardnessD |
| Rockwell, HRC maximum |
Brinell, maximum |
| S32900 |
1750 [955] |
-- |
90 [620] |
70 [485] |
15 |
30 |
290 |
Note:
A. Values shown are minimums or ranges unless maximum is indicated.
B. ± 25°F [15°C].
C. Quenched in water.
D. Either Rockwell or Brinell testing is permitted unless thickness is below 1⁄2 ” in which
case Rockwell is preferred.
Product Marking
| UNS Designation |
Type |
Condition |
Grade Symbol |
| Duplex (Ferritic-Austenitic) Grade |
| S32900 |
-- |
-- |
-- |