F22 cl.3 (102CrMo9-10), IS THE MOST COMMONLY USED FOR THE APPLICATIONS WHERE IT IS REQUIRED A GOOD RESISTANCE TO CREEP UP TO 600°C, FOR EXAMPLE IN THERMAL AND NUCLEAR POWER PLANTS AND FOR ROTORS OR PIPINGS THAT TRANSPORT HOT FLUIDS UNDER PRESSURE.
CORRESPONDENCE TO INTERNATIONAL DESIGNATIONS
| QUALITY | EUROPE | GERMANY | FRANCE | SPAIN | G.B. | USA | |
|---|---|---|---|---|---|---|---|
| EN | DIN | W.n. | AFNOR | UNE | B.S. | ASTM | |
| F22 cl.3 | 10CrMo9-10 EN 10222-2 | ~ 10CrMo9-10 | 1,7380 | ~ 12CD9-10 | F2632 | 622-515 |
ASTM A182 F22 ASME SA 182 |
CHEMICAL ANALYSIS
| C | Mn |
Si max |
P max |
S max |
Cr | Mo |
|---|---|---|---|---|---|---|
| 0,05 ÷ 0,15 | 0,30 ÷ 0,60 | 0,50 | 0,040 | 0,040 | 2,00 ÷ 2,50 | 0,87 ÷ 1,13 |
CONCENTRATION LIMITS OF THE ELEMENTS THAT ARE NOT INDICATED IN THE TABLE CAN BE DEDUCED IN THE EN 10020 REGULATION.
MECHANICAL CHARACTERISTICS
| STEEL | NORMALISATION TEMPERATURE 900°C MIN – TEMPERING TEMPERATURE 620°C MIN | |||||
| SYMBOLIC | Re min | Rm min | A min | Z min | Durezza HB | |
| N/mm2 | % | % | max | |||
| F22 | 310 | 515 | 20 | 30 | 156÷207 | |
USUALLY AVAILABLE EX STOCK
| M.T. COLORATION | QUALITY | HEAT TREATMENT | SURFACE | DIAMETER (mm) |
|---|---|---|---|---|
 |
F22 cl.3 | Normalised and stress relieved | rolled / forged turned | 40-400 |
 |
F22 cl.3 | Annealed | rolled | 40-220 |
 |
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