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HIT3312 is a kind of iron - nickel -molybdenum austenitic heat resisting steels alloy which has high performance cast material for high temperature applications.
| Beiye designation | China Standard designation | International designation |
| ST33-12,HIT3312 | / | GX30CrNiMo26-20-2 |
| The typical applications of this alloy are: | ||
| turbocharger components like bushings, e.g. Wastegate-turbochargers. | ||
Turbocharger components like bushings, e.g. Wastegate-turbochargers.
C | 0.3 | Ni | 18.5 |
| Si | 2.7 | Mo | 2.5 |
| W | 2.6 | Nb | 1.4 |
| S | 0.3 | N | 0.24 |
| Mn | 1.4 | Fe | bal. |
As cast | |
Hardness | 230 to 360 HV |
* Typical values for material tested in accordance with GB/T 4340.3
| Density | 8.15g/cm3 |
Melting Point | 1360 ℃ |
Thermal expansion(20~1000℃) | 18×10-6/K |
Heat treatment not allowed.
