I-alloy yensimbi engu-15-5pH yayidizayinelwe ukuthi ibe nokuqina okukhulu kuno-17-4 PH.I-alloy engu-15-5 i-martensitic ngesakhiwo esimweni esine-anneal futhi iqiniswa ngokwengeziwe ukwelashwa kokushisa okuphansi okunciphisa isigaba esiqukethe ithusi ku-alloy.I-15-5 ibizwa nangokuthi i-XM-12 kwezinye izincazelo
C | Cr | Ni | Si | Mn | P | S | Cu | Nb |
≤0.07 | 14.0-15.5 | 3.5-5.5 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 2.5-4.5 | 0.15-0.45 |
Ukuminyana | Ukumelana nogesi | Umthamo othize wokushisa | I-coefficient yokwandisa ukushisa |
7.8 | 0.98 | 460 | 10.8 |
Isimo | бb/N/mm2 | б0.2/N/mm2 | δ5/% | ψ | HRC | |
Imvula | 480℃ ukuguga | 1310 | 1180 | 10 | 35 | ≥40 |
550 ℃ ukuguga | 1070 | 1000 | 12 | 45 | ≥35 | |
580℃ ukuguga | 1000 | 865 | 13 | 45 | ≥31 | |
620℃ ukuguga | 930 | 725 | 16 | 50 | ≥28 |
I-AMS 5659, AMS 5862,ASTM-A564 (XM-12),BMS 7-240 (Boeing),W.I-Nr./EN 1.4545
•Ukuqina Kwemvula
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•Ukucubungula ukudla