15-5pH aloyi yachitsulo idapangidwa kuti ikhale yolimba kwambiri kuposa 17-4 PH.The 15-5 alloy ndi martensitic mu mawonekedwe a annealed ndipo amalimbikitsidwanso ndi kutentha kwa kutentha kochepa komwe kumapangitsa mkuwa wokhala ndi gawo mu alloy.15-5 imatchedwanso XM-12 muzinthu zina
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 |
Kuchulukana | Electric resistivity | Kutentha kwapadera | Kuwonjezela kwamafuta kokwana |
7.8 | 0.98 | 460 | 10.8 |
Mkhalidwe | бb/N/mm2 | б0.2/N/mm2 | δ5/% | ψ | Mtengo wa HRC | |
Kugwa kwamvula | 480 ℃ kukalamba | 1310 | 1180 | 10 | 35 | ≥40 |
550 ℃ kukalamba | 1070 | 1000 | 12 | 45 | ≥35 | |
580 ℃ kukalamba | 1000 | 865 | 13 | 45 | ≥31 | |
620 ℃ kukalamba | 930 | 725 | 16 | 50 | ≥28 |
AMS 5659, AMS 5862,ASTM-A564 (XM-12),BMS 7-240 (Boeing),W.Nambala/EN 1.4545
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