15-5pH koranu maitai i hangaia kia nui ake te uaua atu i te 17-4 PH.Ko te koranu 15-5 he martensitic i roto i te hanganga i roto i te ahua annealed me te kaha ake e te whakamahana wera iti o te wera e whakaheke ana i tetahi waahanga parahi kei roto i te koranu.Ko te 15-5 ka kiia ko XM-12 i etahi waahanga
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 |
Kiato | Te parenga hiko | Te kaha motuhake o te wera | Te whakarea roha wera |
7.8 | 0.98 | 460 | 10.8 |
Tikanga | бb/N/mm2 | б0.2/N/mm2 | δ5/% | ψ | HRC | |
Te ua | 480ºC te koroheketanga | 1310 | 1180 | 10 | 35 | ≥40 |
550 ℃ te koroheketanga | 1070 | 1000 | 12 | 45 | ≥35 | |
580ºC te koroheketanga | 1000 | 865 | 13 | 45 | ≥31 | |
620 ℃ te koroheketanga | 930 | 725 | 16 | 50 | ≥28 |
AMS 5659, AMS 5862, ASTM-A564 (XM-12), BMS 7-240 (Boeing), W.Nama/EN 1.4545
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