Hiki i ke kila kila 15-7M0Ph ke kū i nā ʻano hana anuanu a me ke kaʻina hana kuʻi ma lalo o ke ʻano o austenite.A laila ma o ka wela wela hiki ke loaʻa
ka ikaika kiʻekiʻe loa;Ma lalo o 550 ℃ me ka ikaika wela kiʻekiʻe, ua hoʻolālā ʻia e ʻoi aku ka paʻakikī ma mua o 17-4 PH.He martensitic ka huila ma ke kūlana annealed a hoʻoikaika hou ʻia e ka mālama wela haʻahaʻa haʻahaʻa e hoʻoheheʻe ai i kahi keleawe i loko o ka hui.
C | Cr | Ni | Mo | Si | Mn | P | S | Al |
≤0.09 | 14.0-16.0 | 6.5-7.75 | 2.0-3.0 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | 0.75-1.5 |
ʻO ka mānoanoa (g/cm3) | ʻAiʻa uila (μΩ·m) |
7.8 | 0.8 |
Kūlana | бb/N/mm2 | б0.2/N/mm2 | δ5/% | ψ | HRW | |
Ka paakiki o ka ua | 510 ℃ ʻelemakule | 1320 | 1210 | 6 | 20 | ≥388 |
565 ℃ ʻelemakule | 1210 | 1100 | 7 | 25 | ≥375 |
AMS 5659, AMS 5862, ASTM-A564 , W.Nr./EN 1.4532
•Hiki ke pale i nā ʻano hana anuanu a me ka hana kuʻi ʻana ma lalo o ke ʻano o austenite.a laila ma o ka mālama wela hiki ke loaʻa ka mea kiʻekiʻe loa.
ikaika, Ma lalo o 550 ℃ me ka ikaika wela kiʻekiʻe.
•Waiwai wiliwili uila: Hiki i ke kila ke hoʻohana i ka wiliwili arc, ka hoʻoheheʻe kūʻē a me ka hoʻoheheʻe ʻana i ke kinoea pale arc, ʻoi aku ka maikaʻi o ka welding pale kino.
Hana pinepine ʻia ka welding i nā kūlana hoʻoponopono paʻa paʻa, a ʻaʻole pono e hoʻomaʻamaʻa ma mua o ke kuʻi ʻana.
Ke koi nei ka wiliwili i ka ikaika kiʻekiʻe, ʻo ka 17-7 me ka haʻahaʻa haʻahaʻa o ka δ-ferrite i koho nui ʻia, hiki ke hoʻohana ʻia ke uwea kuʻihao austenitic.
Hoʻohana ʻia no ka hana ʻana i nā ʻāpana hoʻolālā pā aniani, nā ʻano pahu āpau, nā paipu, ka punawai, nā kiʻi ʻoniʻoni ʻoniʻoni, ka moku moku,
ʻO ka pā compressor, nā mea reactor, a me nā ʻano hana like ʻole o nā mea hana kemika, etc.