ʻO Alloy 317LMN (UNS S31726) he austenitic chromium-nickel-molybdenum stainless steel me ka pale ʻana i ka corrosion ma mua o 316L a me 317L. ʻO ka maʻiʻo molybdenum kiʻekiʻe, i hui pū ʻia me ka hoʻohui o ka nitrogen, hāʻawi i ka huila me kona hoʻoikaika ʻana i ka corrosion, ʻoi aku hoʻi i loko o ka chloride acidic i loko o ka lawelawe. ʻO ka hui pū ʻana o ka molybdenum a me ka nitrogen e hoʻomaikaʻi i ke kūpaʻa ʻana o nā alloys i ka pitting a me ka crevice corrosion.
ʻO ka maʻiʻo nitrogen o Alloy 317LMN hana ma ke ʻano he mea hoʻoikaika e hāʻawi iā ia i ka ikaika hua kiʻekiʻe ma mua o 317L . ʻO Alloy 317LMN kahi haʻahaʻa kalapona haʻahaʻa e hiki ai ke hoʻohana ʻia i ke kūlana as-welded me ka ʻole o ka chromium carbide precipitation ma nā palena palaoa.
ʻO Alloy 317LMN ʻaʻole magnetic i ke kūlana annealed. ʻAʻole hiki ke hoʻopaʻakikī ʻia e ka mālama wela, ma ka hana anu wale nō. Hiki ke hoʻopaʻa maʻalahi a hoʻopaʻa ʻia e nā hana hana hale kūʻai maʻamau.
Na Waiwai Mechanical
Waiwai | Nā kūlana | ||
T (°C) | Lapaʻau | ||
Māmā (×1000 kg/m3) | 7.8 | 25 | |
Ka ratio o Poisson | 0.27-0.30 | 25 | |
Elastic Modulus (GPa) | 190-210 | 25 | |
Ikaika U'i (Mpa) | 515 | 25 | annealed (pepa, strip) mea hou aku |
Ka ikaika hua (Mpa) | 275 | ||
Elongation (%) | 40 | ||
Hoemi ma kahi (%) |
Waiwai wela
Waiwai | Nā kūlana | ||
T (°C) | Lapaʻau | ||
Hoʻonui wela (10-6/ºC) | 17.5 | 0-100 ʻoi aku | |
ʻO ka hoʻoili wela (W/m-K) | 16.2 | 100 ʻoi aku | |
Wela Kūikawā (J/kg-K) | 500 | 0-100 |
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