ʻO 17-4 PH ke kila kila—i koho ʻia e like me UNS S17400—he mea hoʻopaʻa paʻakikī i ka ua i hoʻohanohano ʻia no kona ikaika kupaianaha, kūpaʻa ʻino, a me ka hoʻololi ʻana i ka mālama wela. ʻO kāna hui like ʻole o ka ikaika mechanical a me ka paʻa kemika e lilo ia i mea koho ma nā ʻāpana koi e like me ka aerospace, nā mea lapaʻau, ka hoʻoili kemika, a me ka ʻenehana pale.
Ke koi ʻia nā mea ʻē aʻe, nā mea like me17-4 PHe hoʻokomo i nā māka e like me DIN 1.4542 a me AISI 630. Hāʻawi kēia mau mea pani i nā hiʻohiʻona hana like, e kūpono iā lākou no kahi ākea o nā noi ʻoihana.
17-4PH Papa kila kila
| ASTM/AISI | DIN | JIS | GB |
| 17-4PH/630 | 1.4542 | SUS630 | 05Cr17Ni4Cu4Nb |
17-4PH Hoʻohui ʻia ke kila kila
| C | Mn | Si | P | S | Cr | Ni | Cu | Mo |
| 0.07 | 1.0 | 1.0 | 0.04 | 0.03 | 15.0-17.5 | 3.0-5.0 | 3.0-5.0 | 0.50 |
• Chromium (15-17.5%): Hāʻawi i ka pale ʻana i ka corrosion.
• Nickel (3-5%): Hoʻonui i ka paʻakikī.
• Copper (3-5%): Koʻikoʻi no ka paʻakikī o ka ua.
• Carbon (<0.07%): E mālama i ka ductility a me ka paʻakikī.
17-4PH mau waiwai echanical kuhiliʻole
| Mea waiwai | Kūlana | Uku (ksi) | Hāʻawi 0.2% offset(ksi) | ʻO ka lōʻihi | Hoemi o Wahi | ʻO Brinell Hardness | ʻO Rockwell Hardness |
| 17-4PH | H900 | 190 | 170 | 10% | 40% | 388-444 HB | 40-47 HRC |
| H925 | 170 | 155 | 10% | 44% | 375-429 HB | 38-45 HRC | |
| H1025 | 155 | 145 | 12% | 45% | 331-401 HB | 34-42 HRC | |
| H1075 | 145 | 125 | 13% | 45% | 311-375 HB | 31-38 HRC | |
| H1100 | 140 | 115 | 14% | 45% | 302-363 HB | 30-37 HRC | |
| H1150 | 135 | 105 | 16% | 50% | 277-352 HB | 28-37 HRC |
Nā mea nui o ka 17-4 PH ke kila kila
1.Exceptional Strength: Hāʻawi i ka ikaika tensile kupaianaha mai ka 1000 a hiki i ka 1400 MPa, i mea kūpono no nā noi kiʻekiʻe.
2. Superior Corrosion Resistance: Hoʻohālikelike me 304 stainless steel, akā hāʻawi i ka palekana i hoʻonui ʻia i ke koʻikoʻi-corrosion māwae ma nā wahi paʻakikī.
3.Flexible Heat Treatability: Hiki ke hoʻololi pono ʻia nā waiwai mīkini ma o nā kaʻina hana paʻakikī e like me H900, H1025, a me H1150.
4. Outstanding Toughness: E mālama i ka pono o ka hoʻonohonoho ʻana ma lalo o nā mahana wela a me nā kūlana lawelawe paʻakikī.
Hoʻomaʻamaʻa wela a me ka paʻakikī o ka ua
ʻO ka mea e hoʻokaʻawale ai i ka 17-4 PH ke kila kila ʻo ia kona mana kupaianaha no ka paʻakikī o ka ua—he kaʻina hana wela e hoʻomaikaʻi nui i kāna hana mechanical. Ma ka hoʻomehana ʻana i ka huila i nā wela kūpono a ukali ʻia e ka wā kahiko, hiki ke hoʻoponopono maikaʻi ʻia kona mau waiwai.
• H900: Hāʻawi i nā pae ikaika kiʻekiʻe.
• H1150: Hāʻawi i ke kūpaʻa ʻoi aku ka maikaʻi a me ka paʻakikī.
Hiki i kēia mea hoʻololi ke hiki i nā ʻenekinia ke hoʻololi i nā ʻano o nā mea e hoʻokō i nā koi kikoʻī o kahi ākea o nā noi ʻoihana.
Nā noi o 17-4 PH ʻili kila
ʻO nā waiwai kiʻekiʻe o 17-4 PH stainless steel e kūpono ia no kahi ākea o nā noi:
• Aerospace: Hoʻohana ʻia i nā hui hoʻonohonoho, nā ʻāpana turbine, a me nā mea paʻa kiʻekiʻe.
• Lapaʻau Lapaʻau: He kūpono no nā mea hana ʻokiʻoki pololei a me nā mea implant paʻa.
• Ka Hana Kemika: Hoʻohana ʻia i loko o nā reactors a me nā mea hana e hoʻomanawanui ai i ka hoʻolaha kemika.
• 'Aila & Gas: He mea ma'amau i loko o nā pahu pahū, nā valve, a me nā mea 'ē a'e i pili i ke kaomi ki'eki'e.
• Māhele Palekana: Ua hilinaʻi ʻia no ka hana ʻana i nā ʻāpana ikaika i loko o nā lako lako koa.
Hōʻike kēia mau noi i kona hilinaʻi i nā kaiapuni paʻakikī kahi e pono ai ka ikaika a me ka lōʻihi.
No ke aha e koho ai i ke kila kila 17-4 PH?
ʻO 17-4 PH ke kila kila ka mea i makemake ʻia ke kāhea ʻia nā noi no:
• ʻO ka ikaika mechanical maikaʻi e pale i nā ukana kaumaha a me ke kaumaha.
• ʻO ka pale ʻana i ka corrosion i hilinaʻi ʻia ma nā wahi ʻino a koi paha.
• Nā koho lapaʻau wela maʻalahi e hoʻoponopono i nā ʻano hana.
ʻO kona kūpaʻa i hōʻoia ʻia a me ka hoʻololi ʻana e lilo ia i koho hilinaʻi ma waena o nā ʻoihana e koi ana i nā mea hana kiʻekiʻe a lōʻihi.
Ka hopena
ʻO ka hui pū ʻana i ka ikaika kiʻekiʻe, ke kūpaʻa corrosion maikaʻi loa, a me ka hiki ke hoʻololi ʻia, ʻo 17-4 PH stainless steel kahi koho maikaʻi loa no nā noi koʻikoʻi. Ke hoʻohālikelike ʻia me nā māka maʻamau e like me 304 a me 316, ʻokoʻa ʻo ia iā ia iho me ka hilinaʻi koʻikoʻi ma lalo o nā kūlana paʻakikī. ʻO kona loaʻa ʻana ma nā kumukūʻai hoʻokūkū - ʻoi aku hoʻi i nā mākeke e like me India - hoʻonui hou i kāna noi no nā hoʻohana ʻenehana like ʻole, e hāʻawi ana i ka hana a me ka waiwai.
Ka manawa hoʻouna: Mei-07-2025