He aha ka wai paʻakikī o ka ua?

Ua kapa ʻia ʻo PH Steel, e pili ana i ke ʻano okila kohu ʻolee hoʻohui i nā ʻano like ʻole a me ka nui o nā mea hoʻoikaika, a ʻo nā ʻano like ʻole a me nā nui o nā carbide, nitride, carbonitrides a me nā pūhui intermetallic e hoʻoheheʻe ʻia ma o ke kaʻina hana paʻakikī. ʻAʻole he ikaika kiʻekiʻe wale nō ka paʻakikī o ka ua, akā he paʻakikī maikaʻi a me ke kūpaʻa corrosion. Hiki ke hoʻolei ʻia ke kila kuhili ʻole e paʻa ana i ka ua i kā mākouhoʻoheheʻe kālāe like me kāu mau kaha kiʻi, nā koi a me ke kūlana hoʻohana.

E like me ka maʻiʻo o nā mea hao nui i loko o ka ua paʻakikī paʻakikī kila a me nā mea paʻakikī i hoʻohui ʻia, hiki ke hoʻokaʻawale ʻia ke kila paʻakikī paʻakikī i ʻehā mau ʻāpana i kēia aʻe:
(1)ʻO Martensitic Precipitation Paʻakiki ʻAi ʻole. Loaʻa iā ia ke kalapona ma lalo o 0.1%. E hoʻoikaika i ka hoʻohui ʻana i nā mea paʻakikī (keleawe, aluminika, titanium a me aluminika, a me nā mea ʻē aʻe) e hoʻoponopono ai i ka nele o ka ikaika. ʻOi aku ka kiʻekiʻe o ka chromium ma mua o 17%, a ua hoʻohui ʻia ka nui o ka nickel e hoʻomaikaʻi i ke kūpaʻa corrosion.
(2)ʻO ka ua ʻo Maraging Paʻa Paʻa ʻole, me ka carbon content ʻaʻole i kiʻekiʻe aʻe ma mua o 0.03% e hōʻoia i ka paʻakikī, ka pale ʻana i ka corrosion, weldability a me ka hana o ka martensite matrix, a me 12% chromium e hōʻoia i ka pale ʻana i ka corrosion. Eia kekahi, hoʻohui ʻia ka cobalt element alloy e hoʻomaikaʻi hou i ka hopena wela o ke kila.
(3)Semi-Austenitic precipitation hardening kuhiliʻole kila, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, 'o ia ho'i, ho'opa'akiki 'ana i ke kila kuhili 'ole, aia ma lalo o 12% chromium. Loaʻa iā ia ka haʻahaʻa kalapona, a me ka alumini e like me kāna kumu paʻakikī paʻakikī. ʻOi aku ka maikaʻi o ka hana holoʻokoʻa ma mua o ka martensitic precipitation hardening stainless steel.
(4)Austenitic precipitation paʻakikī kila kilahe kila kuhiliʻole me ka hale austenite paʻa i nā mokuʻāina pio a ʻelemakule. He kiʻekiʻe kona ʻike nickel a me ka manganese, a ʻoi aku ka kiʻekiʻe o ka chromium ma mua o 13% e hōʻoia i ka pale ʻana i ka corrosion maikaʻi a me ke kūpaʻa oxidation. I ka manawa like, hoʻohui pinepine ka ua austenitic paʻakikī i ka titanium, aluminika, vanadium a i ʻole phosphorus e like me nā mea paʻakikī paʻakikī, a hoʻohui i kahi liʻiliʻi o ka boron, vanadium, nitrogen a me nā mea ʻē aʻe e loaʻa ai nā waiwai piha maikaʻi.

Hoʻohana nui ʻia ke kila stainless steel paʻakikī paʻakikī i nā ʻoihana holomua. No ka laʻana, hiki ke hoʻohana ʻia ka typical precipitation hardening stainless steel 17-4PH e hana i nā hale ma lalo o 370 ° C e koi ai i ka pale ʻana i ka corrosion, ke kūpaʻa ʻana, a me ka ikaika kiʻekiʻe.

Hoʻokumu ʻia ʻo RMCE hoolei i na papa ma'amau o ka ua
1- Nā kūlana Kina: 05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb
2- Kūlana Pelekane: ANC20, ANC21, ANC22
3- Nā kūlana ʻAmelika: 630, 634, 17-4PH, 15-5PH, CB7Cu-1
4- Nā kūlana Iapana: SCS24, SCS32
5- German Standard: 1.4542

 

ʻO ke kila kila no ke kaʻina hoʻolei kālā ma RMC Foundry
Māhele	Papa Kina	Papa US	Kelemānia Papa
ʻO Ferritic Stainless Steel	1Cr17, 022Cr12, 10Cr17,	430, 431, 446, CA-15, CA6N, CA6NM	1.4000, 1.4005, 1.4008, 1.4016, GX22CrNi17, GX4CrNi13-4
He kila kila ʻole Martensitic	1Cr13, 2Cr13, 3Cr13, 4Cr13,	410, 420, 430, 440B, 440C	1.4021, 1.4027, 1.4028, 1.4057, 1.4059, 1.4104, 1.4112, 1.4116, 1.4120, 1.4122, 1.4125
Austenitic kila kila	06Cr19Ni10, 022Cr19Ni10, 06Cr25Ni20, 022Cr17Ni12Mo2, 03Cr18Ni16Mo5	302, 303, 304, 304L, 316, 316L, 329, CF3, CF3M, CF8, CF8M, CN7M, CN3MN	1.3960, 1.4301, 1.4305, 1.4306, 1.4308, 1.4313, 1.4321, 1.4401, 1.4403, 1.4404, 1.4405, 1.4404, 4,1,4404 1.4435, 1.4436, 1.4539, 1.4550, 1.4552, 1.4581, 1.4582, 1.4584,
Pilikia Paʻa Paʻa Ua	05Cr15Ni5Cu4Nb, 05Cr17Ni4Cu4Nb	630, 634, 17-4PH, 15-5PH, CB7Cu-1	1.4542
Duplex Stainless Steel	022Cr22Ni5Mo3N, 022Cr25Ni6Mo2N	A 890 1C, A 890 1A, A 890 3A, A 890 4A, A 890 5A, A 995 1B, A 995 4A, A 995 5A, 2205, 2507	1.4460, 1.4462, 1.4468, 1.4469, 1.4517, 1.4770