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420SS Uea Pīpī Wera no ka Pīpī Arc: Hoʻonā Uhi Hana Kiʻekiʻe

Wehewehe Pōkole:


Nā kikoʻī huahana

Nā nīnau i nīnau pinepine ʻia

Nā Lepili Huahana

Ka wehewehe huahana no420 SSUea Pīpī Wera no ka Pīpī Arc

Hoʻolauna Huahana

420 SSʻO ka uea pīpī wela (Kila Kino) kahi mea kiʻekiʻe i hoʻolālā ʻia no nā noi pīpī arc. ʻIke ʻia no kona kūpaʻa maikaʻi loa i ka pala, ka paʻakikī kiʻekiʻe, a me ke kūpaʻa maikaʻi i ka ʻaʻahu ʻana, ʻo 420 SS kahi kila kila martensitic e hāʻawi ana i ka pale ʻili paʻa. Hoʻohana pinepine ʻia kēia uea i nā ʻoihana e like me ka petrochemical, ka hana mana, nā kaʻa, a me ke kai e hoʻonui i ke kūpaʻa a me ke ola o nā ʻāpana koʻikoʻi. He kūpono ka uea pīpī wela 420 SS no nā noi e pono ai kahi uhi paʻakikī, kūpaʻa i ka ʻaʻahu me ke kūpaʻa kūpono i ka pala.

Hoʻomākaukau ʻana i ka ʻili

He mea nui ka hoʻomākaukau pono ʻana i ka ʻili no ka hoʻokō ʻana i nā hopena maikaʻi loa me ka uea pīpī wela 420 SS. Pono e hoʻomaʻemaʻe pono ʻia ka ʻili e uhi ʻia e wehe i nā mea haumia e like me ka momona, ka ʻaila, ka lepo, a me nā oxides. Manaʻo ʻia ka hoʻoheheʻe ʻana i ka grit blasting me ka alumini oxide a i ʻole silicon carbide e hoʻokō i ka ʻili o 50-75 microns. Hoʻonui ka ʻili maʻemaʻe a ʻinoʻino i ka hoʻopili ʻana o ka uhi pīpī wela, e alakaʻi ana i ka hana maikaʻi a me ke ola lōʻihi.

Pakuhi Hoʻonohonoho Kemika

ʻElemene Hoʻohuihui (%)
Kalapona (C) 0.15 – 0.40
Chromium (Cr) 12.0 – 14.0
Manganese (Mn) 1.0 kiʻekiʻe loa
Silika (Si) 1.0 kiʻekiʻe loa
ʻO ka phosphorus (P) 0.04 kiʻekiʻe loa
Sulfur (S) 0.03 kiʻekiʻe
Hao (Fe) Kaulike

Pakuhi ʻano maʻamau

Waiwai Waiwai Maʻamau
Ka nui o ka paʻa 7.75 g/cm³
Kiko Heheʻe 1450°C
Paʻakikī 50-58 HRC
Ka ikaika o ka pilina 55 MPa (8000 psi)
Ke kū'ē ʻana i ka ʻokikene Maikaʻi loa
Ka Hoʻokele Wela 24 W/m·K
Pae Mānoanoa o ka Uhi ʻana 0.1 – 2.0 mm
Ka porosity < 3%
Ke kū'ē ʻana i ka ʻaʻahu Kiʻekiʻe

ʻO ka uea pīpī wela 420 SS kahi hopena maikaʻi loa no ka hoʻomaikaʻi ʻana i nā waiwai o ka ʻili o nā ʻāpana i hōʻike ʻia i ka ʻaʻahu a me ka palaho kūpono. ʻO kona paʻakikī kiʻekiʻe a me ke kūpaʻa maikaʻi o ka ʻaʻahu e kūpono ia no nā noi e pono ai kahi uhi paʻa a lōʻihi. Ma ka hoʻohana ʻana i ka uea pīpī wela 420 SS, hiki i nā ʻoihana ke hoʻomaikaʻi nui i ke ola lawelawe a me ka hilinaʻi o kā lākou lako a me nā ʻāpana.

 


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