KA ʻOkoʻa ma waena o ke kāʻei 309 a me 310

Nā ʻāpana kila ʻole 309a ʻo 310 nā mea ʻelua austenitic stainless steel alloys, akā aia kekahi mau ʻokoʻa i kā lākou haku mele ʻana a me nā noi i manaʻo ʻia.Hoʻohana pinepine ʻia i nā ʻāpana umu, nā mea hoʻololi wela, a me nā wahi wela kiʻekiʻe.310: Hāʻawi ʻoi aku ka maikaʻi o ka pale ʻana i ka wela kiʻekiʻe a hiki ke kū i nā mahana a hiki i ka 1150 ° C (2102 ° F).He kūpono ia no ka hoʻohana ʻana i nā wahi wela loa, e like me nā umu ahi, nā kiln, a me nā paipu kukui.

Hoʻohui Kimia

Papa helu C Si Mn P S Cr Ni
309 0.20 1.00 2.00 0.045 0.03 22.0-24.0 12.0-15.0
309S 0.08 1.00 2.00 0.045 0.03 22.0-24.0 12.0-15.0
310 0.25 1.00 2.00 0.045 0.03 24.0-26.0 19.0-22.0
310S 0.08 1.00 2.00 0.045 0.03 24.0-26.0 19.0-22.0

Waiwai Mechanical

Papa helu Hoʻopau Ka ikaika tensile, min, Mpa Ka ikaika hua, min, Mpa Elongation ma 2in
309 Pau wela/Hoʻopau anu 515 205 30
309S
310
310S

Na Waiwai Kino

SS 309 SS 310
ʻO ka mānoanoa 8.0 g/cm3 8.0 g/cm3
Lae hehee 1455 °C (2650 °F) 1454 °C (2650 °F)

I ka hōʻuluʻulu manaʻo, ʻo nā ʻokoʻa nui ma waena o nā ʻāpana kila kila 309 a me 310 aia i ko lākou haku mele ʻana a me ke kūpaʻa wela.Loaʻa i ka 310 ka chromium a me ka nickel haʻahaʻa haʻahaʻa, ʻoi aku ka maikaʻi no nā noi wela ʻoi aku ka kiʻekiʻe ma mua o 309. ʻO kāu koho ma waena o nā mea ʻelua e hilinaʻi ʻia i nā koi kikoʻī o kāu noi, me ka mahana, ka pale ʻana i ka corrosion, a me nā waiwai mechanical.

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Ka manawa hoʻouna: ʻAukake-07-2023