2205 Duplex Overview
ʻO Duplex 2205 kahi mea hoʻonui nitrogenkila kuhiliʻole duplexi hoʻomohala ʻia no ka hakakā ʻana i nā pilikia corrosion maʻamau i loaʻa me nā 300 series stainless steels.Hōʻike ʻo "Duplex" i kahi ʻohana o nā kila kila ʻaʻole austenitic piha, e like me 304 stainless, a i ʻole ferritic maʻemaʻe, e like me 430 stainless.ʻO ke ʻano o ka 2205 duplex stainless steel he mau loko austenite i hoʻopuni ʻia e kahi pae ferrite mau.Ma ke kūlana annealed, aia ka 2205 ma kahi o 40-50% ferrite.ʻO ka 2205 ka helu i hoʻohana pinepine ʻia ma ka ʻohana duplex o nā kila kila.
2205 duplex kuhiliʻole kila wili paipu / capillary paipu
Pono e kaupalena ʻia ka hoʻohana ʻana o 2205 Duplex stainless steel i nā mahana ma lalo o 600° F. Hiki i ka hoʻonui ʻia ʻana o ka wela kiʻekiʻe ke hoʻopau i ka 2205 stainless.
Pale ʻino
ʻO 2205 duplex stainless steel he kumu kūʻai kūpono no nā noi he nui kahi e hiki ai i ka 300 series stainless steels ke maʻalahi i ka chloride stress corrosion cracking.Hana ʻia ka pohā ʻinoʻino i ka wā e hoʻokau ʻia ai nā kila kuhili ʻole i ke koʻikoʻi tensile, ʻoiai e pili ana me nā hāʻina i loaʻa nā chlorides.ʻO ka hoʻonui ʻana i ka mahana e hoʻonui ai i ka hiki ʻole o nā kila kuhili ke hoʻoikaika i ka pohā ʻana.
ʻO ka hui pū ʻana o ka chromium, molybdenum a me ka nitrogen e hōʻike i ke kūpaʻa maikaʻi o 2205 i ka chloride pitting a me ka crevice corrosion.He mea koʻikoʻi loa kēia kūʻē ʻana no nā lawelawe e like me nā kaiapuni moana, ka wai paʻakai, nā hana bleaching, nā ʻōnaehana wai puka pani a me kekahi mau noi hana meaʻai.Hāʻawi ka chromium kiʻekiʻe, molybdenum a me ka nitrogen o 2205 i ka pale ʻana i ka corrosion ma mua o nā kila kulika maʻamau, e like me, 316L a me 317L i ka nui o nā kaiapuni.
Ka Hui Kimia, %
2205 duplex kuhiliʻole kila wili paipu / capillary paipu
| Cr | Ni | Mo | C | N | Mn | Si | P | S | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 22.0-23.0 | 4.50-6.50 | 3.00-3.50 | .030 Max | 0.14-0.20 | 2.00 Max | 1.00 Max | .030 Max | .020 Max | Kaulike |
He aha nā hiʻohiʻona o Duplex 2205?
- Kūʻē kiʻekiʻe i ka chloride stress corrosion māwae
- Kū'ē i ka lua chloride a me ka ʻinoʻino
- ʻO ke kūpaʻa ʻino maʻamau maikaʻi
- ʻO ke koʻikoʻi koʻikoʻi o ka sulfide maikaʻi
- Ikaika Kiekie
- Maikaʻi weldability a me ka hana
He aha nā noi e hoʻohana ʻia ai ʻo Duplex 2205?
- ʻO nā moku kaʻina hana kemika, nā paipu a me nā mea hoʻololi wela
- ʻO nā mea hoʻoheheʻe ʻia i ka pulupulu, nā mea holoi bleach, nā ipu hoʻoheheʻe mua ʻia
- Mea hana meaʻai
- ʻO ka paipu ʻaila a me nā mea hoʻololi wela
- ʻO nā mea hana hoʻoheheʻe kinoea
Nā kikoʻī o ka ASTM
| Paipu Smls | Pipe Weled | Tube Smls | Tube Weld | Pepa/Pula | Bar | Nā Pahu, nā Paʻa a me nā ʻūlū |
|---|---|---|---|---|---|---|
| A790 | A790 | A789 | A789 | A240 | A276 | A182 |
Na Waiwai Mechanical
Nā Waiwai Tensile i koho ʻia ASTM A240
| ʻO ka ikaika ʻoi loa, ksi ka liʻiliʻi | .2% Ka ikaika hua, ksi ka liʻiliʻi | ʻO Max. |
|---|---|---|
| 95 | 65 | 31 ʻO Rockwell C |
Ka manawa hoʻouna: Mar-31-2023