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US 309 kila kila
US 309S kila kila
US 309/309S kila kila
US 309/309S kila kila

US 309/309S (UNS S30900/S30908) kila

ʻO TYPES 309 AND 309S he austenitic chromium-nickel stainless steel e hāʻawi ana i ka pale ʻana i ka corrosion maikaʻi loa a me ka pale wela me ka ikaika maikaʻi ma ka lumi a me nā mahana kiʻekiʻe. Ua like ka Type 309S me Type 309 koe wale no ka haʻahaʻa carbon content e hōʻemi ana i ka carbide precipitation a hoʻomaikaʻi i ka weldability.
ʻIke huahana
ʻO TYPES 309 AND 309S he austenitic chromium-nickel stainless steels e hāʻawi maikaʻi ana i ka corrosion a me ka wela me ka ikaika maikaʻi ma ka lumi a me nā mahana kiʻekiʻe. Ua like ka Type 309S me Type 309 koe wale no ka maʻiʻo kalapona haʻahaʻa e hōʻemi ana i ka ua carbide a hoʻomaikaʻi i ka weldability.

ʻIke ʻia ʻo Alloy 309 a me 309S no ka lawelawe wela kiʻekiʻe. Hana maikaʻi kēia huila a hiki i 2000 ° F, ʻoi aku ka nui inā koi ʻia ke kūpaʻa oxidation. ʻO 309 a me 310 ke kila kila ka poʻe hana kiʻekiʻe kiʻekiʻe ma waena o nā māka kulika maʻamau i loaʻa mai kā mākou waihona. ʻO ka nickel kiʻekiʻe a me ka chromium maʻiʻo a me ka hoʻokumu ʻia ʻana o ka palaoa koʻikoʻi ka hopena i:
  • Hoʻonui i ke kū'ē i ka cyclic oxidation
  • Hoʻonui i ke kū'ē i ka sulfidation
  • ʻOi aku ka ikaika wela kiʻekiʻe
  • Hoʻomaikaʻi i ka pale ʻana i ka corrosion intergranular

ʻO 309S (UNS S30908) ke kila kila ka mana haʻahaʻa kalapona o ka huila. Hoʻohana ʻia ia no ka maʻalahi o ka hana ʻana.

ʻO 309H (UNS S30909) kahi hoʻololi kalapona kiʻekiʻe i hoʻomohala ʻia no ka hoʻoikaika ʻana i ke kūpaʻa kolo. ʻO ka hapa nui o ka nui o ka palaoa a me ka maʻi kalapona o ka pā e hiki ke hoʻokō i nā koi 309S a me 309H. Ke hoʻomehana ʻia ma waena o 1202 – 1742°F (650 – 950°C) pili ka huila i ka ua o ka pae sigma. E hoʻihoʻi hou ʻia kahi degere o ka paʻakikī ma kahi hoʻonā hoʻoheheʻe annealing ma 2012 – 2102°F (1100 – 1150°C). Hiki i ka Alloy 309 ke hoʻopili maʻalahi a hana ʻia e nā hana hana hale kūʻai maʻamau.

ʻikepili ʻenehana
Hoʻohui Kimia
Papa C ʻO Si P S Cr ʻO Mn Ni ʻO Fe
309 0.20 ka nui 1.0 ka nui 0.045 ka nui 0.030 ka nui 22.0 - 24.0 2.0 ka nui 12.0 - 15.0 Koena
309S 0.08 ka nui 1.0 ka nui 0.045 ka nui 0.030 ka nui 22.0 - 24.0 2.0 ka nui 12.0 - 15.0 Koena

Na Waiwai Mechanical
Papa ʻOi aku ka ikaika (ksi) 0.2% Ka ikaika hua (ksi) Elongation% ma 2 iniha
309 75 30 40
309S 70 25 40

Na Waiwai Kino
309 309S Ka wela i ka °C
ʻO ka mānoanoa 7.9 g/cm³ 8.03 g/cm³ lumi
Wela Kūikawā 0.12 Kcal/kg.C 0.12 Kcal/kg.C 22°
Lahui hehee 1399 - 1454 °C 1399 - 1454 °C -
Modulus o Elasticity 200 KN/mm² 200 KN/mm² 22°
Kū'ē Uila 78 µΩ.cm 78 µΩ.cm lumi
Coefficient o ka Hoonui 14.9 µm/m °C 14.9 µm/m °C 20 - 100°
ʻO ka hoʻoili wela 15.6 W/m -°K 15.6 W/m -°K 20°

FAQ
Q. Hiki iaʻu ke loaʻa i kahi laʻana kauoha no nā huahana pāpaʻi kuhili ʻole?
A: ʻAe, hoʻokipa mākou i ke kauoha laʻana e hoʻāʻo a nānā i ka maikaʻi. ʻAe ʻia nā laʻana i hui ʻia.

P. Pehea e pili ana i ka manawa alakai?
A: Pono ka laʻana i nā lā 3-5;

N. Loaʻa iā ʻoe kekahi palena MOQ no ka kauoha ʻana i nā huahana pāpaʻi kila kila?
A: Loaʻa ka MOQ haʻahaʻa, 1pcs no ka nānā ʻana

Q. Pehea ʻoe e hoʻouna ai i nā ukana a pehea ka lōʻihi e hiki ai?
A: Hoʻouna pinepine mākou e DHL, UPS, FedEx a i ʻole TNT. He 3-5 mau lā e hiki mai ai. ʻO ka mokulele a me ka hoʻouna ʻana i ke kai ke koho. No nā huahana lehulehu, ʻoi aku ka maikaʻi o ka ukana moku.

N. He maikaʻi anei ke paʻi i kaʻu hōʻailona ma nā huahana?
A: ʻAe. Loaʻa iā OEM a me ODM no mākou.

Q: Pehea e hōʻoia ai i ka maikaʻi?
A: Hāʻawi ʻia ʻo Mill Test Certificate me ka hoʻouna ʻana. Inā pono, ua ʻae ʻia ka nānā ʻana i ka ʻaoʻao ʻekolu



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