ʻO ka Inconel 690 he chromium kiʻekiʻe, nickel-based alloy me ke kūpaʻa maikaʻi loa i ka corrosion e nā ʻano media wai a me nā ea wela kiʻekiʻe.Loaʻa iā ia ka ikaika kiʻekiʻe, ke kūpaʻa metallurgical maikaʻi a me nā ʻano hana maikaʻi loa.
Alloy | % | C | Cr | Fe | Ti | Al | Nb+Ta | Cu | B | Mn | Si | S | P | Co | N | Zr | Ni |
690 | Min. | 0.015 | 27.0 | 7.0 | - | - | - | - | - | - | - | - | - | - | - | - | kaulike |
Max. | 0.03 | 31.0 | 11.0 | 0.5 | 0.5 | 0.1 | 0.2 | 0.005 | 0.5 | 0.5 | 0.01 | 0.015 | 0.05 | 0.05 | 0.02 |
ʻO ka mānoanoa | 8.19 g/cm³ |
Lae hehee | 1343-1377 ℃ |
Kūlana | Ka ikaika tensile (MPa) | Hua ikaika (MPa) | ʻO ka lōʻihi E like me % |
Lapaʻau hoʻonā | 372 | 738 | 44 |
Bar/Rod | Uea | Hoʻopaʻa / ʻāwili | Pepa/Pula | Paipu/Tube | Ke kalaiwa ana |
ASTM B / ASME SB 166, ASTM B 564 / ASME SB 564, ASME Code Case N-525, ISO 9723, MIL-DTL-24801 | ASTM B / ASME SB 166, ASTM B 564 / ASME SB 564, ASME Code Case N-525, ISO 9723, MIL-DTL-24801 | ASTM B / ASME SB 168 /906,ASME N-525, ISO 6208,MIL-DTL-24802 | ASTM B / ASME SB 168 /906,ASME N-525, ISO 6208,MIL-DTL-24802 | ASTM B / ASME SB 163, ASTM B 167 / ASME SB 829, ASTM B 829 / ASME SB 829, ASME Code Cases 2083, N-20, N-525, ISO 6207, MILDTL-24803 | ASTM B / ASME SB 166, ASTM B 564 / ASME SB 564, ASME Code Case N-525, ISO 9723, MIL-DTL-24801 |
1. Kūʻē maikaʻi loa i ka nui corrosive aqueous media a hightemperature ea.
2.High ikaika.maikaʻi metallurqical kūpaʻa, a me ka maikaʻi fabrication hiʻona
3. kū'ē kū'ē i nā kemika oxidizina a me nā kinoea oxidizina kiʻekiʻe.
4 Kūleʻa maikaʻi i ka pohā ʻana o ka corrosion i loko o nā kaiapuni i loko o ka chloride a me nā solutions sodium hvdroxide.
ʻO ke kūʻē ʻana o ka huila i nā kinoea i loko o ka sulfur e lilo ia i mea nani no nā noi e like me nā ʻāpana lanahu-gasification, nā mea puhi ahi a me nā ducts no ka hoʻoponopono ʻana i ka sulfuric acid, nā kapuahi no ka hana petrochemical, recuperators, incinerators, a me nā lako vitrification aniani no ka hoʻolei ʻana i ka ʻōpala radioactive.I loko o nā ʻano wai wela kiʻekiʻe, hōʻike ka alloy 690 i nā helu ʻino haʻahaʻa a me ke kūpaʻa maikaʻi loa i ka pohā koʻikoʻi-corrosion.Pela.Hoʻohana nui ʻia ka alloy 690 no nā paipu hoʻoheheʻe mokumahu, baffles, tubesheets, a me nā lako i ka hana nuklea.