Alloy 686 wani lokaci-lokaci ne, austenitic Ni-Cr-Mo-W gami yana ba da juriya na lalata-juriya a cikin kewayon yanayi mai tsanani.Babban nickel (Ni) da molybdenum (Mo) suna ba da juriya mai kyau a cikin rage yanayi, kuma babban chromium (Cr) yana ba da juriya ga kafofin watsa labaru mai oxidizing.Molybdenum (Mo) da tungsten (W) suna taimakawa juriya ga lalatawar gida kamar rami.Iron (Fe) ana sarrafa shi sosai don haɓaka kaddarorin.Ƙananan carbon (C) yana taimakawa rage hazo iyakar hatsi don kiyaye juriya-lalata a yankunan da zafi ya shafa na haɗin gwiwa.
Alloy | % | Fe | Cr | Ni | Mo | Mg | W | C | Si | S | P | Ti |
686 | Min. | - | 19.0 | daidaitawa | 15.0 | - | 3.0 | - | - | - | - | 0.02 |
Max. | 2.0 | 23.0 | 17.0 | 0.75 | 4.4 | 0.01 | 0.08 | 0.02 | 0.04 | 0.25 |
Yawan yawa | 8.73 g/cm³ |
Wurin narkewa | 1338-1380 ℃ |
Matsayi | Ƙarfin ƙarfi N/mm² | Ƙarfin bayarwa Rp 0.2N/mm² | Tsawaitawa Kamar yadda % |
Maganin Magani | 810 | 359 | 56 |
Bar/Rod | Waya | Tattara / Nada | Shet/Plate | Bututu/Tube | Ƙirƙira | Fasteners |
ASTM B 462, ASTM B 564 ASME SB 564, ASTM B 574 DIN 17752 | ASTM B462 ASTM B564 ASTM B 574 DIN 17752 | ASTM B 575 ASTM B 906 ASME SB 906 DIN 17750 | ASTM B 575 ASTM B 906 DIN 17750 | ASME SB163 ASTM B 619 ASTM B 622 ASTM B 626 ASTM B751 ASTM B 775 ASME SB 829 | ASTM B 462, ASTM B 564 ASME SB 564, ASTM B 574 ASME B 574, DIN 17752 | ASTM F 467/F 468/F 468M;SAE/AMS J2295, J2271, J2655, J2280 |
1.Good juriya a rage yanayi;
2.Good juriya ga oxidizing kafofin watsa labarai;
3.Resistance ga general, pitting da crevice lalata yana ƙaruwa.
m kafofin watsa labarai a cikin sarrafa sinadarai, kula da gurɓataccen ruwa, ɓangaren litattafan almara da kera takarda, da aikace-aikacen sarrafa shara.