Alloy 686 ke motsoako oa Ni-Cr-Mo-W oa mokhahlelo o le mong o fanang ka matla a ho hanyetsa kutu maemong a mangata a matla.Nickel ea eona e phahameng (Ni) le molybdenum (Mo) e fana ka khanyetso e ntle ho fokotsa maemo, 'me chromium e phahameng (Cr) e fana ka khanyetso ho mecha ea litaba ea oxidizing.Molybdenum (Mo) le tungsten (W) li thusa ho hanyetsa ho bola sebakeng se kang pitting.Iron (Fe) e laoloa haufi-ufi ho ntlafatsa thepa.Khabone e tlase (C) e thusa ho fokotsa ho na ha lijo-thollo ho etsa hore ho se ke ha e-ba le kutu libakeng tse anngoeng ke mocheso tsa manonyeletso a cheselitsoeng.
Alloy | % | Fe | Cr | Ni | Mo | Mg | W | C | Si | S | P | Ti |
686 | Min. | - | 19.0 | tekatekano | 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 |
Botenya | 8.73 g/cm³ |
Sebaka se qhibilihang | 1338-1380 ℃ |
Boemo | Matla a tšepe Rm N/mm² | Ho hlahisa matla Rp 0. 2N/mm² | Elongation Joalo ka % |
Phekolo ea tharollo | 810 | 359 | 56 |
Bara/Molamu | Mohala | Hlobola/Koala | Leqephe/Letlapa | Pipe/Tube | Ho qapa | Li-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.Ho hanyetsa hantle ho fokotsa maemo;
2.Ho hanyetsa hantle ho oxidizing media;
3.Resistance to general, pitting and crevice corrosion ea eketseha.
mecha ea phatlalatso e mabifi ts'ebetsong ea lik'hemik'hale, taolo ea tšilafalo, tlhahiso ea makhasi le pampiri, le lits'ebetso tsa taolo ea litšila.