Alloy 686 bụ otu usoro, austenitic Ni-Cr-Mo-W alloy na-enye nguzogide corrosion pụtara ìhè n'ọtụtụ ebe siri ike.Nnukwu nickel ya (Ni) na molybdenum (Mo) na-enye ezigbo nguzogide na mbenata ọnọdụ, na nnukwu chromium (Cr) na-enye iguzogide mgbasa ozi oxidizing.Molybdenum (Mo) na tungsten (W) na-enyere aka iguzogide corrosion mpaghara dị ka pitting.A na-achịkwa Iron (Fe) nke ọma iji kwalite akụrụngwa.Carbon dị ala (C) na-enyere aka belata oke mmiri ozuzo iji nọgide na-eguzogide corrosion na mpaghara okpomọkụ metụtara nke nkwonkwo welded.
Alloy | % | Fe | Cr | Ni | Mo | Mg | W | C | Si | S | P | Ti |
686 | Min. | - | 19.0 | itule | 15.0 | - | 3.0 | - | - | - | - | 0.02 |
Oke. | 2.0 | 23.0 | 17.0 | 0.75 | 4.4 | 0.01 | 0.08 | 0.02 | 0.04 | 0.25 |
Njupụta | 8.73g/cm³ |
Ebe mgbaze | 1338-1380 ℃ |
Ọnọdụ | Ike ọdụdọ Rm N/mm² | Mpụta ike Rp 0. 2N/mm² | Ogologo oge Dị ka% |
Ọgwụgwọ ọgwụgwọ | 810 | 359 | 56 |
Ogwe/Ogwe | Waya | Eriri / eriri igwe | Mpempe akwụkwọ/efere | Pipe/Tube | Na-akpụ akpụ | Ihe nkwụnye |
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 B575 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.Nguzogide dị mma na mbenata ọnọdụ;
2.Good iguzogide mgbasa ozi oxidizing;
3.Resistance na izugbe, pitting na crevice corrosion na-abawanye.
Mgbasa ozi na-eme ihe ike na nhazi kemịkalụ, njikwa mmetọ, pulp na imepụta akwụkwọ, yana ngwa njikwa mkpofu.