321 o se titanium stabilized austenitic chromium-nickel uʻamea uʻamea atiina ae e maua ai se 18-8 ituaiga uʻamea ma faaleleia intergranular-corrosion resistance.Ona o le titanium e sili atu le malosi o le sootaga mo carbon nai lo chromium, titanium carbide e foliga mai e faʻafefe faʻafuaseʻi i totonu o fatu nai lo le faia. fa'asologa fa'aauau i tua'oi o saito.321 e tatau ona iloiloina mo talosaga e manaʻomia ai le faʻavevela faʻafuaseʻi i le va o le 8009F (427°C) ma le 1650°F (899°C)
Alloy | % | Ni | Cr | Fe | N | C | Mn | Si | S | P | Ti |
321 | Min. | 9 | 17 | paleni | 5*(C+N) | ||||||
Max. | 12 | 19 | 0.1 | 0.08 | 2.0 | 0.75 | 0.03 | 0.045 | 0.70 |
Denstiylbm/in^3 | Coefficient oFa'ateleina le vevela (min/in)-°F | Amioga vevelaBTU/hr-ft-°F | Avela faapitoaBTU/lbm -°F | Module o Elasticity(faamauina)^2-psi | |
---|---|---|---|---|---|
i le 68 °F | i le 68 – 212°F | i le 68 – 1832°F | i le 200°F | i le 32 – 212°F | i le vevesi (E) |
0.286 | 9.2 | 20.5 | 9.3 | 0.12 | 28 x 10^6 |
Vasega | Malosi Tetele ksi | Malosi e maua mai 0.2% Offset ksi | Fa'aumiumi - % i 50 mm | Malosi (Brinell) |
---|---|---|---|---|
321 | ≥75 | ≥30 | ≥40 | ≤217 |
•Oxidation tetee i le 1600°F
•Fa'amautu e fa'asaga i sone e a'afia i le vevela (HAZ) fa'a'ele'ele
•Tetee polythionic acid stress ta'e a'e
•Va'alele piston afi fa'afanua
•So'oga fa'alautele
•Gaosi fana
•Fa'avevela vevela
•Mea faigaluega fa'amamaina
•Mea faigaluega fa'agasologa kemikolo maualuga