347H Stenles Sil
Steinles Stil 347H em i wanpela hai-}kabon, taitenium-}stabilis austenitis steinles stiel varien bilong standet 347 gret, ol i bin enjiniaim stret long givim strongpela hai-taim strong na krip resistens. Dispela aloi i holim yet ol as korosen resistens benefit bilong 347 taim em i givim gutpela mekanik pefomens long longpela taim eleveted- temperature sevis, na mekim em i kamap wanpela bikpela samting long hai- hat indastriel aplikesen.
Kemikel Komposisen
|
C |
Si |
Mn |
P |
S |
Kr |
Ni |
Nb |
|
|
Min |
0.04 |
- |
- |
- |
- |
17 |
9 |
0.32 |
|
Maks |
0.1 |
1 |
2 |
0.045 |
0.03 |
19 |
13 |
1.1 |
Ol samting bilong lukautim ol samting
|
Mak bilong ol samting i pas pas wantim |
Melting Poin |
Minimum Mekanikal Propati long Rum Tempereja |
||
|
Strong bilong Tensil |
Yield Strong |
Elongasen |
||
|
g/cm3 |
digri |
Rm N/mm2 |
Rp0.2N/mm2 |
A5% |
|
7.96 |
1400~1450 |
515 |
205 |
40% |
Samting
347H em i wanpela hai-}manbon ol i bin senisim vesen (0.04%~0.10% C) bilong 347 steinles stiel, ol i bin optimaisim stret bilong ol hai- tepesen aplikesen. Long bungim niobium stebilisesen (Nb I gutpela moa o wankain olsem 8×C%) wantaim kontrol kabon konten, em i winim tupela gutpela resistens long intagranular korosen na haikongal hai- temperature strong. Niobium i save pasim ol atom bilong kabon, na dispela i pasim rot bilong bagarap namel long ol hangranular long taim bilong weldim na hai-} temperature sevis (450~900 digri ).
Ol aplikesen
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Ol Aplikesen bilong Nuklia Eneji:Fast niutron riaksen hai- temperature pat bilong ol straksa hap
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