Zitsulo zosapanga dzimbiri ndi zitsulo zokhala ndi aloyi wapamwamba kwambiri zomwe zimalimbana ndi dzimbiri kuposa zitsulo zina chifukwa cha kukhalapo kwa chromium yambiri yomwe ili pakati pa 4 mpaka 30%.Zitsulo zosapanga dzimbiri zimagawidwa kukhala martensitic, ferritic ndi austenitic kutengera mawonekedwe awo a crystalline.Mu addititon, amapanga gulu lina lodziwika kuti zitsulo zolimba-mvula, zomwe zimakhala ndi zitsulo za martensitic ndi austenitic.
347H zitsulo zosapanga dzimbiri zopindika machubu
Tsamba lotsatirali lipereka zambiri zazitsulo zosapanga dzimbiri 347H, zomwe ndi zolimba pang'ono kuposa zitsulo za grade 304.
347H zitsulo zosapanga dzimbiri zopindika machubu
Gome lotsatirali likuwonetsa kapangidwe ka chitsulo chosapanga dzimbiri cha grade 347H.
347H zitsulo zosapanga dzimbiri zopindika machubu
| Chinthu | Zomwe zili (%) |
|---|---|
| Iron, Fe | 62.83 - 73.64 |
| Chromium, Cr | 17-20 |
| Nickel, Ndi | 9-13 |
| Manganese, Mn | 2 |
| Silicon, Si | 1 |
| Niobium, Nb (Columbium, Cb) | 0.320 - 1 |
| Kaboni, C | 0.04 - 0.10 |
| Phosphorous, P | 0.040 |
| Sulphur, S | 0.030 |
Zakuthupi
347H zitsulo zosapanga dzimbiri zopindika machubu
Zakuthupi za kalasi ya 347H zitsulo zosapanga dzimbiri zimaperekedwa patebulo lotsatirali.
| Katundu | Metric | Imperial |
|---|---|---|
| Kuchulukana | 7.7 - 8.03 g/cm3 | 0.278 - 0.290 lb/mu³ |
347H zitsulo zosapanga dzimbiri zopindika machubu
Mechanical Properties
Makina opangira zitsulo zosapanga dzimbiri 347H akuwonetsedwa patebulo lotsatirali.
| Katundu | Metric | Imperial |
|---|---|---|
| Mphamvu yolimba, yomaliza | 480 MPa | Mtengo wa 69600 |
| Mphamvu yolimba, zokolola | 205 MPa | 29700 psi |
| Kuphulika mphamvu (@750°C/1380°F, nthawi 100,000 maola) | 38-39 MPa, | 5510 - 5660 psi |
| Elastic moduli | 190-210 GPA | 27557 - 30458 ksi |
| Chiwerengero cha Poisson | 0.27 - 0.30 | 0.27 - 0.30 |
| Elongation panthawi yopuma | 29% | 29% |
| Kuuma, Brinell | 187 | 187 |
Maina ena omwe ali ofanana ndi kalasi ya 347H yachitsulo chosapanga dzimbiri ndi awa:
- Chithunzi cha ASTM A182
- ASTM A213
- ASTM A240
- ASTM A249
- ASTM A271
- Chithunzi cha ASTM A312
- Chithunzi cha ASTM A336
- Chithunzi cha ASTM A376
- Chithunzi cha ASTM A403
- Chithunzi cha ASTM A430
- Chithunzi cha ASTM A479
- Chithunzi cha ASTM A813
- Chithunzi cha ASTM A814
- Chithunzi cha 30347H
Nthawi yotumiza: Jul-01-2023