Ite 316 jẹ iwọn molybdenum ti o ni iwuwo, keji ni pataki si 304 laarin awọn irin alagbara austenitic.Molybdenum n fun 316 awọn ohun-ini sooro ipata gbogbogbo ti o dara julọ ju Ite 304, ni pataki resistance ti o ga julọ si pitting ati ipata crevice ni awọn agbegbe kiloraidi.
Irin Alagbara – Ite 316L – Awọn ohun-ini, Ṣiṣẹpọ ati Awọn ohun elo (UNS S31603)
Ite 316L, ẹya erogba kekere ti 316 ati pe o jẹ ajesara lati ifamọ (ojoriro carbide aala ọkà).Nitorinaa o ti lo lọpọlọpọ ni awọn ohun elo welded wiwọn iwuwo (ju bii 6mm).Nigbagbogbo ko si iyatọ idiyele idiyele laarin 316 ati 316L irin alagbara, irin.
Eto austenitic tun fun awọn onipò wọnyi ni lile lile, paapaa si isalẹ si awọn iwọn otutu cryogenic.
Ti a ṣe afiwe si awọn irin alagbara irin alagbara chromium-nickel austenitic, irin alagbara 316L n funni ni irako ti o ga julọ, wahala si rupture ati agbara fifẹ ni awọn iwọn otutu ti o ga.
Awọn ohun-ini bọtini
Irin Alagbara – Ite 316L – Awọn ohun-ini, Ṣiṣẹpọ ati Awọn ohun elo (UNS S31603)
Awọn ohun-ini wọnyi jẹ pato fun awọn ọja ti yiyi alapin (awo, dì, ati okun) ni ASTM A240/A240M.Iru ṣugbọn kii ṣe dandan awọn ohun-ini kanna ni pato fun awọn ọja miiran gẹgẹbi paipu ati igi ni awọn pato wọn.
Tiwqn
Irin Alagbara – Ite 316L – Awọn ohun-ini, Ṣiṣẹpọ ati Awọn ohun elo (UNS S31603)
Tabili 1.Awọn sakani tiwqn fun 316L irin alagbara, irin.
| Ipele | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| O pọju | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Darí Properties
Tabili 2.Mechanical-ini ti 316L alagbara, irin.
| Ipele | Tensile Str (MPa) min | Ikore Str 0.2% Ẹri (MPa) min | Elong (% ni 50 mm) min | Lile | |
|---|---|---|---|---|---|
| Iye ti o ga julọ ti Rockwell B (HR B) | Iye ti o ga julọ ti Brinell (HB). | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Ti ara Properties
Tabili 3.Aṣoju awọn ohun-ini ti ara fun awọn irin alagbara irin 316.
| Ipele | Ìwúwo (kg/m3) | Modulu Rirọ (GPa) | Itumọ Imugboroosi Imugboroosi Gbona (µm/m/°C) | Imudara Ooru (W/mK) | Ooru kan pato 0-100 °C (J/kg.K) | Resistivity Elec (nΩ.m) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100 °C | 0-315 °C | 0-538 °C | Ni 100 °C | Ni 500 °C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Ite Specification lafiwe
Tabili 4.Awọn pato ite fun 316L irin alagbara, irin.
| Ipele | UNS No | British atijọ | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
| BS | En | No | Oruko | ||||
| 316L | S31603 | 316S11 | - | 1.4404 | X2CrNiMo17-12-2 | 2348 | SUS 316L |
Akoko ifiweranṣẹ: Oṣu Kẹta-20-2023