Nhanganyaya
Giredhi 316 ndiyo yakajairwa molybdenum-inobereka giredhi, yechipiri mukukosha kusvika 304 pakati peaustenitic stainless steels.Iyo molybdenum inopa 316 zvirinani zvakazara zvisingaite ngura pane Giredhi 304, kunyanya kukwirisa kupinza gomba uye kukoromoka kwevhu munzvimbo dzechloride.
Giredhi 316L, iyo yakaderera kabhoni vhezheni ye316 uye haina kudzivirirwa kubva mukunzwa (grain boundary carbide precipitation).Saka inoshandiswa zvakanyanya mune inorema gauge welded zvikamu (pamusoro pe6mm).Iko kazhinji hapana mutsauko wemutengo unokosheswa pakati pe316 ne316L simbi isina tsvina.
Iyo austenitic chimiro chinopawo aya mamakisi kusimba kwakanyanya, kunyangwe pasi kusvika kune cryogenic tembiricha.
Kana ichienzaniswa nechromium-nickel austenitic simbi isina tsvina, 316L simbi isina tsvina inopa yakakwira inokambaira, kushushikana kwekuputika uye kusimba kusimba pakupisa kwakakwira.
Key Properties
Izvi zvivakwa zvakataurirwa chigadzirwa chakatenderedzwa (ndiro, shizha uye coil) muASTM A240/A240M.Zvakafanana asi zvisingaite zvakafanana zvivakwa zvinotsanangurwa kune zvimwe zvigadzirwa senge pombi uye bhara mune yavo yakatarwa.
Composition
Tafura 1. Kuumbwa kwezvikamu zve 316L simbi dzisina tsvina.
| Giredhi |
| C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 316L | Min | - | - | - | - | - | 16.0 | 2.00 | 10.0 | - |
| Max | 0.03 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Mechanical Properties
Tafura 2. Mechanical properties ye 316L Stainless steels.
| Giredhi | Tensile Str | Yield Str | Elong | Kuoma | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316L | 485 | 170 | 40 | 95 | 217 |
Zvinhu Zvenyama
Tafura 3.Yakajairika zvimiro zvemuviri zve316 giredhi Stainless simbi.
| Giredhi | Density | Elastic Modulus | Zvinoreva Co-eff yeKuwedzera Kwekupisa (µm/m/°C) | Thermal Conductivity | Chaicho Kupisa 0-100°C | Elec Resistivity | |||
| 0-100°C | 0-315°C | 0-538°C | Pa100°C | Pa500°C | |||||
| 316/L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 740 |
Giredhi Specification Kuenzanisa
Tafura 4.Madimikira egiredhi e316L Stainless simbi.
| Giredhi | UNS | Old British | Euronorm | ChiSwedish | ChiJapanese | ||
| BS | En | No | Zita | ||||
| 316L | S31603 | 316S11 | - | 1.4404 | X2CrNiMo17-12-2 | 2348 | SUS 316L |
Ongorora: Iyi mienzaniso ndeyekufungidzira chete.Rondedzero yacho inoitirwa sekuenzanisa kwezvinhu zvinoshanda zvakafanana kwete sehurongwa hwezvibvumirano zvakaenzana.Kana chaiwo akaenzana achidikanwa maratidziro ekutanga anofanira kubvunzwa.
Possible Alternative Grades
Tafura 5. Zvinogoneka mamwe mamakisi kusvika 316 simbi isina tsvina.
Tafura 5.Zvinogoneka mamwe mamakisi kusvika 316 Stainless simbi.
| Giredhi | Sei ichigona kusarudzwa pachinzvimbo che316? |
| 317L | Kunyanya kupikisa ma chlorides kupfuura 316L, asi nekupikisa kwakafanana kumanikidziro ekuparara kwekuputika. |
Giredhi
Sei ichigona kusarudzwa pachinzvimbo che316?
317L
Kunyanya kupikisa ma chlorides kupfuura 316L, asi nekupikisa kwakafanana kumanikidziro ekuparara kwekuputika.
Corrosion Resistance
Yakanakisa munzvimbo dzakasiyana-siyana dzemuchadenga uye zvinoodza media - kazhinji hazviite kupfuura 304. Zvichienderana negomba uye kukoromoka kwegomba munzvimbo dzinodziya dzechloride, uye kusimbisa ngura inotsemuka pamusoro pemakumi matanhatu.°C. Inofungidzirwa kuti inoshingirira kumvura inonwiwa inosvika 1000mg/L chlorides pane tembiricha yakapoteredza, ichidzikisa kusvika pa500mg/L pa60.°C.
316 inowanzoonekwa seyero“Marine giredhi Stainless simbi”, asi haidzivirirwe nemvura inodziya yegungwa.Munzvimbo zhinji dzemugungwa 316 inoratidzira ngura yepasi, inowanzoonekwa semavara ebrown.Izvi zvinonyanya kubatanidzwa nekutsemuka uye rough surface kupera.
Heat Resistance
Yakanaka oxidation kuramba mune inopindirana sevhisi kusvika 870°C uye mukuenderera mberi sevhisi ku925°C. Kuenderera mberi kushandiswa kwe316 mu425-860°C range haikurudzirwe kana kunotevera aqueous corrosion resistance kwakakosha.Giredhi 316L inonyanya kushingirira kunaya kwecarbide uye inogona kushandiswa patembiricha iri pamusoro.Giredhi 316H ine simba repamusoro pane tembiricha yakakwira uye dzimwe nguva inoshandiswa kune zvimiro uye zvine kumanikidza-zvine maapplication patembiricha inopfuura 500.°C.
Kupisa Kurapa
Solution Kurapa (Annealing) - Kupisa kusvika 1010-1120°C uye kutonhora nekukurumidza.Aya mamakisi haagone kuomeswa nekurapa kwekupisa.
Welding
Yakanakisa weldability neyese yakajairwa fusion uye nzira dzekuramba, zvese zvine uye pasina simbi dzekuzadza.Zvikamu zvinorema muGiredhi 316 zvinoda post-weld annealing kuitira kusaita ngura yakanyanya.Izvi hazvidiwi ku316L.
316L Stainless simbi haiwanzo simbika uchishandisa oxyacetylene welding nzira.
Machining
316L simbi isina tsvina inowanzoshanda yakaoma kana ikagadzirwa nekukurumidza.Nechikonzero ichi kumhanya kwakaderera uye kunogara kuri kudya mitengo kunokurudzirwa.
316L Stainless simbi zvakare iri nyore kuita muchina kana ichienzaniswa ne316 Stainless simbi nekuda kwekudzika kwayo kabhoni.
Kupisa uye Kutonhora Kushanda
316L simbi isina tsvina inogona kupisa yakashandiswa uchishandisa akajairika anopisa maitiro ekushanda.Yakanyanya kupisa tembiricha yekushanda inofanirwa kunge iri pakati pe1150-1260°C, uye zvirokwazvo haifanirwe kunge iri pasi pe930°C. Post work annealing inofanira kuitwa kuti iite kuti pave nekusaita ngura.
Zvizhinji zvinowanzoitika kutonhora kushanda sekuveura, kudhirowa uye kutsika zvinogona kuitwa pa316L simbi isina tsvina.Post work annealing inofanira kuitwa kubvisa kushushikana kwemukati.
Kuomesa uye Kushanda Kuomesa
316L simbi isina kusimba haina kuomarara mukupindura kupisa kurapwa.Inogona kuomeswa nekushanda kunotonhora, izvo zvinogonawo kuguma nekuwedzera simba.
Applications
Yakajairika application inosanganisira:
•Midziyo yekugadzira chikafu kunyanya munzvimbo dzechloride.
•Pharmaceuticals
•Marine application
•Architectural applications
•Maimplants ekurapa, anosanganisira mapini, screws uye orthopaedic implants senge yakazara hudyu nemabvi kutsiva.
•Fasteners