Thelekisa ezimbini iindidi zeNsimbi engenasici
Ubungqina obukwabiwe ngohlobo lwe-316 kunye ne-316L Insimbi engenasici
Ngoxa ufana nohlobo lwe- Type 316 kunye no-316L lubonisa ukumelana nokunciphisa ukulungiswa komzimba kwaye kunamandla kumaqondo aphezulu aphezulu.
Zizo zombini zingenakunzima ngonyango lokushisa kwaye zingenziwa ngokukhawuleza kwaye zitsalwe.
Iinqwelo ezinamanzi ezingenakunamanzi ezingama-316 kunye ne-316L zifuna ukufudumeza phakathi ko-1900-2100 ° F (1038-1149 ° C) ngaphambi kokuba ucime ngokukhawuleza.
Uhlobo lwe-316 kunye ne-316L yeeNsimbi zihluke njani
Insimbi engenasici engama-316 ine-carbon engaphezu kwe-316L. Oku kulula ukukhumbula, njengoko i-L imele "ephantsi." Kodwa nangona i-carbon engaphantsi, i-316L ifana kakhulu ne-316 malunga nayo yonke indlela. Iindleko zifana kakhulu, kwaye zombini zihlala zihlala zihlala zikhona, ukuxhatshazwa kwe-corrosion, kunye nokukhetha okuhle kwiimeko ezixinzelelekileyo.
316L, nangona kunjalo, lukhethi olungcono kwiprojekthi efuna ukunyuka okukhulu. Kungenxa yokuba i-316 inetyala elingaphezu kwe-316L ukuloba ukubola (nangona i-316 ingafakelwa ukulwa nokubola kwe-weld). I-316L yinto eninzi engenamanzi entsimbi yokushisa okuphezulu, ukusebenzisa i-corrosion ephezulu, yintoni eyenziwa kakhulu ekusebenziseni ekwakhiweni nakwiiprojekthi zolwandle.
Akukho 316 okanye i-316L yindlela ephantsi kakhulu (304 ne-304L ifanayo kodwa ixabiso eliphantsi). Kwaye akukho nxaxheba ehlala phambili (317 kunye no-317L, ngenxa yezinto eziphezulu ze-molybdenum, zilungele ukukhushulwa kwe-corrosion).
Ziziphi iimpawu zohlobo lwe-316 Steel?
Uhlobo lwe-316 lensimbi luyi- austenitic chromium - nickel entsimbi engenasinxibe equlethe phakathi kweebini ezimbini neyesithathu i- molybdenum .
Umxholo we-molybdenum ukwandisa ukuxhatshazwa kwe- corrosion , kuphucula ukuxhathisa kwi-solutions ze-chloride ion kunye nokwandisa amandla kumaqondo aphezulu.
Uhlobo lwe-316 lwamanqanaba angenasinxiwa ensimbi lusebenza ngokukodwa kwimimandla e-acidic. Eli bakala lensimbi lisebenza ngokukhuselana nokulwa ne-corrosion ebangelwa yi-sulfuric, i-hydrochloric, i-acetic, ifomu kunye ne-acart tartaric, kunye ne-acid sulfates kunye ne-alkali chloride.
Uhlobo lwe-316 lweNsimbi lusetyenziswa njani?
Ukusetyenziswa ngokuqhelekileyo kwintlobo ye-316 insimbi engenasinxibe kubandakanya ukwakhiwa kwezinto ezininzi zokukhupha, izithando zomlilo, iinxalenye zeenjini, ii-injini kunye nezixhobo zephoto, i-valve kunye neepompo, izixhobo zokucubungula iikhemikhali, iitanks, i-evaporators, kunye ne-pulp, iphepha kunye izixhobo zokucubungula iimpahla kunye naliphi na indawo evezwe kwimihlaba yolwandle.
Ziziphi iimpawu zohlobo lwe-316L zeNsimbi?
Uhlobo lwe-316L lwensimbi engenasinxibe yinkcazo engaphezulu kwekhabhoni ye-316 ye- alloy steel. Umxholo wekhabhoni ophantsi kwi-316L unciphisa umonakalo we-carbide echanekileyo ngenxa ye-welding. Ngenxa yoko, i-316L isetyenziswe xa kuhlanjululwa i-welding ukuze kuqinisekiswe ukuxhatshazwa kwe-corrosion.
Iipropati zePhysical Type of 316 Steels
- Ubungakanani: 0.799g / cm 3
- Ukukhutshwa kombane: 74 microhm-cm (20C)
- Ubushushu obucacileyo: 0.50 kJ / kg-K (0-100 ° C)
- Ukuqhuba kwe-thermal: 16.2 W / mk (100 ° C)
- I-Modulus ye-Elasticity (MPa): 193 x 10 3 ekuxhatshazweni
- Ubungakanani be-Melting: 2500-2550 ° F (1371-1399 ° C)
Uhlobo lwe-316 no-316L Uluhlu lwe-Stainless Steel Ukubunjwa:
Oku kulandelayo kukuphazamiseka kweepesenti zezinto ezahlukahlukeneyo ezisetyenziselwa ukudala i-316 ne-316L insimbi engenasici:
| Element | Uhlobo lwe-316 (%) | Uhlobo lwe-316L (%) |
| ICarbon | 0.08 max. | 0.03 max. |
| IManganese | 2.00 max. | 2.00 max. |
| Phosphorus | 0.045 max. | 0.045 max. |
| Sulfure | 0.03 max. | 0.03 max. |
| Silicon | 0.75 max. | 0.75 max. |
| Chromium | 16.00-18.00 | 16.00-18.00 |
| Nickel | 10.00-14.00 | 10.00-14.00 |
| Molybdenum | 2.00-3.00 | 2.00-3.00 |
| Iitrogen | 0.10 max. | 0.10 max. |
| Intsimbi | Ukulingana | Ukulingana |
Umthombo: I- AK Steel Product Data Sheets. 316 / 316L I-Stainless Steel