C18400 tooj liab yog cov hlau lead, high-tin bronze alloy uas muaj txog li 6% tin, mus txog 2% txhuas, thiab me me ntawm phosphorus thiab hlau. Cov hlau no zoo ib yam li C18200 lossis C18150 tooj liab tab sis nrog cov ntsiab lus ntau dua. Tus niam ntxiv dag zog rau cov tooj liab thiab txhim kho nws txoj kev tiv thaiv kev hnav thiab tsim kua muag.
| Element | Cov ntsiab lus (%) |
|---|---|
| Cu | 99.2 |
| Cr | 0.8 |
C18400 tooj liab muaj zoo thermal thiab hluav taws xob conductivity, ua rau nws zoo tagnrho rau cov tshuab hluav taws xob. Nws muaj qhov ceev ntawm 8.53 g / cm3 thiab melting point ntawm 1,084 degree. Nws coefficient ntawm thermal expansion yog 17.7 x 10-6 K-1, thiab nws thermal conductivity yog 92 W / m·K.
| Cov khoom | Metric | Imperial |
|---|---|---|
| Qhov ntom | 8.89 g/m² | 0.321 lb/in³ |
| Melting point | 1 070.0 degree | 1958 degree F |
C18400 tooj liab muaj cov khoom siv zoo, suav nrog lub zog siab, hardness, thiab hnav tsis kam. Nws muaj lub zog tensile ntawm 520 MPa thiab lub zog tawm ntawm 345 MPa. Nws elongation ntawm so yog 12%, thiab nws cov toughness yog 35 J.
| Cov khoom | Metric | Imperial |
|---|---|---|
| Thermal expansion co-efficient (@20-100 degree /68-212 degree F) | 17.6 µm / m degree | 9.78 µin / hauv degree F |
| Thermal conductivity (@20 ° C / 68 ° F) | PEB 171 W/mK | 1190 BTU in/hr.ft². degree F |
Vim nws zoo heev hluav taws xob conductivity thiab thermal zog, C18400 tooj liab yog siv nyob rau hauv hluav taws xob systems, xws li nyob ntawm tej, connectors, thiab terminals. Nws yog lub zog siab thiab hnav tsis kam ua rau nws zoo tagnrho rau kev siv lub zog, bearings, thiab lwm yam tshuab. Nws kuj yog siv nyob rau hauv marine daim ntaub ntawv, xws li shipbuilding thiab kev tsim kho ntawm offshore lug.
C18400 tooj liab muaj Rockwell hardness ntawm B80 thiab Brinell hardness ntawm 180. Qhov hardness no ua rau nws nyuaj rau tshuab tab sis muab kev hnav zoo heev.
C18400 tooj liab tsis tuaj yeem kho cua sov kom nws lub zog lossis lwm yam khoom siv kho tshuab. Txawm li cas los xij, nws tuaj yeem ua rau annealed los txhim kho nws cov machinability.
C18400 tooj liab tuaj yeem welded siv TIG, MIG, qhov chaw vuam, thiab cov txheej txheem brazing. Txawm li cas los xij, cov ntsiab lus siab ntawm cov hlau no ua rau nws nyuaj rau vuam, thiab yuav tsum tau ceev faj tshwj xeeb los tiv thaiv porosity thiab lwm yam vuam tsis xws luag.
C18400 tooj liab muaj qhov zoo tiv thaiv corrosion nyob rau hauv feem ntau ib puag ncig. Txawm li cas los xij, nws tsis tsim nyog rau qhov chaw acidic lossis corrosive vim nws tuaj yeem corrode los yog qhov.
