C34500 tooj dag, tseem hu ua Low Lead Red Brass, yog tsim los ntawm tooj liab, txhuas, zinc, thiab hlau. tooj liab siv li 80.5% ntawm cov muaj pes tsawg leeg, ua raws li zinc, uas yog 4-6% thiab 0.07% hlau. Lead yog qhov tseem ceeb ntawm qhov kawg, nce 0.06%.
| Element | Cov ntsiab lus (%) |
|---|---|
| Fe | Ntau dua lossis sib npaug rau 0.150 |
| Cu | 62.0-65 |
| Pb | 1.50-2.50 |
| Zn | 32.5-36.5 |
C34500 tooj dag boasts zoo heev txhua yam khoom, zoo tagnrho rau ntau daim ntaub ntawv. Cov hlau muaj lub zog tensile ntawm 42, 000 psi, yield zog ntawm 17, 000 psi, thiab Brinell hardness tooj (BHN) ntawm 82. Cov alloy qhov elongation feem pua (thaum so) yog 45 %, ua rau nws zoo tagnrho rau cov ntawv hlau ua haujlwm.
| Cov khoom | Metric | Imperial |
|---|---|---|
| Hardness, Rockwell B | 66 | 66 |
| Tensile zog thaum tawg | 372 MPa ua | 54 000 psi |
| Yield zog | 234 MPa rau | 34 000 psi |
| Elongation thaum so | 35% | 35% |
| Machinability (UNS C36000=100) | 90 | 90 |
C34500 tooj dag qhia tshwj xeeb rau lub cev, hluav taws xob thiab thermal conductivity thiab ductility. Nws muaj qhov ceev ntawm 8.44 g / cm^3, thermal conductivity ntawm 121 W / m K, thiab hluav taws xob conductivity ntawm 33% IACS. Cov hlau melting point nyob ntawm 890 degree thiab 905 degree.
C34500 tooj dag yog siv ntau yam kev siv hlau ua tsaug rau nws cov khoom zoo heev. Nws yog tsuas yog siv nyob rau hauv kev lag luam tsheb, tshwj xeeb tshaj yog nyob rau hauv manufacturing radiators, tshav kub exchangers, thiab lub rhaub cores. C34500 tooj dag kuj tseem siv hauv cov kav dej, qhov twg nws tau siv los ua fittings, flanges, thiab li qub. Nws cov ductility siab ua rau cov hlau no haum rau kev siv vov tsev thiab guttering.
C34500 tooj dag qhia tau zoo heev corrosion kuj, uas ua rau nws haum rau ntau yam kev siv. Cov hlau yog tiv thaiv los ntawm corrosion los ntawm kev tsim ib txheej nyias ntawm cov tooj liab carbonate. Qhov kev tiv thaiv txheej no kuj muab nws cov yam ntxwv xim ntsuab.
C34500 tooj dag tuaj yeem kho cua sov los txhim kho nws lub cev. Cov hlau yog rhuab mus rau qhov kub thiab txias sai sai. Cov txheej txheem no txhim kho cov hlau lub zog thiab hardness, ua rau nws zoo tagnrho rau cov ntawv thov uas yuav tsum tau muaj zog txhua yam thiab hnav tsis kam.
C34500 tooj dag yog ib qho yooj yim rau tshuab, ua rau nws zoo tagnrho rau ntau lawm. Cov hlau siab ductility ua rau nws yooj yim rau kev tsim, thaum nws cov corrosion kuj ua rau nws haum rau qhov chaw raug mob hnyav.
C34500 tooj dag tuaj yeem welded siv ntau yam kev siv vuam, xws li roj tungsten arc vuam (GTAW), roj hlau arc vuam (GMAW), thiab ntshav arc vuam (PAW). Cov txheej txheem vuam xws li oxyacetylene vuam thiab fusion vuam yuav tsum raug zam vim muaj cov hlau lead.
