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COMPOSIZIONE CHIMICA PERCENTUALE

Designazione Commerciale Cu Pb  Ni  Fe Mn Sn  Si  Al As Zn Sb P
OT-B  Basso Contenuto di Piombo

CuZn39Pb0,2 Al B – LEGA USA

59-60.5 0.2 max 0.2 max 0.2 max 0.05 max 0.35 max 0.03 max 0.4-0.65 Resto

CARATTERISTICHE FISICHE E MECCANICHE

Designazione Commerciale Massa Volumica Kg/dm3 Condutt. Elettrica IACS Lavorab. utens % rispetto barra OT Ritiro Lineare % Intervallo ottimale colata °C Punto fusione inf.(Solidus) °C Resistenza a  trazione Rm N/mm2 Carico unitario di scostamento della proporzionalità 0.2% Rp 0.2 N/mm2 Allungamento a rottura A % Durezza Brinell HB
OT-B BASSA PRESSIONE UNI EN 1982-2008-CB755S 8.4 21 80 1.9-2 980-1080 890 350 min 180 min 13 min 90 min