سفارشی a351 cf8m داغ در فروش
ASTM A351 Gr. CF8m Ball / Gate/ Check Valve manufacturer in … ASME SA 351 grade CF8m ball valve, Gate and Check Valves manufacturer in India. astm a351 gr. cf8m Valves have up to 21% chromium and 8% nickel in their chemical composition with carbon, manganese, silicon, sulfur, phosphorus and molybdenum in the composition.