Sonal Metal

Copper tubes and pipes - of refined copper

Copper tubes and pipes - of copper alloys : of copper-zinc base alloys (brass)

Copper tube or pipe fittings (for example, couplings, elbows, sleeves) of refined copper

Copper bars, rods and profiles - of refined copper :electrolytic copper rods or black copper rods

Copper tubes and pipes - of copper alloys : of copper-nickel base alloys (cupro-nickel) or copper-nickel-zinc base alloys (nickel silver)