Avesta 248SV RUTILE description: AVESTA 248 SV rutile produces an austeniticferritic-martensitic weldment. It is designed for welding and repair of propellers, pumps, valves and shafts in 248 SV, ASTM 420 and similar types of steels and castings. Welding is normally performed without pre-heating unless considerable shrinkage stresses are to be expected.