1. iron
2. copper
3. aluminum
4. nickel
nickel
1. delta metal
2. monel metal
3. constantan
4. nichrome
nichrome
1. improvement of casting characteristics
2. improvement of corrosion resistance
3. one of the best known age and precipitation-hardening systems
4. improving machinability
improving machinability
1. improvement of casting characteristics
2. improvement of corrosion resistance
3. one of the best known age and precipitation-hardening systems
4. improving machinability
improvement of casting characteristics
1. copper and tin
2. copper and zinc
3. copper and iron
4. copper and nickel
copper and nickel
1. 63 to 67% nickel and 30% copper
2. 88% copper and 10% tin and rest zinc
3. alloy of tin, lead and cadmium
4. silver and chromium
alloy of tin, lead and cadmium
1. 1% silver
2. 2.5% silver
3. 5% silver
4. 10% silver
5\% silver
1. magnesium alloys
2. titanium alloys
3. chromium alloys
4. magnetic steel alloys
titanium alloys
1. 94% aluminum, 4% copper and 0.5% Mn, Mg, Si and Fe
2. 92.5% aluminum and, 4% copper, 2% nickel and 1.5% Mg
3. 10% aluminum and 90% copper
4. 90% magnesium and 9% aluminum with some copper
90\% magnesium and 9\% aluminum with some copper
1. mild steel
2. German silver
3. lead
4. graphite
graphite