1. RC 65
2. RC 48
3. RC 57
4. RC 80
RC 65
1. cast iron
2. mild steel
3. non-ferrous materials
4. stainless steel
stainless steel
1. hot working
2. tempering
3. normalizing
4. annealing
annealing
1. RC 65
2. RC 48
3. RC 57
4. RC 80
RC 48
1. substitution solution
2. interstitial solid solution
3. intermetallic compounds
4. all of the above
interstitial solid solution
1. substitution solid solution
2. interstitial solid solution
3. intermetallic compounds
4. all of the above
substitution solid solution
1. relieve stresses
2. harden steel slightly
3. improve machining characteristic
4. soften material
harden steel slightly
1. aluminum
2. tin
3. zinc
4. silver
silver
1. RC 65
2. RC 48
3. RC 57
4. RC 80
RC 57
1. refine grain structure
2. reduce segregation in casting
3. improve mechanical properties
4. induce stresses
induce stresses