1. Nickel steel
2. Silicon steel
3. Chrome steel
4. High speed steel
High speed steel
1. Dark
2. White
3. Light
4. Finger prin
Light
1. Wear resistance
2. Hardness
3. Toughness
4. Both (a) and (b)
Both (a) and (b)
1. Vanadium 18%, chromium 4%and tungstem1%
2. Vanadium 4%, chromium 18%and tungstem1%
3. Vanadium 1%, chromium 4%and tungstem18%
4. Vanadium 18%, chromium 1%and tungstem4%
Vanadium 1\%, chromium 4\%and tungstem18\%
1. 18% carbon
2. 4% carbon
3. 1% carbon
4. 0.7% carbon
0.7\% carbon
1. Vanadium
2. Chromium
3. Tungsten
4. Iron
Iron
1. Increase
2. Decrease if cooled fast
3. Increase if cooled fast
4. None of these
Decrease if cooled fast
1. Carbon
2. Cementite
3. Martensite
4. Pearlite
Martensite
1. Pearlite
2. Ferrite
3. Cementite
4. Martensite
Pearlite
1. Martensitic stainless steel
2. Ferritic stainless steel
3. Austenitic stainless steel
4. None of these
Martensitic stainless steel