1. in the presence of notches
2. under hydrostatic compression
3. in the presence of embrittle-ment agents such as hydrogen
4. all of these
under hydrostatic compression
1. in the presence of notches
2. under hydrostatic compression
3. in the presence of embrittle-ment agents such as hydrogen
4. all of these
in the presence of notches
1. 4 to 5 %
2. 2 to 4 %
3. 5 to 8 %
4. 5 to 10 %
2 to 4 \%
1. free carbon
2. sulphur
3. silicon
4. none of these
free carbon
1. cast iron
2. high carbon steel
3. mild steel
4. none of these
cast iron
1. ductile material
2. malleable material
3. brittle material
4. none of these
brittle material
1. 1 mg
2. 20 mg
3. 200 mg
4. 350 mg
200 mg
1. 440-500 MPa
2. 500-600MPa
3. 500-840 MPa
4. 650-1000MPa
500-840 MPa
1. 0.2 to 0.4%
2. 1 to 1.3%
3. 2 to 4%
4. none of these
2 to 4\%
1. good wear resistance
2. good casting characteristic
3. excellent machinability
4. high compressive strength
5. all of these
all of these