亚共析钢的含碳量范围是();过共晶白口铸铁的含碳量范围是()。
A: 4.3%~5.69%0.0318%~0.77%
B: 4.3%~6.69%0.0218%~0.77%
C: 0.0218%~0.77%4.3%~6.69%
D: 0.0318%~0.77%4.3%~5.69%
A: 4.3%~5.69%0.0318%~0.77%
B: 4.3%~6.69%0.0218%~0.77%
C: 0.0218%~0.77%4.3%~6.69%
D: 0.0318%~0.77%4.3%~5.69%
举一反三
- 铸铁含碳量为 A: 2.11%~4.3% B: 4.3%~6.69%C C: 2.11% ~6.69% D: 0.77%~2.11% E: 0.0218%~0.77%
- 共晶白口铸铁的含碳量是( )% A: 0.77 B: 2.11 C: 4.3 D: 6.69
- 过共析钢的含碳量范围是()。 A: 4.3% B: 0.0218%~0.77% C: 0.77% D: 0.77%~2.11%
- 铸铁的含碳量为() A: 0.77%-2.11% B: 2.11%-6.69% C: 0.0218%-2.11% D: 2.11%-4.3%
- 铸铁含碳量为 A: 2.11%~4.3% B: 2.11% ~6.69% C: 4.3%~6.69%C D: 0.77%~2.11%