低碳钢的碳含量为()


低碳钢的碳含量为()

A、0.0218%~2.11%

B、2.11%~4.3%

C、0.25%~0.60%

D、0.008%~0.25%

正确答案:0.008%~0.25%


Tag:低碳钢 时间:2024-05-21 22:05:07