zhèzhǒng / gāng / jīngguò / rèchǔlǐ / hòu / huì / chǎnshēng / bèishìtǐ / tígāo / qiángdù这种钢经过热处理后会产生贝氏体,提高强度。After heat treatment, this kind of steel produces bainite, which improves strength.