我国钢铁工业战线上的广大革命工人,坚持“独立自主、自力更生”的方针,在无产阶级文化大革命中,进一步成功地利用了我国丰富的合金资源,取得了发展普通低合金钢的新胜利。到目前为止,全国已经试制成功的普通低合金钢的钢种已有一百五十多个,普通低合金钢的产量比无产阶级文化大革命前的一九六五年增加了近三十倍,使用范围也已经 The vast majority of revolutionary workers in the steel industry in our country have consistently adopted the principle of “independence, self-reliance and self-reliance” in the proletarian cultural revolution to further utilize our abundant alloy resources and have won new victories in the development of ordinary low-alloy steel. So far, there have been more than 150 steel grades of common low-alloy steel that have been trial-produced in the country. The output of ordinary low-alloy steel has increased by nearly 30 times than that of 1965 before the Great Proletarian Cultural Revolution, The use of the range has also been