A6061 T652, QQ-A-367, B247 Forged steelmax2019-01-02T10:19:04+09:006월 16th, 2018| A6061 T652 규격이면서 QQ-A-367 규격의 알루미늄 합금은 ASTM B247 Forgings, AMS 4127과 비교됩니다. ※ Temper T652 : Solution heat treated, compressed to a permanent set of 1~5% for stress relief, and artificially aged