가스 압접 이음 적용 철근 연혁
: 적용가능철근 (SD300, SD400, SD500, SD600, SD400W, SD500W, SD400S, SD500S, SD600S) ▷KS B 0554 : 2014R ~>가스압접 적용대상 : SD600이하, SD400W, SD500W ▷KS B 0554 : 2024~>가스압접 적용대상 : SD300, SD400, SD500, SD600, SD400W, SD500W, SD400S, SD500S, SD600S
2025. 5. 13.