Chất Chuẩn Thép Dạng Phoi – Giá Trị Tham Khảo 0.015%C 0.029%S 0.0384%N (150ppmC 290ppmS 384ppmN), 150 g

Steel Chip Standard Approximate values 0.015%C 0.029%S 0.0384%N 150ppm C 290ppm S 384ppm N See certificate 240123 for actual values. 150 g