Home / Standards / GB/T 905-1994 GB/T 905-1994 Active Dimension，shape，weight and tolerance for cold-drawn round，square and hexagonal steels 冷拉圆钢、方钢、六角钢尺寸、外形、重量及允许偏差 Standard Type GBT ICS 77.140.70 CCS H40 Status 现行 Issue Date 1994-12-22 Implementation 1995-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A