Home / Standards / GB/T 9946-1988 GB/T 9946-1988 Abolished Dimensions,shape,weight and tolerances for hot-rolled L-sectional steel 热轧L型钢尺寸、外形、重量及允许偏差 Standard Type GBT ICS 77.140.70 CCS H44 Status 废止 Issue Date 1988-09-20 Implementation 1990-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A