GB/T 28300-2025

Active

Surface quality classes for hot-rolled bars and wire rod

热轧棒材和盘条表面质量等级

Standard Type
GBT
ICS
77.140.60
CCS
H40
Status
现行
Issue Date
2025-08-29
Implementation
2026-03-01
Responsible Dept
中国钢铁工业协会
Drafting Unit
N/A