Home / Standards / GB/T 45970-2025 GB/T 45970-2025 Active Steel wire and wire products —Zinc or zinc-aluminum alloy coating 钢丝及其制品 锌或锌铝合金镀层 Standard Type GBT ICS 77.140.65 CCS H49 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A