Home / Standards / GB/T 5028-2008 GB/T 5028-2008 Abolished Metallic materials - Sheet and strip - Determination of tensile strain hardening exponent 金属材料 薄板和薄带 拉伸应变硬化指数(n值)的测定 Standard Type GBT ICS 77.040.10 CCS H22 Status 废止 Issue Date 2008-12-06 Implementation 2009-10-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A