ⓐ 适用于厚度0.1mm<t≤0.25mm
ⓑ 适用于厚度0.25mm<t≤1mm
①材料状态名称及字符代号:H-硬度(布氏硬度或维氏硬度),后缀数字表示硬度值;R-抗拉强度,后缀数字表示最小抗拉强度值;M-制造时,没有指定的机械性能;B-弹性弯曲极限;Y-规定非比例延伸率为0.2%时的应力。参见标准EN 1173-2008
②固溶+冷轧+沉淀硬化(Solution heat treated, cold rolled and precipitation hardened)
③固溶+冷轧+轧制硬化。进一步热处理以提高机械性能是可能的。(Solution heat treated, cold rolled and precipitation hardened at mill. Further heat treatment to increase mechanical properties may be possible.)
④固溶+冷轧+轧制硬化。(Solution heat treated, cold rolled and precipitation hardened at mill. )
注:括号内的数据不是本标准的要求,仅供参考