? 適用于厚度0.1mm<t≤0.25mm
? 適用于厚度0.25mm<t≤1mm
①材料狀態(tài)名稱及字符代號:H-硬度(布氏硬度或維氏硬度)砖瞧,后綴數(shù)字表示硬度值息堂;R-抗拉強(qiáng)度,后綴數(shù)字表示最小抗拉強(qiáng)度值块促;M-制造時荣堰,沒有指定的機(jī)械性能;B-彈性彎曲極限竭翠;Y-規(guī)定非比例延伸率為0.2%時的應(yīng)力振坚。參見標(biāo)準(zhǔn)EN 1173-2008
②固溶+冷軋+沉淀硬化(Solution heat treated, cold rolled and precipitation hardened)
③固溶+冷軋+軋制硬化。進(jìn)一步熱處理以提高機(jī)械性能是可能的祠劣。(Solution heat treated, cold rolled and precipitation hardened at mill. Further heat treatment to increase mechanical properties may be possible.)
④固溶+冷軋+軋制硬化秤淀。(Solution heat treated, cold rolled and precipitation hardened at mill. )
注:括號內(nèi)的數(shù)據(jù)不是本標(biāo)準(zhǔn)的要求,僅供參考