.钢板的交货状态交货状态分类代号代号说明轧制ARAs-rolled下划线字母大写正火轧制或控制轧制NR或CRNormalized rolling或Control rolling下划线字母大写热机械控制轧制TMThermo-mechanically controlled rolling/processing下划线字母大写热处理正火NNormalizing下划线字母大写回火TTempering下划线字母大写淬火+回火(调质)QTQuenching and tempering下划线字母大写正火+回火NTNormalizing and tempering下划线字母大写退火AAnnealing下划线字母大写.