一、牌号：Q550NHC二、Q550NHC交货状态：热轧、控轧、正火三、Q550NHC执行标准：GBT 4171-2008四、Q550NHC耐候钢板简介Q550NHC耐候钢板，是介于普通钢和不锈钢之间的低合金钢系列，分为Q550NHA、Q550NHB、Q550NHC、Q550NHD、Q550NHE五个等级。Q550NHC主要用于车辆、集装箱…