CR270LA
2023-05-17 18:52:07
来源:钢铁之家
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牌号 | CR270LA |
对应标准 | VDA 239-100-2016
冷成形用薄钢板 Sheet Steel for Cold Forming |
归类 | 合金钢 |
标签 | 冷轧高强度低合金钢板 |
说明 | 牌号字符的含义: ①低碳钢: CR=冷轧cold rolled;HR=热轧hot rolled;0=Commerical quality;1=Drawing quality;2=Deep Drawing quality;3=Special deep Drawing quality;4=Extra deep Drawing quality;5=Super deep Drawing quality。如:CR1 ②高强度钢: 轧制形式同上;CR或HR后数字=最小屈服强度;BH=烘烤硬化;IF=无间隙原子;LA=低合金;S=with controlled sulfide inclusions (optional)。如:CR180BH ③多相钢 轧制形式同上;CR或HR后数字xxxY=最小屈服强度,xxxT=最小抗拉强度;-CP=复相;-DP=双相;-DH=增强成形双相;-MS=马氏体;-TR=相变诱导塑性TRIP;-FB=铁素体贝氏体。如:CR1220Y1500T-MS |