牌號(hào) | CR590Y980T-DP |
對(duì)應(yīng)標(biāo)準(zhǔn) | VDA 239-100-2016
冷成形用薄鋼板 Sheet Steel for Cold Forming |
歸類 | 合金鋼 |
標(biāo)簽 | 冷軋薄鋼板 雙相鋼 |
說(shuō)明 | 牌號(hào)字符的含義: ①低碳鋼: CR=冷軋cold rolled;HR=熱軋hot rolled玷利;0=Commerical quality榕吨;1=Drawing quality橄浓;2=Deep Drawing quality描琉;3=Special deep Drawing quality捂臣;4=Extra deep Drawing quality调鬓;5=Super deep Drawing quality房匆。如:CR1 ②高強(qiáng)度鋼: 軋制形式同上;CR或HR后數(shù)字=最小屈服強(qiáng)度猎之;BH=烘烤硬化桶悍;IF=無(wú)間隙原子;LA=低合金鹃远;S=with controlled sulfide inclusions (optional)讼逐。如:CR180BH ③多相鋼 軋制形式同上;CR或HR后數(shù)字xxxY=最小屈服強(qiáng)度嚎闹,xxxT=最小抗拉強(qiáng)度凸翩;-CP=復(fù)相;-DP=雙相暂臀;-DH=增強(qiáng)成形雙相肪麦;-MS=馬氏體;-TR=相變誘導(dǎo)塑性TRIP帐扯;-FB=鐵素體貝氏體烫奏。如:CR1220Y1500T-MS ④涂層類型 -EG=電鍍鋅層;-GI=熱浸鍍鋅罪褒;-GA=熱浸鍍新鐵合金(鍍鋅);熱浸鍍鋁硅合金仰铃;-ZM=熱浸鍍鋅鎂合金婿着。如:CR3-GI40/40,表示冷軋材料雙面熱浸鍍鋅醋界,鍍鋅層質(zhì)量為40克每平方米 ⑤表面質(zhì)量 -U=未暴露的竟宋;-E=暴露;-/-=適用于對(duì)表面質(zhì)量無(wú)特殊要求的熱軋材料 ⑥表面處理:-P=預(yù)磷化 |