牌號(hào) | CR210BH |
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 | 碳鋼 |
標(biāo)簽 | 冷軋烘烤硬化鋼板 |
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拼弃;0=Commerical quality绎瓣;1=Drawing quality棺耍;2=Deep Drawing quality向酝;3=Special deep Drawing quality杀捻;4=Extra deep Drawing quality彼窥;5=Super deep Drawing quality丑炒。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)度筛粘;BH=烘烤硬化桐夭;IF=無(wú)間隙原子;LA=低合金熊倡;S=with controlled sulfide inclusions (optional)搅谆。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)度讳帆,xxxT=最小抗拉強(qiáng)度阀温;-CP=復(fù)相;-DP=雙相置狠;-DH=增強(qiáng)成形雙相啡笑;-MS=馬氏體;-TR=相變誘導(dǎo)塑性TRIP黄鳍;-FB=鐵素體貝氏體推姻。如:CR1220Y1500T-MS ④涂層類型 -EG=電鍍鋅層;-GI=熱浸鍍鋅框沟;-GA=熱浸鍍新鐵合金(鍍鋅)藏古;熱浸鍍鋁硅合金;-ZM=熱浸鍍鋅鎂合金忍燥。如:CR3-GI40/40拧晕,表示冷軋材料雙面熱浸鍍鋅,鍍鋅層質(zhì)量為40克每平方米 ⑤表面質(zhì)量 -U=未暴露的梅垄;-E=暴露厂捞;-/-=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 |