牌號(hào) | CR330Y590T-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 |
說明 | 牌號(hào)字符的含義: ①低碳鋼: CR=冷軋cold rolled蚣凰;HR=熱軋hot rolled参咙;0=Commerical quality翘狱;1=Drawing quality蟋真;2=Deep Drawing quality绩蜻;3=Special deep Drawing quality膳算;4=Extra deep Drawing quality续誉;5=Super deep Drawing quality栈妆。如:CR1 ②高強(qiáng)度鋼: 軋制形式同上鞍爱;CR或HR后數(shù)字=最小屈服強(qiáng)度鹃觉;BH=烘烤硬化专酗;IF=無間隙原子;LA=低合金盗扇;S=with controlled sulfide inclusions (optional)祷肯。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)度疗隶,xxxT=最小抗拉強(qiáng)度佑笋;-CP=復(fù)相;-DP=雙相斑鼻;-DH=增強(qiáng)成形雙相蒋纬;-MS=馬氏體;-TR=相變誘導(dǎo)塑性TRIP坚弱;-FB=鐵素體貝氏體蜀备。如:CR1220Y1500T-MS ④涂層類型 -EG=電鍍鋅層;-GI=熱浸鍍鋅荒叶;-GA=熱浸鍍新鐵合金(鍍鋅)晾晕;熱浸鍍鋁硅合金;-ZM=熱浸鍍鋅鎂合金姥勤。如:CR3-GI40/40哮寨,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=未暴露的施俩;-E=暴露瞎遗;-/-=適用于對(duì)表面質(zhì)量無特殊要求的熱軋材料 ⑥表面處理:-P=預(yù)磷化 |