牌號(hào) | CR780Y980T-CP |
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 復(fù)相鋼 |
說明 | 牌號(hào)字符的含義: ①低碳鋼: CR=冷軋cold rolled独泞;HR=熱軋hot rolled笆赤;0=Commerical quality消李;1=Drawing quality;2=Deep Drawing quality蜒媳;3=Special deep Drawing quality跷缀;4=Extra deep Drawing quality;5=Super deep Drawing quality溶豌。如:CR1 ②高強(qiáng)度鋼: 軋制形式同上尖初;CR或HR后數(shù)字=最小屈服強(qiáng)度;BH=烘烤硬化桶淡;IF=無間隙原子纯末;LA=低合金;S=with controlled sulfide inclusions (optional)靴寂。如:CR180BH ③多相鋼 軋制形式同上磷蜀;CR或HR后數(shù)字xxxY=最小屈服強(qiáng)度,xxxT=最小抗拉強(qiáng)度百炬;-CP=復(fù)相褐隆;-DP=雙相;-DH=增強(qiáng)成形雙相剖踊;-MS=馬氏體庶弃;-TR=相變誘導(dǎo)塑性TRIP;-FB=鐵素體貝氏體德澈。如:CR1220Y1500T-MS ④涂層類型 -EG=電鍍鋅層歇攻;-GI=熱浸鍍鋅;-GA=熱浸鍍新鐵合金(鍍鋅)梆造;熱浸鍍鋁硅合金缴守;-ZM=熱浸鍍鋅鎂合金。如:CR3-GI40/40镇辉,表示冷軋材料雙面熱浸鍍鋅屡穗,鍍鋅層質(zhì)量為40克每平方米 ⑤表面質(zhì)量 -U=未暴露的;-E=暴露娶恕;-/-=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 |