牌號(hào) | HR0 |
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 | 熱軋低碳鋼板 |
說(shuō)明 | 牌號(hào)字符的含義: ①低碳鋼: CR=冷軋cold rolled铭轩;HR=熱軋hot rolled校社;0=Commerical quality;1=Drawing quality;2=Deep Drawing quality惊也;3=Special deep Drawing quality;4=Extra deep Drawing quality嘀回;5=Super deep Drawing quality艇线。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)度锦是;BH=烘烤硬化涤玷;IF=無(wú)間隙原子;LA=低合金漓琢;S=with controlled sulfide inclusions (optional)称几。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)度稿施,xxxT=最小抗拉強(qiáng)度疫稿;-CP=復(fù)相;-DP=雙相鹃两;-DH=增強(qiáng)成形雙相遗座;-MS=馬氏體;-TR=相變誘導(dǎo)塑性TRIP俊扳;-FB=鐵素體貝氏體员萍。如:CR1220Y1500T-MS ④涂層類型 -EG=電鍍鋅層;-GI=熱浸鍍鋅拣度;-GA=熱浸鍍新鐵合金(鍍鋅)碎绎;熱浸鍍鋁硅合金;-ZM=熱浸鍍鋅鎂合金抗果。如:CR3-GI40/40筋帖,表示冷軋材料雙面熱浸鍍鋅奸晴,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=暴露日麸;-/-=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 |