冷轧:用热轧钢卷为原料,经酸洗去除氧化皮后进行冷连轧,其成品为轧硬卷,由于连续冷变形引起的冷作硬化使轧硬卷的强度、硬度上升、韧塑指标下降,因此冲压性能将恶化,只能用于简单变形的零件。轧硬卷可作为热镀锌厂的原料,因为热镀锌机组均设置有退 火线。轧硬卷重一般在6~13.5吨,钢卷在常温下,对热轧酸洗卷进行连续轧制。内径为610mm。
HR270F HR315F HR355F HR380F HR420F HR460F HR500F HR550F HR600F HR650F HR690F S315MC S355MC S420MC S460MC S500MC S550MC S600MC S650MC S700MC FeE315 FeE355 FeE420 FeE460 FeE500 FeE550 FeE600 FeE650 FeE700 HSLAS-FGrade340 HSLAS-FGrade410 HSLAS-FGrade480 HSLAS-FGrade550 CR140BH CR180BH CR220BH CR260BH CR300BH H180B H220B H260B H300B SPFC340H JSC270H JSC340H Grade180 Grade210 Grade240 Grade280 Grade300 SPH310 SAPH370 SAPH400 SAPH440 R380CL R440CL R540CL R590CL
JSC270C JSC270D JSC270E JSC270F JSC270DG JSC270H JSC340W JSC340H JSC340P JSC370W JSC370P JSC390W JSC390P JSC440W JSC440P JSC590R JSC590Y JSC780Y JSC980Y JSC1180Y JSH270C JSH270D JSH270E JSH310W JSH370W JSH400W JSH440W JSH440R JSH440B SAPH440BH JSH490W JSH490R JSH490B JSH540W JSH540R JSH540Y JSH540B JSH590W JSH590R JSH590Y JSH780W JSH780R JSH780Y ZStE340 ZSTE380 ZSTE420 ZSTE460 SPFH440,SPFH540,SPFH590,SPFC390,SPFC440,SPFC540,SPFC590
SMA400AW SMA400BW SMA400CW SMA400AP SMA400BP SMA400CP SMA490AW SMA490BW SMA400CW SMA400AP SMA400BP SMA400CP SMA570W SMA570P B460N B450NRRR NAW400235NH355NH Q460NH 16CuCr