吉安6150H结构钢材料@方式
碳素结构钢 S09CK S10C S12C S15C S17C S20C S20CK S22C S25C S28C S30C S33S C S48C S50C S53C S55C S5 SMn438 SMn443 SMn43 SCr4 SCr445 SCM41 SCM432 SCM4 SNC236 SN15 SNC631 SNC81
保证淬透性结构钢
SMn420H SMn433H SMn438H SMn443H SMn20 SCM445H SCM822H SN15H SNC631H SNC631H SNC815H SNCM220H SNCM420H
易
切削钢 SUN21 SUM22 SUM22L SUM23 SUM23L SUM24L SUM25 SUM31 SUM32 SUM41 SUM42 SUM43
冷镦钢 SWRCH6R SWRCH8R SWRCH10R SWRCH12R SWRCH15R SWRCH17R SWRCH6A SWRCH8A SWRCH10A SWRCH12A SWRCH15A SWRCH16A SWRCH18A SWRCH19A SWRCH20A SWRCH22A SWRCH25A SWRCH10K SWRCH12K SWRCH15K SWRCH16K SWRCH17K SWRCH18K SWRCH20K SWRCH22K SWRCH24K SWRCH25K SWRCH27K SWRCH30K SWRCH33K SWRCH35K SWRCH38K SWRCH40K SWRCH41K SWRCH43K SWRCH48K SWRCH50K
簧钢和
轴承钢 SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 S50C-CSP S50C-CSP S55C-CSP S60C-CSP S65C-CSP S70C-CSP SK85C-CSP SK55C-CSP SUP10-CSP
时推头自上而下的管子,管子发生相应的变形。下料尺寸的确定在确定冷压不锈钢
弯头的下料尺寸时必须考虑以下几个因素:不锈钢弯头的设计长度、弯头的端面余量以及
管材的拉伸和压率,同时由于压力是作用在管节的端面上,因此需在管节长边留有一定长度的直段h),以保证在时管节的接口处不致发生变形。根据以上考虑可确定下料 7cR1/4+2C1内弧 C2-式中尺——外弧半径;,——内弧半径;——拉伸率;——压缩率;c——余量;D——管节外径;R1=Ro+D/2=2D下料尺寸结构图如图5所示。吉安6150H结构钢材料@方式