今 价:盐城S33C
合金钢带材@哪家好
碳素结构钢 S09CK S10C S12C S15C S17C S20C S20CK S22C S25C S28C S30C S33S S35C S38C S40C S43C C S58C
合金结构 Mn443 SMn43 SCr415 SCr42 SCM420 SCM4 SCM435 SCM44 SNCM815 SACM645
保证淬透性结构钢
SMn420H SMn433H SMn438H SMn443H SMn20H SMn43H 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
宽深比不合，
钢坯宽深比小于5：1；漏检，前缺陷未检查出来，漏。宽深比不合格的钢坯在轧制中很容易出现重皮疤的缺陷。尺寸超差。钢坯断面正确，但尺寸超过规定标准；钢坯断面不正确，呈菱形、梯形、平形四边形、多边形、错面凸起等，超出标准规定，容易形成包边折叠缺陷。内部缺陷气囊。沸腾钢坯剪切断面出现类似缩孔的缺陷。有这种缺陷的钢坯表面容易发生鼓包、撕裂、剪切宽展面大等现象，轧制中容易出现重皮疤，小裂口等问题。今 价:盐城S33C合金钢带材@哪家好
