武钢硅钢片标准(共5页)

1、精选优质文档-倾情为你奉上武钢硅钢片标准一武钢硅钢标准冷轧无取向电工钢带（片）1、范围本标准规定了无取向电工钢的牌号、公称厚度、叠装系数、磁特性等技术条件。本标准适合于武汉钢铁股份有限公司生产的冷轧无取向电工钢带（片）。2、引用标准下列文件中的条款通过在本标准中的引用而构成本标准的条款。凡是注日期的引用文件，其随后所有的修改单（不包括勘误的内容）或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/T 228-1987 金属拉伸试验方式GB/T 235-1988 金属反复弯曲试验方法（厚度等于或小于3

2、mm薄板及钢带）GB/T 247-1988 钢板和钢带验收、包装、标志及质量证明的一般规定GB/T 2522-1988 电工钢（带）层间电阻、涂层附着性、叠装系数测试方法GB/T 3076-1982 金属薄板（带）拉伸试验方法GB/T 3655-1992 电工钢片（带）磁、电和物理性能测量方法GB/T 6397-1986 金属拉伸试验试样GB/T 13789-1998 单片面性电工钢片（带）磁性能测量方法3、牌号表示方法为了区别于GB/T2521-1996的同类产品牌号，本标准牌号中的各符号含义表述如下：4、技术要求4.1磁特性4.1.1磁感在5000A/m交变磁场，频率为50HZ时，规定其最

3、小磁感值B5000(峰值)应符合表1的规定。表1 磁特性和工艺特性牌号公称厚度mm理论密度kg/dm3最大铁损W/kgP1.5/50最小磁感T B5000最小弯曲次数最小叠装系数%35WW2300.357.602.301.62295.035WW2507.602.501.62235WW2707.652.701.62235WW3007.653.001.62535WW3607.653.601.63535WW4007.654.001.63535WW4407.704.401.65550WW2300.507.602.301.62297.050WW2507.602.501.62250WW2707.602.7

4、01.62250WW2907.602.901.62350WW3107.653.101.62550WW3507.653.501.62550WW4007.654.001.631050WW4707.704.701.641050WW6007.756.001.661050WW7007.807.001.671050WW8007.808.001.681050WW10007.8510.001.701050WW13007.8513.001.7210 产品尺寸、外形及其允许偏差电工钢产品可供规格厚度0.35mm0.50mm0.65mm宽度40mm-1290mm钢卷内径508mm钢卷外径700mm-155

5、0mm注：其他尺寸需经供需双方协商。尺寸及板形公差公称宽度（mm)公称厚度(mm)公差厚度允许偏差（mm）横向厚度差(mm)宽度允许偏差(mm)2m内镰刀弯（mm）毛刺(mm)1500.350.500.65±0.04±0.04±0.050.020.030.03+0.301.00.05>150-5000.350.500.65±0.04±0.04±0.050.020.030.03+0.50>500-10000.350.500.65±0.04±0.04±0.050.020.030.04+1.50&g

6、t;10000.350.500.65±0.04±0.04±0.050.020.040.04+1.50注：对于宽度>830mm的钢带，允许以不切变状态交货，基宽度允许偏差为+05mm;横向厚度差是指板中心与距边部15mm的厚度差。典型电磁性能牌号厚度mm(in.)理论密度（kg/dm3）铁芯损耗磁通密度（T）W/kgW/1bP10/50P15/50P10/60P15/60P10/50P15/50P10/60P15/60B10B25B50B100B35A4400.35(0.0138)7.701.693.892.104.820.771.760.952.191.49

7、1.581.661.78B35A5507.751.703.902.114.840.771.770.962.201.501.591.671.79B50A4700.50(0.0197)7.751.774.072.235.150.801.851.012.341.511.601.681.79B50A6007.751.854.282.335.420.841.941.062.461.521.611.691.80B50A7007.802.585.513.226.901.172.501.463.131.551.641.721.83B50A8007.802.685.843.357.361.222.651.523

8、.341.551.641.721.83B50A10007.852.986.513.768.301.352.921.713.761.581.671.751.86B50A13007.853.257.114.139.131.473.231.874.141.581.671.751.86B65A6000.65(0.0256)7.752.094.782.696.190.952.171.222.811.511.611.691.80B65A7007.752.315.252.986.801.052.381.353.081.511.611.691.80B65A8007.802.876.193.657.951.30

9、2.811.663.611.551.641.721.83B65A10007.803.141.973.998.951.423.161.814.061.551.641.721.83B65A13007.853.548.014.5710.531.613.632.074.781.581.671.751.86B65A16007.854.189.525.4012.521.904.322.455.681.581.671.751.86注：检测依据GB/T3655-92或JIS C2550-1986检测试样纵横向各半P15/50指频率为50HZ，磁通密度为1.5T时的损耗B50指磁场强度为5000A/m时的磁通密

10、度，依此类推以上值为典型值而非保证值典型机械性能牌号厚度mm(in.)屈服强度抗拉强度延伸率(%)硬度弯曲次数叠片系数(%)LCLCN/mm2(kgf/mm2)lb/in2N/mm2(kgf/mm2)lb/in2N/mm2(kgf/mm2)lb/in2N/mm2(kgf/mm2)lb/in2L41CLCB35A4400.35(0.0138)260(27)38,000269(27)39,000419(43)61,000438(45)46,0003537138303098B35A550244(25)35,000253(26)37,000400(41)58,000418(43)44,00036381

11、30303098.5B50A4700.50(0.0197)260(27)38,000269(27)39,000419(43)61,000428(43)45,0003638137303098.5B50A600240(24)35,000240(24)35,000400(41)58,000410(42)43,0003840129303098.5B50A700270(28)39,000288(29)42,000402(41)58,000412(42)43,0003840128303098.5B50A800280(29)41,000290(30)42,000407(42)59,000419(43)44,

12、0003840127303098.5B50A1000262(27)38,000262(27)38,000374(38)39,000384(39)40,0004042117303098.5B50A1300253(26)37,000261(27)38,000357(27)37,000357(27)37,0004142110303098.5B65A6000.65(0.0256)245(25)36,000254(26)37,000406(41)59,000406(41)59,0003839137303099B65A700245(25)36,000254(26)37,000406(41)59,00040

13、6(41)59,0003738130303099B65A800263(27)38,000272(28)39,000401(41)58,000401(41)58,0003940128303099B65A1000280(29)41,000289(29)42,000408(42)59,000420(43)61,0003839127303099B65A1300248(25)36,000257(26)37,000366(37)53,000388(40)56,0004040115303099B65A1600252(26)37,000284(29)41,000358(37)52,000369(38)53,0004142110303099注：拉伸检测依据GB/T228-1987反复弯曲检测依据JIS C2550叠片系数是指涂敷A涂层时的值以上值为典型值而非保证值表面绝缘涂层表面绝缘涂层宝钢提供A、H、D三种类型的绝缘涂层，用户可根据层间电阻、冲片性、耐氟利昂性、耐热性及其他特性选择一种符合要求的涂层种类。A涂层A涂层为半有机薄涂层，具有优良的冲片性、耐腐蚀性、耐氟利昂性以及高层间电阻，尤其是焊接性能，适应于中、小型电机、家用电