武钢硅钢标准

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生产的冷轧无取向电工钢带〔片〕。2、引用标准以下文件中的条款通过在本标准中的引用而构本钱标准的条款。但凡注日期的引用文件，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。但凡不注日期的引用文件，其最新版本适用于本标准。GB/T228-1987金属拉伸试验方式GB/T235-1988金属反复弯曲试验方法〔厚度等于或小于3mm薄板及钢带〕GB/T247-1988钢板和钢带验收、包装、标志及质量证明的一般规定GB/T2522-1988电工钢〔带〕层间电阻、涂层附着性、叠装系数测试方法GB/T3076-1982金属薄板〔带〕拉伸试验方法GB/T3655-1992电工钢片〔带〕磁、电和物理性能测量方法GB/T6397-1986金属拉伸试验试样GB/T13789-1998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磁特性磁感在5000A/m交变磁场，频率为50HZ时，规定其最小磁感值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/kg

P1.5/50最小磁感TB5000最小弯曲次数最小叠装系数%35WW2300.357.602.301.62295.035WW2507.602.501.62235WW2707.652.701.62235WW3007.653.001.62535WW3607.653.601.63535WW4007.654.001.63535WW4407.704.401.65550WW2300.507.602.301.62297.050WW2507.602.501.62250WW2707.602.701.62250WW2907.602.901.62350WW3107.653.101.62550WW3507.653.501.62550WW4007.654.001.631050WW4707.704.701.641050WW6007.756.001.661050WW7007.807.001.671050WW8007.808.001.681050WW10007.8510.001.701050WW13007.8513.001.7210钢种和规格铁芯损耗指在频率为50HZ或60HZ，磁通密度在1.0T或1.5T下结果，磁通密度指在磁场强度为5000A/m下结果。除非特殊说明，铁芯损耗仅提供在50HZ/1.5T条件下结果。牌号厚度mm

(in.)理论密度

(kg/dm3)铁芯损耗≤磁通密度

〔T〕叠片系数〔%〕W/kgW/1b1.0T1.5T1.0T1.5T1.0T1.5T1.0T1.5T5000A/mB35A4400.35

(0.0138)7.701.804.402.305.600.822.001.041.041.64B35A5507.752.255.502.887.001.022.491.311.311.66B50A4700.50

(0.0197)7.752.004.702.555.950.972.131.161.161.6297B50A6007.752.606.003.307.601.182.721.501.501.65B50A7007.803.007.003.808.901.363.181.731.731.68B50A8007.803.608.004.5510.151.633.632.072.071.68B50A10007.854.4010.005.6012.702.004.542.542.541.69B50A13007.855.8013.007.3516.502.635.905.903.341.69B65A6000.65

(0.0256)7.752.706.003.417.611.222.722.721.551.6497B65A7007.753.157.003.988.881.433.183.181.811.65B65A8007.803.608.004.5510.151.633.633.632.071.66B65A10007.804.4010.005.6012.702.004.544.542.541.68B65A13007.855.8013.007.3516.502.635.905.903.341.69B65A16007.857.1016.009.0020.303.227.267.264.091.69注：检测依据B/T3655-92或JISC2550-1986试样纵横各半与JISC2552〔1986〕的一致性铁芯损耗指在频率为50HZ、磁通密度在1.5T下结果，磁通密指在磁场强度为5000A/m下结果注：检测依据JISC2550〔1986〕试样纵横各半钢种密度

〔kg/dm3〕铁损W15/50

〔W/kg〕

≤磁感B50

〔T〕

≥牌号厚度

〔mm〕35A4400.357.704.401.6450A4700.507.704.701.6250A6007.756.001.6550A7007.807.001.6850A8007.808.001.6850A10007.8510.001.6950A13007.8513.001.6965A8000.657.808.001.6665A10007.8010.001.6865A13007.8513.001.6965A16007.8516.001.69

应用牌号应用无取向磁性钢带〔片〕B35A440

B35A550B50A470

B50A600B50A700

B50A800B50A1000

B50A1300B65A600

B65A1600中型电机√√小型电机√√√√√微型电机√√√√√密闭电机√√√√√间歇电机√√√√通用交流电机√√√√√焊接变压器√√镇流圈√√√√继电器√√√电磁开关√√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钢卷内径508mm钢卷外径700mm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)≤1500.35

0.50

0.65±0.04

±0.04

±0.05≤0.02

≤0.03

≤0.03+0.3

0≤1.0≤0.05>150-5000.35

0.50

0.65±0.04

±0.04

±0.05≤0.02

≤0.03

≤0.03+0.5

0>500-10000.35

0.50

0.65±0.04

±0.04

±0.05≤0.02

≤0.03

≤0.04+1.5

0>10000.35

0.50

0.65±0.04

±0.04

±0.05≤0.02

≤0.04

≤0.04+1.5

0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)7.701.693.892.104.820.771.760.952.191.491.581.661.78B35A5507.751.703.902.114.840.771.770.962.201.501.591.671.79B50A4700.50

(0.0197)7.751.774.072.235.150.801.851.012.341.511.601.681.79B50A6007.751.854.282.335.420.841.941.062.461.521.611.691.80B50A7007.802.585.513.226.901.172.501.463.131.551.641.721.83B50A8007.802.685.843.357.361.222.651.523.341.551.641.721.83B50A10007.852.986.513.768.301.352.921.713.761.581.671.751.86B50A13007.853.257.114.139.131.473.231.874.141.581.671.751.86B65A6000.65

(0.0256)7.752.094.782.696.190.952.171.222.811.511.611.691.80B65A7007.752.315.252.986.801.052.381.353.081.511.611.691.80B65A8007.802.876.193.657.951.302.811.663.611.551.641.721.83B65A10007.803.141.973.998.951.423.161.814.061.551.641.721.83B65A13007.853.548.014.5710.531.613.632.074.781.581.671.751.86B65A16007.854.189.525.4012.521.904.322.455.681.581.671.751.86注：检测依据GB/T3655-92或JISC2550-1986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)46,0003537138≥30≥3098B35A550244(25)35,000253(26)37,000400(41)58,000418(43)44,0003638130≥30≥3098.5B50A4700.50

(0.0197)260(27)38,000269(27)39,000419(43)61,000428(43)45,0003638137≥30≥3098.5B50A600240(24)35,000240(24)35,000400(41)58,000410(42)43,0003840129≥30≥3098.5B50A700270(28)39,000288(29)42,000402(41)58,000412(42)43,0003840128≥30≥3098.5B50A800280(29)41,000290(30)42,000407(42)59,000419(43)44,0003840127≥30≥3098.5B50A1000262(27)38,000262(27)38,000374(38)39,000384(39)40,0004042117≥30≥3098.5B50A1300253(26)37,000261(27)38,000357(27)37,000357(27)37,0004142110≥30≥3098.5B65A6000.65

(0.0256)245(25)36,000254(26)37,000406(41)59,000406(41)59,0003839137≥30≥3099B65A700245(25)36,000254(26)37,000406(41)59,000406(41)59,0003738130≥30≥3099B65A800263(27)38,000272(28)39,000401(41)58,000401(41)58,0003940128≥30≥3099B65A1000280(29)41,000289(29)42,000408(42)59,000420(43)61,0003839127≥30≥3099B65A1300248(25)36,000257(26)37,000366(37)53,000388(40)56,0004040115≥30≥3099B65A1600252(26)37,000284(29)41,000358(37)52,000369(38)53,0004142110≥30≥3099注：拉伸检测依据GB/T228-1987反复弯曲检测依据JISC2550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外表绝缘涂层外表绝缘涂层宝钢提供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、家用电器

马达及小型变压器EI铁芯，相当于川铁的A1涂层及武钢的T4涂层。H涂层H涂层为半有机厚涂层，具有优良的冲片性、耐腐蚀性、耐氟利昂性以及高层间电阻，适应于中、小型电机。相当于川铁的A1涂层及武钢的T4涂层。D涂层D涂层为无机涂层，这种涂层具有优良的焊接性和耐热性，适应于中、小电机，尤其适应在较高温度下进行消除应力退火使用。相当于AISI的C-4涂层及武钢的T3涂层。除非特殊说明，钢种设计的外表绝缘涂层均为A涂层。外表绝缘涂层特性特性工程A涂层H涂层D