武鋼硅鋼片標(biāo)準(zhǔn)

武鋼硅鋼片標(biāo)準(zhǔn)一武鋼硅鋼標(biāo)準(zhǔn)冷軋無(wú)取向電工鋼帶（片）1、范圍本標(biāo)準(zhǔn)規(guī)定了無(wú)取向電工鋼的牌號(hào)、公稱(chēng)厚度、疊裝系數(shù)、磁特性等技術(shù)條件。本標(biāo)準(zhǔn)適合于武漢鋼鐵股份有限公司生產(chǎn)的冷軋無(wú)取向電工鋼帶（片）。2、引用標(biāo)準(zhǔn)下列文件中的條款通過(guò)在本標(biāo)準(zhǔn)中的引用而構(gòu)成本標(biāo)準(zhǔn)的條款。凡是注日期的引用文件，其隨后所有的修改單（不包括勘誤的內(nèi)容）或修訂版均不適用于本標(biāo)準(zhǔn)，然而，鼓勵(lì)根據(jù)本標(biāo)準(zhǔn)達(dá)成協(xié)議的各方研究是否可使用這些文件的最新版本。凡是不注日期的引用文件，其最新版本適用于本標(biāo)準(zhǔn)。GB/T 228-1987 金屬拉伸試驗(yàn)方式GB/T 235-1988 金屬反復(fù)彎曲試驗(yàn)方法（厚度等于或小于3mm薄板及鋼帶）GB/T 247-1988 鋼板和鋼帶驗(yàn)收、包裝、標(biāo)志及質(zhì)量證明的一般規(guī)定GB/T 2522-1988 電工鋼（帶）層間電阻、涂層附著性、疊裝系數(shù)測(cè)試方法GB/T 3076-1982 金屬薄板（帶）拉伸試驗(yàn)方法GB/T 3655-1992 電工鋼片（帶）磁、電和物理性能測(cè)量方法GB/T 6397-1986 金屬拉伸試驗(yàn)試樣GB/T 13789-1998 單片面性電工鋼片（帶）磁性能測(cè)量方法3、牌號(hào)表示方法為了區(qū)別于GB/T2521-1996的同類(lèi)產(chǎn)品牌號(hào)，本標(biāo)準(zhǔn)牌號(hào)中的各符號(hào)含義表述如下：4、技術(shù)要求4.1磁特性4.1.1磁感在5000A/m交變磁場(chǎng)，頻率為50HZ時(shí)，規(guī)定其最小磁感值B5000(峰值)應(yīng)符合表1的規(guī)定。表1 磁特性和工藝特性牌號(hào)公稱(chēng)厚度mm理論密度kg/dm3最大鐵損W/kgP1.5/50最小磁感T B5000最小彎曲次數(shù)最小疊裝系數(shù)%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產(chǎn)品尺寸、外形及其允許偏差電工鋼產(chǎn)品可供規(guī)格厚度0.35mm0.50mm0.65mm寬度40mm-1290mm鋼卷內(nèi)徑508mm鋼卷外徑700mm-1550mm注：其他尺寸需經(jīng)供需雙方協(xié)商。尺寸及板形公差公稱(chēng)寬度（mm)公稱(chēng)厚度(mm)公差厚度允許偏差（mm）橫向厚度差(mm)寬度允許偏差(mm)2m內(nèi)鐮刀彎（mm）毛刺(mm)1500.350.500.650.040.040.050.020.030.03+0.301.00.05150-5000.350.500.650.040.040.050.020.030.03+0.50500-10000.350.500.650.040.040.050.020.030.04+1.5010000.350.500.650.040.040.050.020.040.04+1.50注：對(duì)于寬度830mm的鋼帶，允許以不切變狀態(tài)交貨，基寬度允許偏差為+05mm;橫向厚度差是指板中心與距邊部15mm的厚度差。典型電磁性能牌號(hào)厚度mm(in.)理論密度（kg/dm3）鐵芯損耗磁通密度（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：檢測(cè)依據(jù)GB/T3655-92或JIS C2550-1986檢測(cè)試樣縱橫向各半P15/50指頻率為50HZ，磁通密度為1.5T時(shí)的損耗B50指磁場(chǎng)強(qiáng)度為5000A/m時(shí)的磁通密度，依此類(lèi)推以上值為典型值而非保證值典型機(jī)械性能牌號(hào)厚度mm(in.)屈服強(qiáng)度抗拉強(qiáng)度延伸率(%)硬度彎曲次數(shù)疊片系數(shù)(%)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)44,0003638130303098.5B50A4700.50(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)44,0003840127303098.5B50A1000262(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)59,000406(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：拉伸檢測(cè)依據(jù)GB/T228-1987反復(fù)彎曲檢測(cè)依據(jù)JIS C2550疊片系數(shù)是指涂敷A涂層時(shí)的值以上值為典型值而非保證值表面絕緣涂層表面絕緣涂層寶鋼提供A、H、D三種類(lèi)型的絕緣涂層，用戶(hù)可根據(jù)層間電阻、沖片性、耐氟利昂性、耐熱性及其他特性選擇一種符合要求的涂層種類(lèi)。A涂層A涂層為半有機(jī)薄涂層，具有優(yōu)良的沖片性、耐腐蝕性、耐氟利昂性以及高層間電阻，尤其是焊接性能，適應(yīng)于中、小型電機(jī)、家