取向(xiang)硅鋼(gang)(gang)(gang)(gang)B30P100B30P105B30P120B30G120B30G130B35G15523RK07523RK08023RK08523QG08523RK09023QG09023QG09523QG10023Q11027RK08527RK09027QG09027RK09527QG09527QG10027Q120陜(shan)西30RK10030QG10030QG10530QG12030Q12030Q130陜(shan)西35Q1557.5 表(biao)面結構表(biao)面結構為(wei)麻面(D)時(shi)，平均粗糙度 Ra 按(an)(an) 0.6μm＜Ra≤1.9μm 控制(zhi)。8 檢(jian)驗(yan)(yan)(yan)和(he)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)8.1 鋼(gang)(gang)(gang)(gang)板(ban)(ban)及鋼(gang)(gang)(gang)(gang)帶(dai)(dai)的(de)(de)外觀(guan)用肉(rou)眼(yan)檢(jian)查。8.2 鋼(gang)(gang)(gang)(gang)板(ban)(ban)及鋼(gang)(gang)(gang)(gang)帶(dai)(dai)的(de)(de)尺寸、外形應(ying)采(cai)(cai)用合適的(de)(de)測量(liang)(liang)(liang)工(gong)具測量(liang)(liang)(liang)。8.3 拉(la)伸試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)應(ying)按(an)(an)照 GB/T 228.1 的(de)(de)方(fang)(fang)法(fa) B。為(wei)了改善測量(liang)(liang)(liang)結果的(de)(de)再現性，采(cai)(cai)用橫梁位(wei)移控制(zhi)方(fang)(fang)法(fa)，測屈服強度速率為(wei) 5%Lc/分(fen)鐘測抗(kang)拉(la)強度速率為(wei) 40％Lc/分(fen)鐘(Lc 為(wei)試(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)的(de)(de)平行(xing)長度)。8.4 鋼(gang)(gang)(gang)(gang)板(ban)(ban)及鋼(gang)(gang)(gang)(gang)帶(dai)(dai)應(ying)按(an)(an)批(pi)驗(yan)(yan)(yan)收(shou)，每個檢(jian)驗(yan)(yan)(yan)批(pi)應(ying)由不大(da)于(yu)(yu) 30 噸(dun)的(de)(de)同牌號、同規(gui)格、同加工(gong)狀態的(de)(de)鋼(gang)(gang)(gang)(gang)板(ban)(ban)及鋼(gang)(gang)(gang)(gang)帶(dai)(dai)組成。對于(yu)(yu)重(zhong)量(liang)(liang)(liang)大(da)于(yu)(yu) 30 噸(dun)的(de)(de)鋼(gang)(gang)(gang)(gang)帶(dai)(dai)，每個鋼(gang)(gang)(gang)(gang)卷組成一個檢(jian)驗(yan)(yan)(yan)批(pi)。8.5 每批(pi)鋼(gang)(gang)(gang)(gang)板(ban)(ban)及鋼(gang)(gang)(gang)(gang)帶(dai)(dai)的(de)(de)檢(jian)驗(yan)(yan)(yan)項目、試(shi)(shi)(shi)(shi)(shi)樣(yang)(yang)數(shu)量(liang)(liang)(liang)、取樣(yang)(yang)方(fang)(fang)法(fa)、試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)方(fang)(fang)法(fa)應(ying)符(fu)合表(biao)8 的(de)(de)規(gui)定(ding)。8.6 供方(fang)(fang)可采(cai)(cai)用不同的(de)(de)檢(jian)驗(yan)(yan)(yan)和(he)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)方(fang)(fang)法(fa)進(jin)行(xing)驗(yan)(yan)(yan)收(shou)測試(shi)(shi)(shi)(shi)(shi)。發生(sheng)爭議時(shi)，應(ying)采(cai)(cai)用本標準規(gui)定(ding)的(de)(de)檢(jian)驗(yan)(yan)(yan)和(he)試(shi)(shi)(shi)(shi)(shi)驗(yan)(yan)(yan)方(fang)(fang)法(fa)及相(xiang)關的(de)(de)技術要求進(jin)行(xing)測試(shi)(shi)(shi)(shi)(shi)。