《SUS304不锈钢大压下率冷轧生产_罗劲松》.pdf

·20 · 　　　 2010 5 SUS304 罗劲松,郑　涛,袁意林,刘亚军 (宁波宝新不锈钢有限公司, 浙江宁波 315 807 ) :SUS304 , , , 、。, SUS304 。 ( ) , , 。 SUS304 8 I、 ±3 μm, 。 :SUS304;;; do:i10.3969/.jissn.167 2-9587.20 10.05.004 PracticeofheayreductionratecoldrollingofSUS304 LUOJinsong, ZHENGTao, YUANYilin, LIUYajun (NingboBaoxinStainlessSteelCo., Ltd., Ningbo315807, Zhejiang, China) Abstrac:tSUS304 stainlesssteelistypicalofausteniticstainlessstee,lwhichhasametastableaustenite structure.Thereforeproblem,ssuchasworkhardening, stripshapecontroldifficultyandstripbreak, tend tooccurduringtheprocessofcoldrolling.Basedonthecomparisonofthereductionandshapecontrol capabilitiesamongdifferentspecialrollingmillsforstainlessstee,lSendzimirmillisselectedasthe specialheayreductionrollingmillforSUS304.Thispaperanalyzestheeffectoftheabnormityinraw materialthermalcrown(abnormityintransersedistributionofstripthickness)andthefluctuationof rollingforceonstripshapecontro.lCorrespondingsolutionsareproposedandputintopractice.Results showthattheaccuracyofstripshapeiswithin8 Iandthethicknessdeiationiswithin±3 μm, which haenoobiousdifferencewiththoseundernormalreductionrate. Keywords:SUS304;heayreductionrate;rollingmillselection;stripshapecontrol 0　 80%～90%, SUS304 ( ,, , 1), 。 , , , 。 SUS304 , , (80%～90%), 。 。 SUS304 、、、 SUS304 60% ～70%, 。 。 1　SUS304 % w w w w w w w w C Si Mn P S N Ni Cr ≤0.06 ≤0.75 ≤2.00 ≤ 0.030 ≤ 0.005 ≤0.0