GBT 20564.2-2006 汽车用高强度冷连轧钢板及钢带 第2部分：双相钢

1GB/T20564.220062006-11-012007-02-01GB/T20564712341516171GB/T205642AB:Dualphrasesteel1()0.60mm2.5mm2()GB/T223.5GB/T223.9SGB/T223.10-SGB/T223.12-GB/T223.26GB/T223.58-GB/T223.59GB/T223.60GB/T223.63()GB/T223.64GB/T223.78GB/T228(GB/T2282002eqvISO68921998)GB/T247GB/T708GB/T2523()GB/T2975(GB/T29751998eqvISO3771997)GB/T4336()GB/T5028(n)(GB/T50281999eqvISO102751993)GB/T8170GB/T17505(GB/T175051998eqvISO4041992)GB/T20066ASTMEl019333.1dualphasesteel44.1ColdRolledCRDualPhaseDPCR340/590DPCRColdRolled340/590----340590MPaDP----DualPhase4.214.3255.1a)()b)c)d)e)f)g)h)i)j)5.2()A7.27.37.3.17.3.267.432BH7.57.67.6.17.6.247.6.36%57.7Ra0.6m1.9mRa0.9m88.18.28.358.430t30t8.5GB/T175059GB/T24710GB/T817011B()()A.17B()B.11)