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化学成分和机械特性width =“ 30” valign =“中心” rowspan =“ 2”> 等级 机械性perferceece c msonormal'> mn s ni monsormoral“> ni mo 201 verdana; verdana;“> futd ≤1.00 ≤0.060 16.0/18.0 - HB≤241,HRB≤100, HV≤240 304 ≤1.00.00 class =“ msonormal”> ≤2.00 ≤0.03 18.00/20.00 “ msonortal”> - 316> 316 ≤2.00 ≤0.0.0.03 10.00/14.00 16.0/18.0/18.0/18.0 hb≤187，hrb≤90hv≤200 ≤0.0.0.03.03 class =“ msonormal”> ≤1.00 ≤0.045 10.00/14.00 2.00/3.00/3.00 410 ≤1.00 class =“ msonoral”> ≤1.25 ≤0.030 Surface Finish Grade Series 厚度（mm） width（mm） valign =“中心” colspan =“ 6”> main＆nbsp; Dimension 20-850 1000 1219 1240 1500 No.1/2e width="96" valign="center" rowspan="2"> 2.2-12.0 No.4 / Hairline 201/304 0.22-3.0> 0.22-3.0 √ √ ＆nbsp; sb 0.25-2.0 g√/span>√ √ √ BA 201/304 0.2---1.8 √ “ msonormal”> width =“ 36” valign =“ center”> √ ＆nbs＆nbs ＆nbsp; 410> 410> 410s/430> 430 0.25-2.0 g√/span>√ √ ＆nbsp; ＆nbsp; g√/span>√/span>√/span> √ √ ＆nbsp; valign =“中心”> ＆nbsp; width =“ 151” valign =“中心”> < align =“中心” class =“ msonormal”> si valign="center"> verdana;“>≤0.08 hb≤187，hrb≤90，hv≤200 class =“ msonoral”> ≤0.08 verdana;“>≤0.045 class =“ msonormal”> 2.00/3.00 ≤0.03 16.0/18.0 ≤0.15 class =“ msonormal”> 1250 rowspan =“ 2”> √ √ 镜像/亚麻 410S/430 √ verdana;“>√ class =“ msonormal”> 2BA