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抗拉强度N/mm.HBHRC HV(F)49N)抗拉强度N/mmZHBHRC HV(F》49N)246 252 257 263 269 2T5 282 288 2922982324一26一2829一3032一3334一3536一37 3839构42439几J‘.1︸口nJ,1 110月比O甘几6a”年J月﹃︸3︵U ..‘,自,自3几J‘吸一J︸a la八I)甲.n几0‘.且3介J OJ几03几0 3 qo几0
Tensile strength N / mmHBHRC HV (F) 49N) Tensile strength N / mmHHBHRC HV (F “49N) 246 252 257 263 269 2T5 282 288 2922982324 A 26 A 2829 A 3032 A 3334 A 3536 A 37 3839 Structure 42439 A few J’.1 mouth nJ, 1 110 months than the number of O Gan a few years ”J month﹃ 3 (U .. ’ 0 ’. And 3 mediated J OJ several 03 several 0 3 qo a few 0