42CrMo seamless kila paipu no ka ultra-kiʻekiʻe ikaika kila, me ka kiʻekiʻe ikaika a me ka paʻakikī, maikai hardenability,ʻaʻohe ikea tempering brittleness, kiʻekiʻe luhi palena a me ka nui hopena kū'ē ma hope o quenching a me ka tempering, a me ka maikaʻi haʻahaʻa-mehana hopena toughnes ...
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