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    1銆�45铏�(h脿o)閶�

    GB/T699-1999妯�(bi膩o)婧�(zh菙n)瑕�(gu墨)瀹�45閶兼姉鎷夊挤(qi谩ng)搴︾偤600MPa锛屽眻鏈嶅挤(qi谩ng)搴︾偤355MPa锛屼几闀�(zh菐ng)鐜囩偤16%锛屾柗闈㈡敹绺巼鐐�40%锛屾矕鎿婂姛鐐�39J 銆�

    45閶兼槸杌搁闆朵欢鐨勫父鐢ㄦ潗鏂�锛屽畠鍍�(ji脿)鏍间究瀹滅稉(j墨ng)閬�(gu貌)瑾�(di脿o)璩�(zh矛)锛堟垨姝g伀锛夊悗锛屽彲寰楀埌杓冨ソ鐨勫垏鍓婃€ц兘锛岃€屼笖鑳界嵅寰楄純楂樼殑寮�(qi谩ng)搴﹀拰闊屾€х瓑缍滃悎姗�(j墨)姊版€ц兘锛屾番鐏悗琛ㄩ潰纭害鍙仈(d谩)45锝�52HRC銆� 40Cr绛夊悎閲戠祼(ji茅)妲�(g貌u)閶奸仼鐢ㄤ簬涓瓑绮惧害鑰岃綁(zhu菐n)閫熻純楂樼殑杌搁闆朵欢锛岄€欓閶肩稉(j墨ng)瑾�(di脿o)璩�(zh矛)鍜屾番鐏悗锛屽叿鏈夎純濂界殑缍滃悎姗�(j墨)姊版€ц兘銆�

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    2銆�40Cr

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    40Cr鏄垜鍦�(gu贸)GB鐨勬(bi膩o)婧�(zh菙n)閶艰櫉(h脿o)锛�40Cr閶兼槸姗�(j墨)姊板埗閫犳キ(y猫)浣跨敤鏈€寤f硾鐨勯嫾涔嬩竴銆傝(di脿o)璩�(zh矛)铏曠悊鍚庡叿鏈夎壇濂界殑缍滃悎鍔涘(xu茅)鎬ц兘锛岃壇濂界殑浣庢韩娌栨搳闊屾€у拰浣庣殑缂哄彛鏁忔劅鎬�銆傞嫾鐨勬番閫忔€ц壇濂�锛屾按娣檪(sh铆)鍙番閫忓埌肖28锝�60mm,娌规番鏅�(sh铆)鍙番閫忓埌肖15锝�40mm銆傞€欑ó閶奸櫎瑾�(di脿o)璩�(zh矛)铏曠悊澶栭倓閬╀簬姘板寲鍜岄珮闋绘番鐏檿鐞�銆傚垏鍓婃€ц兘杓冨ソ锛岀暥(d膩ng)纭害鐐�HB174锝�229鏅�(sh铆)锛岀浉灏�(du矛)鍒囧墛鍔犲伐鎬х偤60%銆�

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