440C涓嶉姽閶煎叿鏈夐暦鏈熸寔涔呯殑淇濊(h霉)鍩洪珨鏉愭枡琛ㄩ潰鐨勮€愯厫铦曟€ц兘銆傚畠涓嶉渶瑕侀澶栫殑绯荤当(t菕ng)锛屼互淇濊(h霉)鍩洪珨閲戝爆锛岄噾灞湰韬渻鎸佺簩(x霉)涓嬪幓銆備笉閵归嫾鐢�(ch菐n)鍝佸畬鎴愬叾浣跨敤澹藉懡銆傜敱浜庡師鏂欐槸 鍙洖鏀剁殑锛屾湁闂�(gu膩n)娉ㄨ檿鐞�銆備簨瀵︿笂锛岃秴閬�50%鏂颁笉閵归嫾渚嗚嚜閲嶆柊鍥炵垚鐨勪笉閵归嫾寤㈡枡锛屽緸鑰屽畬鎴愪簡鍏ㄧ敓鍛藉懆鏈熻鍐嶆浣跨敤銆傛墍浠ワ紝涓嶉姽閶兼槸鍦ㄩ爡鐩敓鍛藉懆鏈熶腑锛屽線寰€鏄湁鍍瑰€肩殑閬告搰銆�
鍖栧(xu茅)鎴愬垎
纰� C 锛�0.95锝�1.20
纭� Si锛� 鈮�1.00
閷� Mn锛� 鈮�1.00
纭� S 锛� 鈮�0.030
纾� P 锛� 鈮�0.035
閴� Cr锛�16.00锝�18.00
閹� Ni锛氬厑瑷卞惈鏈夆墹0.60
鍔涘(xu茅)鎬ц兘
纭害锛氶€€鐏�,鈮�269HB;
娣伀鍥炵伀,鈮�58HRC
姗�(j墨)姊版€ц兘锛�
鍏�(n猫i)鎳�(y墨ng)鍔�(250 N/mm2)
鎶楁媺寮�(qi谩ng)搴�(560 N/mm2)
EL(18 %) HB(250锛�
鐔辫檿鐞嗗伐钘�
1)閫€鐏�,800锝�920鈩冪珐鍐�;
2)娣伀,1010锝�1070鈩冩补鍐�;
3)鍥炵伀,100锝�180鈩冨揩鍐�銆�
閬╃敤鑼冨湇
涓昏鐢ㄤ簬鍒堕€犲湪鑵愯潟鐠�(hu谩n)澧冨拰鐒℃饯婊戝挤(qi谩ng)姘у寲姘ｆ皼涓伐浣滅殑杌告壙闆朵欢銆�440C鍏锋湁杓冨ソ鐨勯珮婧昂瀵告韩搴︽€э紝鎵€浠ヤ篃鍙互浣滅偤鑰愯厫铦曢珮婧桓鎵块嫾浣跨敤銆傚彟澶栵紝閭勫彲浠ョ敤渚嗗埗閫犻珮璩�(zh矛)閲忕殑鍒€鍏�锛屽閱�(y墨)鐢ㄦ墜琛�(sh霉)鍒€锛屽壀鍒€锛屽櫞鍢�銆佽桓鎵跨瓑銆�440F:鏄彁楂�440C閶肩殑鏄撳垏鎬ц兘鐨勯嫾绋�锛岀敤浜庤嚜鍕曡粖搴�銆佹櫘閫氬悎閲戦嫾涓€妯ｅ叿鏈夐€氶亷娣伀瀵︾従(xi脿n)纭寲鐨勭壒鎬э紝鍥犳鍙€氶亷閬告搰鐗岃櫉鍙婄啽铏曠悊姊濅欢渚嗗緱鍒拌純澶ц寖鍦嶇殑涓嶅悓鐨勫姏瀛�(xu茅)鎬ц兘銆� 440C鎵垮彈鍕曡級鑽风殑鑳藉姏杓冧綆銆�
浜よ波鐙€鎱�(t脿i)
涓€鑸互鐔辫檿鐞嗙媭鎱�(t脿i)浜よ波锛屽叾鐔辫檿鐞嗙ó椤炲湪鍚堝悓涓敞鏄�锛涙湭娉ㄦ槑鑰�锛屾寜涓嶇啽铏曠悊鐙€鎱�(t脿i)浜よ波
鐗� 鎬�
440C锛氶珮寮�(qi谩ng)搴﹀垉鍏烽嫾锛屽惈纰崇◢楂橈紝缍�(j墨ng)閬庨仼鐣�(d膩ng)?sh霉)鑷掑唇骞氱牀缃傛ⅱ鍨寰楄純楂樺眻鏈嶅挤(qi谩ng)搴�锛岀‖搴﹀彲浠ラ仈(d谩)鍒�58HRC锛屽爆浜庣‖鐨勪笉閵归嫾涔嬪垪銆傚父瑕嬬殑鎳�(y墨ng)鐢ㄤ緥瀛愬氨鏄€滃墐闋堝垁鐗団€�銆傚父鐢ㄥ瀷铏熸湁 涓夌ó锛�440A銆�440B銆�440C锛屽彟澶栭倓鏈�440F锛堟槗鍔犲伐鍨嬶級銆�
纭害锛氶€€鐏�,鈮�269HB;
娣伀鍥炵伀,鈮�58HRC
姗�(j墨)姊版€ц兘锛�
鍏�(n猫i)鎳�(y墨ng)鍔�(250 N/mm2)
鎶楁媺寮�(qi谩ng)搴�(560 N/mm2)
EL(18 %) HB(250锛�
1)閫€鐏�,800锝�920鈩冪珐鍐�;
2)娣伀,1010锝�1070鈩冩补鍐�;
3)鍥炵伀,100锝�180鈩冨揩鍐枫€�
