SK4褰堢哀閶�
SK4褰堢哀閶�
SK4閶煎挤(qi谩ng)搴﹀強鑰愮（鎬у潎杓僒8鍜孴9楂�锛屼絾鐔辩‖鎬т綆銆佹番閫忔€т笉楂樹笖娣伀璁婂舰澶�銆係K4閬╀簬鍒堕€犲垏鍓婃浠跺樊銆佽€愮（鎬ц姹傝純楂�锛屼笖涓嶅彈绐佺劧鍜屽妵鐑堟尟鍕�锛岄渶瑕佷竴瀹氶煂鎬у強鍏锋湁閶掑埄鍒€鍙ｇ殑鍚勭ó宸ュ叿锛屽杌婂垁銆佸埁鍒€銆侀墕闋�銆佸垏绱欐(j墨)銆佷綆绮惧害鑰屽舰鐙€绨″柈鐨勯噺鍏�(濡傚崱鏉跨瓑)锛屽彲鐢ㄤ綔涓嶅彈杓冨ぇ娌栨搳鐨勮€愮（闆朵欢銆�
纰� C 锛�0.95锝�1.04
纭� Si锛氣墹0.35
閷� Mn锛氣墹0.40
纭� S 锛氣墹0.030
纾� P 锛氣墹0.035
閴� Cr锛氬厑瑷辨畼浣欏惈閲忊墹0.25銆佲墹0.10(鍒堕€犻墰娴存番鐏嫾绲叉檪)
閹� Ni锛氬厑瑷辨畼浣欏惈閲忊墹0.20銆佲墹0.12(鍒堕€犻墰娴存番鐏嫾绲叉檪)
閵� Cu锛氬厑瑷辨畼浣欏惈閲忊墹0.30銆佲墹0.20(鍒堕€犻墰娴存番鐏嫾绲叉檪)
娉細鍏佽ū娈樹綑鍚噺Cr+Ni+Cu鈮�0.40(鍒堕€犻墰娴存番鐏嫾绲叉檪)
纭害 锛氶€€鐏�,鈮�197HB,澹撶棔鐩村緫鈮�4.30mm;娣伀,鈮�62HRC
