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瑕�(gu墨)鏍� |
榻婂叏 |
鏉愯唱(zh矛) |
daido dh21 |
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鐢�(ch菐n)鍦�/寤犲 |
瀵堕嫾 |
|
dh21(skd61)鐔变綔妯″叿閶肩殑鍖栧(xu茅)鎴愬垎鍙婄敤閫旓細
dh21(jis:skd61) 鐗规€�:dh21鍦ㄦ姉鐔辩柌鍕為枊瑁傛€ф柟闈㈠叿鏈夌浉鐣�(d膩ng)濂界殑鏁堟灉锛屽彲淇濊瓑妯″叿鐨勮唱(zh矛)閲忥紝鎻愰珮妯″叿浣跨敤澹藉懡锛� 鐢ㄩ€�:鐗瑰垾閬╁悎鐢ㄤ簬闀峰＝鍛介媮澹撻憚妯�銆� dh21鎴愬垎锛歝锛�0.38% si:鈮�1.5% mn:鈮�1.5% cr:5.2% mo:2.0% v:1.0% dh21鍑哄粻鐙€鎱�(t脿i)锛氣墹229hb 娣‖婧害锛�1030~1070 鍐峰嵒鏂瑰紡锛氱┖鍐锋垨娌瑰喎 鍥炵伀婧害锛�400 500 600 650 纭害(hrc): 51 52 50 43 |
