SNCM420鍦撴
SNCM420锛�(婊茬⒊)杌告壙閶�
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SNCM420鍖栧鎴愪唤锛�
纰� C 锛�0.17锝�0.23(鍏佽ū鍋忓樊:卤0.02)
纭� Si锛�0.15锝�0.40(鍏佽ū鍋忓樊:卤0.03)
閷� Mn锛�0.40锝�0.70(鍏佽ū鍋忓樊:卤0.04)
纭� S 锛氣墹0.030(鍏佽ū鍋忓樊:+0.005)
纾� P 锛氣墹0.030(鍏佽ū鍋忓樊:+0.005)
閴� Cr锛�0.35锝�0.65(鍏佽ū鍋忓樊:卤0.15)
閹� Ni锛�1.60锝�2.00(鍏佽ū鍋忓樊:卤0.05)
閵� Cu锛氣墹0.30(鍏佽ū鍋忓樊锛氾紜0.05)
閴� Mo锛�0.20锝�0.30(鍏佽ū鍋忓樊:卤0.02)
SNCM420鍔涘鎬ц兘锛�
鎶楁媺寮峰害 蟽b (MPa)锛氣墺980(100)
浼搁暦鐜� 未5 (锛�)锛氣墺13
鏂烽潰鏀剁府鐜� 蠄 (锛�)锛氣墺45
娌栨搳闊屾€у€� 伪kv (J/cm2)锛氣墺78(8)
瑭︽ǎ灏哄锛氳│妯ｅ昂瀵哥偤25mm
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鐢�(ch菐n)鍝佹杩帮細
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