20CrNi3H_材料
摘要:20crni3h化學成分:碳c:0.17~0.23硅si:0.17~0.37錳錳:0.30~0.65硫s:允許殘留量≤0.030磷P:允許殘留量≤0.030鉻:0.60~0.95鎳-鎳:2.70~3.25銅-銅:允許殘留量≤0.02520crni3h機械性能:20crni3h硬度:退火或高溫回火,≤241hb材料,壓痕直徑≥3.9mm20crni3ha,保證淬透性結構鋼,以軋制或鍛造...
20crni3h化學成分:
碳c:0.17~0.23硅si:0.17~0.37
錳錳:0.30~0.65硫s:允許殘留量≤0.030
磷P:允許殘留量≤0.030鉻:0.60~0.95
鎳-鎳:2.70~3.25銅-銅:允許殘留量≤0.025
20crni3h機械性能:20crni3h硬度:退火或高溫回火,≤241hb材料,壓痕直徑≥3.9mm
20crni3ha,保證淬透性結構鋼,以軋制或鍛造狀態交付。


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