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                ǰλ:  >> ȫaƷ >> 
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                40CrNiMoA-40CrNiMoϺF؛
               
            
              
            
            
            
              
            
              
            
              
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                                        40CrNiMoA-40CrNiMoϺF؛
                                    
                                
                            
              
                                      
                    
              
                
              
                
              
                    
              
                        
              
                            
                                40CrNiMoA-40CrNiMoϺF؛
                            
                                rh 
                                    Ԫ()
                            
                                aأM
                        
              
                        
              
                            
                                ӆ1
                            
                                l؛أϺɽ^
                        
              
                        
              
                            
                                ϼܕrg2017-07-10 08:30:44
                            
                                g[48
                        
              
                        
              
                            
                                
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	40CrNiMoA-40CrNiMoϺF؛

              

              
	
              

              

              
	ԔϢ: 

              

              
	ϽY䓣40CrNiMo
              
˜ʣGB/T 3077-1988
              
Wɷݣ
              
̼ C 0.370.44
              
 Si0.170.37
              
i Mn0.500.80
              
 S Sຬ0.025
              
 P Sຬ0.025
              
t Cr0.600.90
              
 Ni1.251.65
              
~ CuSຬ0.025
              
f Mo0.150.25
              
Wܣ
              
 b (MPa)980(100)
              
 s (MPa)835(85)
              
L 5 ()12
              
տs  ()55
              
_ Akv (J)78
              
_gֵ kv (J/cm2)98(10)
              
Ӳ 269HB
              
ԇӳߴ磺ԇëߴ25mm
              
̎ҎM
              
̎Ҏ850,;ػ600,ˮ䡣
              
؛Bԟ̎˻ߜػػ𣩻򲻟̎B؛؛Bںͬע

              

              
	
              

              

              
	
              

              

              
	
              

              

              
	 

              

              
	
              

              
                                              		
                            
              
                                      
                    
              
                
              
                
              
                    
              
                        
                            
              
                                
                                    
              
                                        
              
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