DAIDO Datong Steel PDS3 chemical composition% 

 C 
 SiMn 
 Cr 
 Ni 

 0.40-0.50 
 ≦ 0.35 
 ≦ 1.0 
 0.2-0.4 
 1.0-1.5 




 DAIDO Datong Steel PDS3 main features: 

 (1) vacuum degassing, forged, quenched and tempered to HRC28 ~ 33 cross-section hardness organization uniform, after deformation processing. 

 (2) After grinding, excellent surface gloss. 

 (3) the eclipse spend a good long life. 



 DAIDO Datong Steel the PDS3 the main purposes: 

 (1) large home appliances, toys, communication, electronics, sports equipment and other plastic products mold steel. 

 (2) for the mass production of plastic mold steel. Benxi Iron and Taiwan and Japan, the largest amount of special plastic mold steel. 





 DAIDO Datong Steel PDS3 physical properties: 

 Coefficient of thermal expansion 

 10-6 m / (mxk) 
 20-100 ℃ 
 20-200 ℃ 
 20-300 ℃ 
 20-500 ℃ 

 11.4 
 12.0 
 12.5 
 --- 

 Thermal conductivity 

 Cal / cm.sec,. ℃ 
 20 ℃ 
 100 ℃ 
 200 ℃ 
 300 ℃ 

 0.114 
 0.108 
 0.104 
 0.099 





 DAIDO Datong Steel PDS3 mechanical properties: 

 Hardness 

 HS 
 Yield strength kgf / m ㎡ 
 Tensile strength 

 kgf / m, m 
 Elongation 

 % 
 Cross-section reduction rate 

 % 
 Longitudinal impact value 

 Kgf.m / C, m 

 40HS 
 76 (0.2%) 
 91 
 23 
 50 
 4-7 


 ※ impact test mining JIS specimen.