深圳市福田區雄興泰鋼材經營部

1.德標C67S(CK67)彈簧鋼的化學成份:
c:0.67 si: 0.22 Mn:0.75 P<0.01 S<0.01 Cr: 0.23 Al: 0.03                                                              
2.淬火回火后的力學性能:
抗拉強度:1320-1770MPa
屈服強度:1275MPa
伸長率%:6                                                                                                     
面收縮率%:-
沖擊功J:-                                                                                                         
3.熱加工與熱處理:
退火溫度:650-690℃
淬火溫度:815-845℃(油)
回火溫度:300-500℃                                                                                                     
退火硬度≤HBW210.
   &n