High Carbon Material--Racing Rotors 370mm x 32mm
Date【2016-08-17 08:43】 Reading :【】次

High Carbon Material--Racing Rotors 370mm x 32mm

OEM : High Carbon MaterialALEX : Racing Rotors 370mm x 32mm

High Carbon Material--Racing Rotors 370mm x 32mm

               


 High Carbon Material---Racing Rotors
 
  
High Carbon Material---Racing Rotors
一. 抗拉强度   ≥ 207N/mm2     (Tensile  strength ≥207N/mm2)
从刹车盘刹面上切取试样进行试验,抗拉强度不小于207N/mm2..  
Testing the sample cut from the brake surface to assure the standard.                                                     
二.  硬 度● 160-210 HBS       (Hardness●    HBS 160-210)
    每件测定三点硬度值,三点硬度平均值符合标准,最大与最小不超过20HB.
Average  hardness  of three  different  testing points  on  one  part should  meet  the  standard, meanwhile  the  differences  between  the three  points  should  not  be  up  to  20HB.
三. 金 相 显 微 组 织         (Metallurgical  microstructure)
1.  基体组织: 珠光体含量不小于90%,碳化物不大于1%;
Matrix: Pearlite  should  be more than 90% with carbide less than 1%;
2.  石墨形态:  A+B型石墨大于85% ,   B型不大于40% ,   C型不大于5% ,
                 D+E型不大于10% ;
      Graphite :  type  A+B>85% ,   B≤40% ,   C≤5% ,   D+E≤10% ;
3.  石墨长度:           3-5级
Graphite  size:    grade 3-5
四. 化 学 成 分                         (Chemical  Composition)
C:3.6-3.9;   Si:1.6-2.3;   Mn:0.4-0.8; S:≤0.1; P:≤0.12;
Cu:0.15-0.6; Cr:0.1-0.25;  Mo:≤0.2;  Ni:≤0.1;Sn:≤0.1;
V:≤0.1      Ti:≤0.03
在保证抗拉强度、硬度及金相组织的情况下,  C、Si、Mn三大元素可以适当变化.
Adjustment of C、Si、Mn is allowed if tensile strength, hardness and  microstructure  meet the requirements.  
 
 
Ø  A  TH  H  B  C
           
 OEM#          
  Aimco#          
  DBA#          
 TRW#          

 

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