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washer

Washer is a variety of pad shapes, carbon steel is easy to process and manufacture. It can undergo heat treatment and surface treatment to optimize your products. The most commonly used steel types are S50C and 1065.
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Carbon Steel   Chemical  Conposion(%)              
JIS SAE C Si Mn P S Cu Ni Cr
  SAE1020 0.18 ~ 0.23   0.30 ~ 0.60 ≦0.030 ≦0.050      
S20C   0.18 ~ 0.23 0.15 ~ 0.35 0.30 ~ 0.60 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
S35C   0.32 ~ 0.38 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
S45C   0.42 ~ 0.48 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
S50C   0.47 ~ 0.53 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
S55C   0.52 ~ 0.58 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
  SAE1060 0.55 ~ 0.65   0.60 ~ 0.90 ≦0.030 ≦0.035      
  SAE1065 0.60 ~ 0.70   0.60 ~ 0.90 ≦0.030 ≦0.035      
S65C   0.60 ~ 0.70 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
S70C   0.65 ~ 0.75 0.15 ~ 0.35 0.60 ~ 0.90 ≦0.030 ≦0.035 ≦0.30 ≦0.20 ≦0.20
  SAE1074 0.70 ~ 0.80   0.50 ~ 0.80 ≦0.030 ≦0.035      
  SAE1075 0.70 ~ 0.80   0.40 ~ 0.70 ≦0.030 ≦0.035      
Carbon Steel   Hardness Hardness Tensile Strength(N/mm²)
JIS SAE HV HRC  
  SAE1020      
S20C        
S35C        
S45C        
S50C   140 ~ 180   455 ~ 580
S55C   140 ~ 180   455 ~ 580
  SAE1060 140 ~ 180   455 ~ 580
  SAE1065 140 ~ 180   455 ~ 580
S65C   140 ~ 180   455 ~ 580
S70C        
  SAE1074      
  SAE1075      


 

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