-Provide our own brand products and O.E.M service.
-Be strict with every manufacturing process
-Produce with the best quality material.
-Endless pursuit for making better products
-Be the best backup for our partners.

Grader Cutting Edge
Grader Cutting Edge
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Introduction:

Provide high carbon steel or boron steel materials with heat treatment.  
Provide OEM production 
Provide customized services
 

Grader arc cutting edge specifications: 

      16*152   16*203
      19*152    19*203  
      25*203    25*254 
 

Technical information:

 30MnB boron steel
 Chemical composition chart of 30Mn boron steel 


Elements   Min. Value   Max. Value  
C   0.27   0.340  
Si   0.15   0.300  
Mn   1.10   1.400  
P       0.030  
S       0.030  
Cr   0.30   0.500  
Cu       0.030  
Ni       0.025  
B   0.0005   0.003  
Ti   0.03   0.050  
Mechanical Properties
Hardness (Heat Treatment) 46-52HRC
Tensile Strength 1630N/mm²
Extension Rate 8%
Impact Energy 25℃ 58J/c m²


80#碳钢
80#碳钢化学成分表

Elements   Min. Value   Max. Value  
C   0.78   0.85  
Si   0.15   0.35  
Mn   0.55   0.80  
P       0.03  
S       0.03  
Cr       0.30  
Cu       0.06  
Ni       0.02  
Mo       0.08  
Mechanical Properties
Hardness (Heat Treatment) 280-320HB
屈服强度 600Rn-N/mm²
Tensile Strength 1030Rm-N/mm²
Extension Rate 12%
Impact Energy 25℃ 6J

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