Carbide Preforms

Carbide preforms are a type of semi-finished product used in various industrial applications, particularly in the manufacturing of cutting tools and wear-resistant components. 
Carbide preforms are valued for their excellent mechanical properties, including high hardness, toughness, and resistance to wear and heat, making them indispensable in many demanding engineering applications.
Diameter Tolerance:    
OD(mm) Basic allowance(mm) Sintering Tol.(mm)
> φ5-φ14 0.8 ±0.2
> φ14.1-φ25 1 ±0.3
> >φ25.1φ48 1.2 ±0.4
>>φ48.1 1.6 ±0.5
Center and Exit hole tolerance:    
Hole dia (mm Tolerance (mm)  
>φ0.8一φ1.5 ±0.1  
>φ1.6一φ3.0 ±0.2  
>φ3.1一φ8.0 土 0.3  

Length & Concentricity:
Basic allowance(mm) Sintering Tol. (mm) Concentricity
+(0.4+0.5%L) ±0.5%L <=0.3
For example, if L=100mm, then it's basic allowance is +0.4+0.5%*100=0.9mm Sintering tolerance is ±0.5%*100= 100.9±0.5mm.

Keyword: Carbide Preforms, tungsten carbide preforms, tungsten carbide tools, tungsten carbide plate, tungsten carbide roller, carbide tools, carbide blanks, carbide mold

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