20% Cobalt Binder Medium Grain Size Tungsten Carbide Heading Dies for Steel Balls Industry
Grade information: YG20 with 20% cobalt binder,WC grain size of medium 20~3 um, density with 13.5 g/cm³, hardness of HRA 85.5, strength of 3200 N/mm², mainly applied for fabricating of stamping dies for watch parts, spring plates of musical instruments, battery jars, small sized steel balls, screws, screw caps.
We Seego Carbide are engaged in offering a wide range of Tungsten Carbide Heading Die that are manufactured using optimum quality raw material and advanced technology in accordance with the industry standards. Our offered dies are also tested on various quality parameters to ensure their flawlessness. These dies are highly used in various steel ball industries.
Features:
High friction resistant
Good Durability
Reliability
Tungsten Carbide Heading Dies are made to close tolerances as per customer drawings to give longer life.
here shows our carbide heading dies blank tolerance standards.
Tolerances of the inner diameter(d) of the blanks as per table below (mm) | Tolerance of blank height(H) as per the table below (mm) | ||||||||
Nominal inner dia. | Nominal length | Nominal out | Nominal diameters | ||||||
≤18 | >18-30 | >30-50 | >50 | diameters | ≤18 | >18-30 | >30-50 | >50 | |
≤6 | 0-0.45 | 0-0.55 | 0-0.65 | - | ≤14 | 0.5 | 0.5 | 0.6 | 0.65 |
>6-10 | 0-0.50 | 0-0.60 | 0-0.70 | 0-0.80 | -0.4 | -0.4 | -0.4 | -0.4 | |
>10-14 | 0-0.55 | 0-0.70 | 0-0.80 | 0-0.90 | >14-18 | 0.55 | 0.55 | 0.6 | 0.65 |
>14-18 | 0-0.60 | 0-0.80 | 0-0.90 | 0-1.00 | -0.4 | -0.4 | -0.45 | -0.45 | |
>18-24 | 0-0.65 | 0-0.90 | 0-1.00 | 0-1.10 | >18-24 | 0.6 | 0.6 | 0.65 | 0.7 |
>24 | 0-0.70 | 0-1.00 | 0-1.10 | 0-1.20 | -0.4 | -0.4 | -0.45 | -0.45 | |
Tolerances of out diameters(D) as per the table below (mm) | >24-30 | 0.65 | 0.65 | 0.7 | 0.75 | ||||
Nominal out | Nominal length | -0.45 | -0.45 | -0.5 | -0.5 | ||||
diameters | ≤18 | >18-30 | >30-50 | >50 | >30-45 | 0.7 | 0.7 | 0.75 | 0.8 |
≤14 | 0.5 | 0.5 | 0.6 | 0.65 | -0.5 | -0.5 | -0.6 | -0.6 | |
-0.4 | -0.4 | -0.4 | -0.4 | >44-55 | 0.75 | 0.8 | 0.85 | 0.8 | |
>14-18 | 0.55 | 0.55 | 0.6 | 0.65 | -0.55 | -0.6 | -0.65 | -0.65 | |
-0.4 | -0.4 | -0.45 | -0.45 | >55 | - | 0.9 | 0.95 | 1 | |
>18-24 | 0.6 | 0.6 | 0.65 | 0.7 | -0.7 | -0.75 | -0.8 | ||
-0.4 | -0.4 | -0.45 | -0.45 | The flatness as per the table below | |||||
>24-30 | 0.65 | 0.65 | 0.7 | 0.75 | Nominal length | ≤18 | >18-30 | >30-50 | >50 |
-0.45 | -0.45 | -0.5 | -0.5 | Flatness ≤ | 0.3 | 0.35 | 0.4 | 0.55 | |
>30-45 | 0.7 | 0.7 | 0.75 | 0.8 | |||||
-0.5 | -0.5 | -0.6 | -0.6 | ||||||
>44-55 | 0.75 | 0.8 | 0.85 | 0.8 | |||||
-0.55 | -0.6 | -0.65 | -0.65 | ||||||
>55 | - | 0.9 | 0.95 | 1 | |||||
-0.7 | -0.75 | -0.8 |