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1. it is made of by sintering tungsten carbide scrap and elastic matrix alloy,Outer layer of the special flux and coloring is marking scrap grade,the composition of sintering tungsten carbide scrap is mainly CO and WC,The hardness is HRA 89~91,tire body matal is Ni and copper alloy,strength can up to 690MPa, hardness HB≥160.
2.Common particle sizes :1/16" x 1/8" (1.6 x 3.2 mm) , 3/16" x 1/8" (3.2 x 4.8 mm) , 1/4" x 3/16" (4.8 x 6.4 mm) , 5/16" x 1/4" (6.4 x 7.9mm) , 3/8" x 5/16" (7.9 x 9.5 mm), 1/2" x 3/8" (9.5 x 12.7 mm).
3. same specifications from same grade ,no any welding copper .
we also can product tungsten carbide composite rod
1.length :280mm ,450mm
2. YG +CuSnZn or YG+CuSnZn+10% Ni
3.WC grit compositions : 70% ,60%,50%
| grade | particle sizes(mm) | Length of welding rod |
| YD-9.5 | 8.2~9.5 | 280 or 450mm |
| YD-8 | 6.4~8.2 | 280 or 450mm |
| YD-6.5 | 4.8~6.4 | 280 or 450mm |
| YD-5 | 3.2~4.8 | 280 or 450mm |
| YD-3 | 1.6~3.2 | 280 or 450mm |
| YD-10mesh | 10~18mesh | 280 or 450mm |
| YD-18mesh | 18~30mesh | 280 or 450mm |
| YD-30mesh | 30~50mesh | 280 or 450mm |
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