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Place of Origin : China
MOQ : 5
Price : $0.90-3.10
Material Composition : Tungsten carbide and cobalt
Alloy Specification : YG8, YG6, YG6X, YG9C, YG11C, YG13C
Surface Finish : Glossy
Shape : Cylindrical
Color : Black Alloy
Density : 14.75 g/cm³ (YG8)
Hardness : 90.0 HRA (YG8)
TRS : 3200 Mpa (YG8)
Porosity : A02/B00/C00
Grain Size : 1.2-1.6 μm (YG8)
Ball Diameter : Customized (5/8" to 2-1/4")
Seat Height : 12.7 mm
Seat OD : 20.14 to 78.03 mm
Seat ID : 11.68 to 45.47 mm
Radius : 1.6 to 3.5 mm



| Grade | Composition(% in weight) | | | | Physical Properties | | | | Grain size(μm) | ||||||
| | | | | | Densityg/cm³(±0.1) | HardnessHRA(±0.5) | TRS Mpa(min) | Porosity | | ||||||
| | WC | Ni | Ti | TaC | | | | A/B/C | | ||||||
| KD115/YG6X | 93.5 | 6.0 | - | 0.5 | 14.90 | 93.0 | 2700 | A02/B00/C00 | 0.6-0.8 | ||||||
| KD335/YG10X | 89.0 | 10.5 | - | 0.5 | 14.40 | 91.8 | 3800 | A02/B00/C00 | 0.6-0.8 | ||||||
| KG6/YG6 | 94.0 | 6.0 | - | - | 14.90 | 90.5 | 2500 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG8/YG8 | 92.0 | 8.0 | - | - | 14.75 | 90.0 | 3200 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG9/YG9 | 91.0 | 9.0 | - | - | 14.60 | 89.0 | 3200 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG9C/YG9C | 91.0 | 9.0 | - | - | 14.60 | 88.0 | 3200 | A02/B00/C00 | 1.6-2.4 | ||||||
| KG10/KG10 | 90.0 | 10.0 | - | - | 14.50 | 88.5 | 3200 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG11/YG11 | 89.0 | 11.0 | - | - | 14.35 | 89.0 | 3200 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG11C/YG11C | 89.0 | 11.0 | - | - | 14.40 | 87.5 | 3000 | A02/B00/C00 | 1.6-2.4 | ||||||
| KG13/YG13 | 87.0 | 13.0 | - | - | 14.20 | 88.7 | 3500 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG13C/YG13C | 87.0 | 13.0 | - | - | 14.20 | 87.0 | 3500 | A02/B00/C00 | 1.6-2.4 | ||||||
| KG15/YG15 | 85.0 | 15.0 | - | - | 14.10 | 87.5 | 3500 | A02/B00/C00 | 1.2-1.6 | ||||||
| KG15C/YG15C | 85.0 | 15.0 | - | - | 14.00 | 86.5 | 3500 | A02/B00/C00 | 1.6-2.4 | ||||||
| KD118/YG8X | 91.5 | 8.5 | - | - | 14.50 | 93.6 | 3800 | A02/B00/C00 | 0.4-0.6 | ||||||
| KD338/YG12X | 88.0 | 12.0 | - | - | 14.10 | 420092.8 | 2200 | A02/B00/C00 | 0.4-0.6 | ||||||
| KD25/P25 | 77.4 | 8.5 | 6.5 | 6.0 | 12.60 | 91.8 | 2200 | A02/B00/C00 | 1.0-1.6 | ||||||
| KD35/P35 | 69.2 | 10.5 | 5.2 | 13.8 | 12.70 | 91.1 | 2500 | A02/B00/C00 | 1.0-1.6 | ||||||
| KD10/M10 | 83.4 | 7.0 | 4.5 | 4.0 | 13.25 | 93.0 | 2000 | A02/B00/C00 | 0.8-1.2 | ||||||
| KD20/M20 | 79.0 | 8.0 | 7.4 | 3.8 | 12.33 | 92.1 | 2200 | A02/B00/C00 | 0.8-1.2 | ||||||
| API Type/Symbol | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
| Ball-D(mm) | 5/8" 15.88 | 3/4" 19.05 | 15/16" 23.83 | 1-1/8" 28.58 | 1-1/8" 28.58 | 1-3/8" 34.93 | 12/3" 42.88 | 2-1/4" 57.15 |
| Seat-H(mm) | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 | 12.7 |
| Seat-OD(mm) | 20.14 | 23.32 | 29.67 | 35.26 | 37.57 | 43.69 | 51.05 | 78.03 |
| Seat-ID(mm) | 11.68 | 13.97 | 17.02 | 20.96 | 24.38 | 26.92 | 33.27 | 45.47 |
| R | 1.6 | 1.6 | 2 | 2 | 2.4 | 2.4 | 2.4 | 3.5 |






A: Please provide us with specific material requirements, precise dimensions, and drawings that include tolerances and quantities for different models. This will allow us to provide you with a more accurate quote.
A: We have inspection processes from raw material production, to finished product grinding, to cleaning and packaging. Each process also has sampling inspection. If the product in the previous process is not qualified, it will never enter the second process. Ensure the quality of the finished product.
A: For products that are often in stock, they can be shipped directly. For customized products, the specific judgment is based on the difficulty level of product processing. Normally, non-standard products require 20-25 days for production.
A: We accept wire transfers, L/C, ALIPAY, WEST UNION, PAYPAL, 100% payment is required for standard products before shipment, 50% for non-standard products before production, and 50% before shipment.
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Customized Tungsten Carbide Ball Valve with Glossy Surface Finish Cylindrical Shape and Black Alloy YG8 Images |