Zhuzhou Chaoyu Industrial Co.,Ltd
ZHUZHOU CHAOYU INDUSTRIAL CO.,LTD
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API Standard V11 Series Tungsten Carbide Valve Balls and Seats
Advantanges of our tungsten carbide spheres
1. stable property: tungsten carbide material outperform steel spheres in terms of hardness,stablity and impact strength.
2. High precision: we supply a wide range of tolerance request from G5 to G50.
3. Various grades and specifications:please find the grade table and specification table as below.
Specs of Tungsten Carbide valve balls and seats
| API code | V11-106 | V11-125 | V11-150 | V11-175 | V11-200 | V11-225 | V11-250 | V11-375 |
| SD+/-0.025 | 0.625'' (15.88mm) | 0.750'' (19.05mm) | 0.938'' (23.83mm) | 1.125'' (28.58mm) | 1.250'' (31.75mm) | 1.375'' (34.93mm) | 1.688'' (42.88mm) | 2.250'' (57.15mm) |
| h+0.50/+0.25 | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.500'' (12.7mm) | 0.750'' (19.05mm) |
| D+0/-0.13 | 0.793'' (20.14mm) | 0.918'' (23.32mm) | 1.168'' (29.67mm) | 1.388'' (36.26mm) | 1.478'' (37.54mm) | 1.720'' (43.69mm) | 2.010'' (51.05mm) | 3.072'' (78.03mm) |
| d+/-1.27 | 0.460'' (11.68mm) | 0.550'' (13.97mm) | 0.670'' (17.02mm) | 0.825'' (20.96mm) | 0.960'' (24.38mm) | 1.060'' (26.92mm) | 1.310'' (33.27mm) | 1.700'' (43.18mm) |
Quality grade of tungsten carbide spheres
we offer a wide range of tungsten carbide spheres for you to choose,the main quality grade is K10(YG6X),K20(YG6),K30(YG8).
| Grade | ISO grade | Grain size (um) | Binder | density (g/cm³) | Hardness (HRA) | T.R.S (N/m㎡) |
| YG6X(C3) | K10 | 1.2 | 6 | ≥15.00 | ≥91.0 | ≥1880 |
| YG6(C1) | K20 | 1.5 | 6 | ≥14.90 | ≥90.0 | ≥1580 |
| YG8(C2) | K30 | 1.5 | 8 | ≥14.80 | ≥89.5 | ≥2020 |
Application of tungsten carbide spheres
Tungsten carbide spheres are mainly used for bearings,valves,flow meters,ball screws,gauging and ball pens,etc
Package and Delivery of tungsten carbide spheres:
Production process of tungsten carbide spheres
Advantages of our service:
1.Sales staff beyond 5 years' in this field with good understanding and fluent english.
2.Prompt reply within 24 hours with experienced suggestions.
3.Samples below 20 usd are all free in the occasion with your shipping cost.
Customized size carbide spheres are available too,your inquiry will be more than welcome,work with us!