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Particle: normal
Alloy Specification: YG6 YG8 YG11 YG13
Brand Name: HONGZUAN
Application: various
Material: tungsten carbide
Model Number: various
Place of Origin: China (Mainland)

Specifications


Tungsten Carbide Ball and Seat API Standards

Tungsten carbide ball & seat, made from virgin raw materials, have high hardness, wear-resistance, corrosion resistance, and resistance to bending. We are able to supply Carbide Balls in various desired material specifications including TC Cobalt, TC Nickel and TC Titanium, and the TC Balls are manufactured as per ISO and Anti-Friction Bearing Manufacturer Association (AFMBA) standards.

Blank balls and finished balls can be both supplied. Standard and non-standard balls are available. 

Tungsten carbide valve ball seat API

RECOMMEND GRADES and SPECIFICATIONS:
Grade Binder (Wt %) Density (g/cm3) Hardness (HRA) TRS (≥N/mm2)
YG6 6 14.9 90.5 2100
YG8 8 14.7 89.0 2250
YG11 11 14.5 88.5 2600
YG13 13 14.2 87.5 2650
YG15 15 14.0 87.0 2750
YG20 20 13.5 85.5 2850
Grade Allowable Ball Diameter Variation Deviation from Spherical Form Surface Roughness Arithmetical Average Basic Diameter Tolerance Allowable Lot Diameter Variation
3 3 " 3 " .5" ±30 " 5 "
  .000003" .000003" .0000005" ±.00003" .000005"
5 5 " 5 " .8 " ±50 " 10 "
  .000005" .000005" .0000008" ±.00005" .00001"
10 10 " 10 " 1.0 " ±100 " 20 "
  .00001" .00001" .000001" ±.0001" .00002"
15 15 " 15 " 1.0 " ±100 " 30 "
  .000015" .000015" .000001" ±.0001" .00003"
16 16 " 16 " 1.0 " ±100 " 32 "
  .000016" .000016" .000001" ±.0001" .000032"
24 24 " 24 " 2.0 " ±100 " 48 "
  .000024" .000024" .000002" ±.0001" .000048"
25 25 " 25 " 2.0 " ±100 " 50 "
  .000025" .000025" .000002" ±.0001" .00005"
48 48 " 48 " 3.0 " ±200 " 96 "
  .000048" .000048" .000003" ±.0002" .000096"
50 50 " 50 " 3.0 " ±300 " 100 "
  .00005" .00005" .000003" ±.0003" .0001"
100 100 " 100 " 5.0 " ±500 " 200 "
  .0001" .0001" .000005" ±.0005" .0002"
200 200 " 200 " 8.0 " ±1000 " 400 "
  .0002" .0002" .000008" ±.001" .0004"
300 300 " 300 " ±1000 " 400 "
  .0003" .0003"   ±.001" .0004"
500 500 " 500 " ±2000 " 1000 "
  .0005" .0005"   ±.002" .001"
1000 1000 " 1000 " ±5000 " 2000 "
  .001" .001"   ±.005" .002"
2000 2000 " 2000 " ±5000 " 4000 "
  .002" .002"   ±.005" .004"
3000 3000 " 3000 " ±5000 " 6000 "
  .003" .003"   ±.005" .006"