- EN
|
Grade
|
WC%
|
CO%
|
Hardness
(HRA) |
Desnity
(G/M³) |
T.R.S
(Mpa) |
Application
|
|
YG6
|
94%
|
6%
|
91
|
14.6-15.0
|
1700
|
Widely used in all kinds of hardware industry, valve, bearing, die casting , punching, grinding measurement.
|
|
YG6X
|
94%
|
6%
|
92
|
14.6-15.0
|
1450
|
Widely used in all kinds of hardware industry, valve, bearing, die casting , punching, grinding measurement.
|
|
YG8
|
92%
|
8%
|
89
|
14.4-14.8
|
1800
|
Widely used in valves,bearing, die casting , punching, grinding measurement,hardness tester, petroleum, chemical industry,
aeronautics and astronautics. |
|
YG11
|
89%
|
11%
|
88
|
14.25-14.4
|
2350
|
Widely used in the oil industry ,for API Valve pair seat and ball for sucker rod pump part
|
|
YG13
|
87%
|
13%
|
87
|
14.03-14.25
|
2400
|
Widely used in the oil industry ,for API Valve pair seat and ball for sucker rod pump part
|
|
TYPE
|
BALL(MM)
|
SEAT(MM)
|
||
|
OD
|
ID
|
Height
|
||
|
VII-106
|
16.5
|
20.60
|
11.89
|
13.1
|
|
VII-125
|
19.7
|
23.85
|
14.61
|
13.1
|
|
VII-150
|
24.4
|
30.20
|
17.83
|
13.1
|
|
VII-175
|
29.0
|
35.80
|
21.08
|
13.1
|
|
VII-225
|
35.4
|
44.20
|
26.57
|
13.1
|
|
VII-230
|
35.4
|
38.60
|
|
13.1
|
|
VII-250
|
43.3
|
51.60
|
32.13
|
13.1
|
|
VII-375
|
57.65
|
62.30
|
44.50
|
19.45
|
