Auto spare parts Custom stellite 3 diesel engine valve seat
Materials of our valve seats
Cobalt Based Alloy
---Excellent wear and corrosion resistance even at high temperature up to 800℃
|
Brand
|
C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
W
|
Co
|
Fe
|
P
|
S
|
Density
(g/cm3)
|
Hardness
(HRC)
|
|
TOPS 3
|
2.0-2.7
|
1.0
|
1.0
|
29-33
|
3.0
|
|
11-14
|
Bal.
|
3.0
|
≤0.03
|
≤0.03
|
8.55
|
51-55
|
|
TOPS 6
|
0.9-1.4
|
1.0
|
1.5
|
27-31
|
3.0
|
1.5
|
3.5-5.5
|
Bal.
|
3.0
|
≤0.03
|
≤0.03
|
8.35
|
38-44
|
|
TOPS 12
|
1.1-1.7
|
1.0
|
1.0
|
28-32
|
3.0
|
|
7.0-9.5
|
Bal.
|
3.0
|
≤0.03
|
≤0.03
|
8.40
|
44-49
|
|
TOPS 20
|
2.2-3.0
|
|
2.0
|
30-34
|
3.0
|
1.0
|
14-18
|
Bal.
|
3.0
|
≤0.05
|
≤0.05
|
8.65
|
53-59
|
|
TTG 25
|
2.2-2.8
|
1-3
|
|
27-32
|
7
|
Ta/Nb
|
14-19
|
Bal.
|
2-5
|
|
|
8.84
|
57-60
|
|
TTG 35
|
3.3-3.8
|
1-3
|
|
27-32
|
7
|
Ta/Nb
|
14-19
|
Bal.
|
2-5
|
|
|
8.80
|
60-63
|
|
T400
|
0.04
|
|
2.5-2.7
|
8-10
|
|
27-29
|
|
Bal.
|
|
|
|
|
55
|
|
T800
|
0.04
|
|
3.2-3.6
|
16-18
|
|
27-29
|
|
Bal.
|
|
|
|
|
58
|
Dimensions of our valve seats
API Valve Seat Standard
|
No.
|
Specifications
|
Dimensions
OD/ID×H (in)
|
Weight
(g/pc)
|
|
1
|
VII-106
|
0.793/0.460×0.500
|
22.81
|
|
2
|
VII-125
|
0.918/0.550×0.500
|
29.55
|
|
3
|
VII-150
|
1.168/0.670×0.500
|
49.53
|
|
4
|
VII-175
|
1.388/0.825×0.500
|
68.13
|
|
5
|
VII-200
|
1.478/0.960×0.500
|
69.05
|
|
6
|
VII-225
|
1.720/1.060×0.500
|
100.34
|
|
7
|
VII-250
|
2.010/1.310×0.500
|
127.04
|
|
8
|
VII-375-1
|
3.072/1.700×0.750
|
536.94
|
|
9
|
VII-375-2
|
3.072/1.880×0.750
|
484.12
|
Note: The unit weight is only for reference. The actual weight might have some variations.
Q1: Are you a manufacturer or a trading company?
A1: We are the manufacturer located in the north of China with 15 years producing experience and
10 years exporting experience.
Q2: What's the material of your valve seats?
A2: It's the CoCrW alloy, which is usually called stellite alloy.
Q3: What's the stellite alloy?
A3: It is a range of cobalt-chromium alloys designed for wear resistance, heat resistance and
corrosion resistance.
Q4: What's the lead time of valve seats?
A4: 15-30 days depending on the order quantity.
Q5: What's the tolerance and surface finish we can control?
A5: As your demand.
Q6: How do we deliver the seats?
A6: We are the VIP customer of DHL express, having good discounts.
Q7: MOQ?
A7: 5pcs
Q8: Why I choose your company?
A8: We are professional. We are reliable. We are easy communication.
Your feedback is our best honor, please do not hesitate to give us your valuable feedback and we'll prove that we deserve your fully trust.