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Sell Tungsten Carbide Titanium carbide stellite 440C valve balls and valve seats for API 11AX sucker rod pumps

Sell Tungsten Carbide Titanium carbide stellite 440C valve balls and valve seats for API 11AX sucker rod pumps

Brand Name : ZS
Model Number : VII-106,VII-125,VII-150,VII-175,VII-225,VII-250,VII-275
Certification : API
Place of Origin : China
MOQ : 1
Price : usd 1- 300 /pc
Payment Terms : T/T,L/C
Supply Ability : 50 ton/month
Delivery Time : 7-30 days
Packaging Details : Wooden case
material : cobalt base alloy Tungsten Carbide Titanium carbide stellite 440C
size : VII-106,VII-125,VII-150,VII-175,VII-225,VII-250,VII-275,VII-375
alloy specification : W+ Ni +Fe+cu
type : finished or half finished
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.Introduction

Cobalt base alloy is a completely non-magnetic and corrosion resistant cobalt alloy. There are a number of cobalt base alloys, with various compositions optimised for different uses. Some are formulated to maximize combinations of wear resistance, corrosion resistance, or ability to withstand extreme temperatures.


Stellite alloy is a range of cobaltchromium alloys designed for wear resistance. It is a completely non magnetic and corrosionresistant cobalt alloy. There are a number of Stellite alloys,


with various compositions optimised for different uses. Some are formulated to maximize combinations of wear resistance, corrosion resistance, or ability to withstand extreme temperatures


2.Nominal composition (mass%) and physical properties


♦ Castings of main alloys: cobalt-base alloy, nickel -base alloy,SS and stellite alloy;

♦ Available forms: end product or blank;

♦ Properties: good resistance against corrosion and oxidation;

♦ Main application: extensively used in petrochemical industry, marine exploration, heat exchanger and pump;

♦ Processing: investment casting, sand casting;


CoCrWCOthersHardnessDensityMelting range
Base27-313.5-5.50.9-1.4Ni, Fe, Si, Mn, Mo38-44HRC8.35g/cm³1280-1410ºC

3.Specifications

Standard: API Spec 11AX

High Precission in Shape;
Strong corrosion resistance
Excellent mechanical property

Materials: Stainless Steel, Tungsten Carbide, Titanium Carbide, Cobalt Alloy


Precision machined carbide balls and valve seats

1. High strength, high wear resistance, high precision, good temperature resistance and good corrosion resistance.

2. Mainly used for the sealing of valves of oil pumps in petroleum industry’s containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.

3. Balls and seats are used with compatible cemented carbide valve seats.

4. The finished surface, tolerance standard have reached the standards of the machine industry: G5, G10, G16, G40 and G100 of JB/T 9145-1999.

5. Precision machined cemented carbide balls of other grades and specifications are also available based on customers` demands.

6. Compatible high precision valve seats can also be made.


valve seat


NO.Size (mm)weight(g)tolerance
1VII-10620.14×11.68×12.722.81ID(±1.27mm) OD(+0/-0.13mm) H(+0.51/-0.25mm)
2VII-12523.32×13.97×12.729.55
3VII-15029.67×17.2×12.749.53
4VII-17535.26×20.96×12.768.13
5VII-20037.54×24.38×12.769.05
6VII-22543.69×26.92×12.7100.34
7VII-25051.05×33.27×12.7127.04
8VII-37578.03×43.18×19.05536.94
78.03×47.75×19.05484.12

4.Product Show



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