Drawing Customized HS Star J Cobalt Alloy 20 Metal for Valve Seats

• Customized: Customized
• Material: Cobalt Alloy
• Application: Steelmaking, Oil&Gas Industry
• Size: Accept Custom
• Chemical Composition: Cobalt Chrome Alloy
• Hardness: HRC35-55
• Model NO.: D50.7/D15.8*H19
• Density: 8.3 to 8.9g/cm3
• Profile: Rod, Plate, Block and Drawing Customized Parts
• Main Applications: Oil&Gas Industry, Food Processing Industry
• Lead Time: 7-45 Days
• Performance: Wear, Corrosion and Thermal Resistance
• Production Process: Investment Casting, Powder Metallurgy
• Transport Package: Cardboard Box, Plywood Box
• Specification: D50.7/D15.8*H19
• Trademark: SYTOP
• Origin: Liaoning, China
• Production Capacity: 1 Ton/Tons Per Week Cobalt Metal

Product Description

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Valve Seat Brief Introduction:

 

Cobalt Alloy valve ball and seat are very important parts of underground oil-well pump , they always show up together and cooperate very good , no better material can replace Cobalt Alloy now .

 

The valve balls are made of Cobalt Alloy 20 and valve seat are made of Cobalt Alloy 3 . They are a good team to resist the wear and corrosion issue in oil and gas pimping process .

 

What is the Details of our Cobalt Alloy seat and ball?

 

Material :	Cobalt Alloy -Grade 3 and 20
Process :	Powder Metallurgy, it is short for PM
Hardness:	53-59HRC
Density :	8.6-8.8 g/cm ³
Size :	Diameter 11-60 mm
Properties :	Wear and corrosion resistance, high-temperature resistance
Application :	Oil well pump components,  wear and corrosion resistance parts
Instructions :	Drawing made upon customer request
Usage :	one ball with one valve
Tolerance control :	Turning or grinding surface, tolerance upon drawing
Production lead time	Samples 10 days, normal order 30 days
Production capacity :	40,000pcs one month.
Package :	Carton or wooden case, pallet for export

 

Cobalt Alloy 3 Valve Seat Chemical composition :

 

Grade	C	Mn	Si	Cr	Ni	Mo	W	Co	Fe	P	S	Density (g/cm3)	Hardness (HRC)
Co 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
Co 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

 

 

API Valve Seat and ball Standard

 

No.	Specifications	Seat Dimensions OD/ID×H (in)	Weight (g/pc)	Ball Dimensions	Weight (g/pc)
1	VII-106	0.793/0.460×0.500	22.81	15.88	18.44
2	VII-125	0.918/0.550×0.500	29.55	19.05	31.84
3	VII-150	1.168/0.670×0.500	49.53	23.83	62.32
4	VII-175	1.388/0.825×0.500	68.13	28.58	107.51
5	VII-200	1.478/0.960×0.500	69.05	31.75	147.40
6	VII-225	1.720/1.060×0.500	100.34	34.93	196.27
7	VII-250	2.010/1.310×0.500	127.04	42.88	363.10
8	VII-375-1	3.072/1.700×0.750	536.94	57.15	859.63
9	VII-375-2	3.072/1.880×0.750	484.12	57.15	859.63

 

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