Stellite 20 Cobalt Base Alloy Balls and Seats

• Customization: Available
• Certification: ISO
• Surface Treatment: Polishing
• Model NO.: EB003
• Temperature: High Temperature
• Pressure: High Pressure
• Material: Cobalt
• Type: Balls
• Performance: Wear, Corrosin and Thermal Resistance
• Surface Finish: Mirror
• Cast Process: Investment Cast, Metallurgic Powder
• Dimension: Customer′s Drawings
• Transport Package: Plywood Case
• Specification: Stellite 20
• Trademark: EB
• Origin: China
• Production Capacity: 5000000 Pieces/Year

Product Description

1.Product Name:Valve Balls and Seats

2.Material Grade:API V11-225

3.Size:Balls φ28.58mm,V11-225 Seat

4.Hardness:G100 HRC 52-60

5.Process:Cast Process

6.Standard:

Type	Fluid, mm2	Dw, mm	D, mm	d mm	H, mm
V11-106	107	15.8750	20.142	11.68	12.70
V11-125	153	19.0500	23.317	13.97	12.70
V11-150	227	23.8125	29.667	17.02	12.70
V11-175	345	28.5750	35.255	20.96	12.70
V11-225	569	34.9250	43.688	26.92	12.70
V11-250	869	42.8625	51.054	33.27	12.70
V11-375	1623	57.1500	78.029	45.47	19,05

7.Standard Cobalt Alloy (Stellite):

	C	Cr	Si	W	Fe	Mo	Ni	Mn	Co	Hardness
Stellite 1	2.50	29.50	1.20	12.50	3.00	1.00	3.00	1.00	Bal.	53.0
Stellite 3	2.40	31.00	1.00	12.50	3.00	-	3.00	1.00	Bal.	54.0
Stellite 4	0.90	32.00	1.00	13.50	1.00	0.50	0.50	0.50	Bal.	48.0
Stellite 6	1.20	29.00	1.20	4.50	3.00	1.00	3.00	1.00	Bal.	43.0
Stellite 12	1.45	29.00	2.00	8.50	3.00	1.00	3.00	1.00	Bal.	47.0
Stellite 20	2.45	32.50	1.00	17.00	3.00	1.00	3.00	0.50	Bal.	54.0
Stellite 21	0.25	27.00	1.00	0.15	2.00	5.50	2.50	1.00	Bal.	20.0
Stellite 31	0.50	25.50	1.00	0.15	2.00	5.50	2.50	1.00	Bal.	33.0
Stellite 190	3.20	26.00	1.00	14.00	5.00	1.00	3.00	1.00	Bal.	58.0
Stellite 706	1.20	30.00	1.20	-	2.00	5.00	2.00	1.00	Bal.	42.0
Stellite 712	2.00	29.00	2.00	-	2.00	8.50	2.00	2.00	Bal.	50.0
Tribaloy 400	0.08	8.50	2.60	-	1.50	28.50	1.50	-	Bal.	53.0
Tribaloy 800	0.08	18.00	3.40	-	1.50	28.50	1.50	-	Bal.	55.0
Stellite F	1.75	25.50	1.10	-	1.15	0.60	22.50	0.30	Bal.	40.0

Q: Are you trading company or manufacturer ? 
A: We are factory. 

Q: How long is your delivery time? 
A: Generally it is 5~10 days if the goods are in stock.Or it is 45 days if the goods are not in stock, it is according to quantity. 

Q: What is your terms of payment ? 
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shipment.
irrevocable LC at sight.