Manufacture Tungsten Carbide Bearing Balls High Wear Resistant Ball for Valve

• Certification: ISO, CE
• Surface Treatment: Polishing
• Temperature: High Temperature
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: EB9102
• Pressure: High Pressure
• Material: Cobalt
• Type: Ball
• 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: 50000 Piece/Year
• Package Size: 10.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 10.000kg

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.Chemical Composition:

Composition (%)	C	Si	Mn	Cr	Ni	S	P	Mo	W	Fe	Co
Stellite 20 (Balls)	2.30-2.65	≤1.0	≤1.0	31.0-34.0	≤2.5	≤0.04	≤0.04	≤1.0	16.0-18.0	≤2.5	Bal.
CoCr Alloy (Seats)	2.20-2.50	≤1.0	≤1.0	29.0-34.0	≤3.0	≤0.04	≤0.04	≤1.0	11.0-14.0	≤2.5	Bal.

8.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

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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. 

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