Hot-selling Alloy 188 - Stellite 6/ Stellite 6B/ Stellite 12 valves seat Ring/ Sleeve – Sekonic

Product Detail

With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for our customers for Monel 400 seamless tube, Hastelloy B sheet, Haynes 188 tube, And there are also many foreign friends who came for sight seeing, or entrust us to buy other stuff for them. You are most welcome to come to China, to our city and to our factory!

Hot-selling Alloy 188 - Stellite 6/ Stellite 6B/ Stellite 12 valves seat Ring/ Sleeve – Sekonic Detail:

stellite 6B ring, seat ring,valve seat ring

Stellite 6/6B Valves Seat Ring/ Sleeve

♦ Material: Stellite Alloys, Stellite 6, Stellite 6B, Stellite 12

♦ Forms: Ring, Sleeve as per clients drawing or specification

♦ Surface: Polished/ Grinding

♦ Tolerance:+/-0.01 mm On OD and ID

♦ Hardness: 38-55 HRC

♦ Standards :AMS 5387 ect

Stellite 6 or cobalt 6 cobalt based alloys produced by centrifugal casting or sand moulding, used in bushings and wear rings to improve wear resistance.

Condition: Casting, stress relief before processing

Heat treatment: stress relief: heat the casting to the minimum 800℃, hold for 1-4 hours slow cooling.

Process: All castings of the same batch shall be of the same quality without pores, pores, hard spots, shrinkage defects, cracks or other harmful defects.Single castings with isolation holes below 0.5 mm are not allowed to be repaired, plugged or welded.

Semi-finished castings for EMS final machining shall be provided in “Machining Inspection Status” to allow casting to be inspected prior to shipment.

stellite 6b ring, stellite sleeve

Stellite Alloys Chemical compositions and properties (%)

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

Application:

Stellite6B alloy is one of the cobalt-based wear resistant Bai alloys, wear resistance and toughness, can adapt to most conditions, a wide range of applications, hardness in 37-45HRC;It is mainly used for chemical wear-resisting plate, wear-resisting rod, steam chemical valve seat, steam turbine blade protection, anti-erosion bushing, hot dip galvanized submerged roller and other parts;Compared with WR6 (Stellite6) WR6B, WR6B has better high temperature wear resistance

Product detail pictures:

Related Product Guide:
Why Nickel Based Alloys ?
Why Cobalt based Alloys

To create more value for customers is our business philosophy; customer growing is our working chase for Hot-selling Alloy 188 - Stellite 6/ Stellite 6B/ Stellite 12 valves seat Ring/ Sleeve – Sekonic , The product will supply to all over the world, such as: Bangladesh, French, UK, We also have the strong ability of integration to supply our best service, and plan to build the warehouse in the different countries around the world, that will probably be more conveniently to service our customers.

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