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Cobalt base alloy pump shaft sleeve corrosion resistance pump parts , valve seat
Introduction
Stellite alloy is a range of cobalt-chromium alloys designed for wear resistance. It is a completely non-magnetic and corrosion resistant 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.
Application
Typical application: valve seat inserts, valve seat rings, valve cage, bearing, cutter edge, steel mill guide roll, engine valve, high temperature& pressure valve and turbine blade, saw teeth screw flight, sleeve, wear plate and variety wear parts.
The satellite series shows outstanding properties in wear resistance, corrosion resistance and high temperature resistance, also most of our items made of powder metallurgy, it increase the properties.
Advantage
Heat Resistance, wear resistance, corrosion resistance
Made as required dimensions and materials
Main products: valve seat, pump parts, pistons, bushings, nozzles etc
Producing Process-investment casting
Process design→making profiling →making investment pattern→module skim→mold release→hardening the shell→smearing paint→assemble the module→baked and poured the shell→pouring→cleaning→hot treatment→machining→finishing product
Composition
| Brand and No | Carbon(Min-Max) | Manganese(Min-Max) | Sillicon(Min-Max) | Chrom(Min-Max) | Nickel (Min-Max) | Moly (Min-Max) | Tung (Min-Max) | Cobalt(Min-Max) | Iron | Other |
| Stellite3 | 2.00-2.70 | 1.00 | 1.00 | 29.0-33.0 | 3.00 | 11.0-14.0 | Bal. | 3.00 | P.03MAX S.03MAX | |
| Stellite4 | 1.00 | 1.00 | 1.5 | 28.0-32.0 | 3.00 | 1.50 | 12.5-15.5 | Bal. | 3.00 | |
| Stellite6 | .90-1.4 | 1.00 | 1.5 | 27.0-31.0 | 3.00 | 1.50 | 3.50-5.50 | Bal. | 3.00 | P.04MAX S.04MAX |
