Shanghai HY Industry Co., Ltd is professional manufacturer for superalloy, HY has 20 years craftsman spirit , Superalloy solution expert,Qualified supplier for GE & Siemens .
Stellite cobalt-based alloy grade hardness and application (HY-industry technical centre)
Stellite cobalt-based alloy grade hardness and application
Casting rods
hardness（HRC）
application area
Stellite 1
53
Valve seat, bearing, knife edge, etc.
Stellite 3
54
Needle valve seat, valve seat, rolling steel guide roller
Stellite 4
48
Hot press die, hot extrusion die, dry battery industry
Stellite 6
43
Engine valves, high temperature and high pressure valves, turbine blades
Stellite 12
47
High temperature and high pressure valves, saw teeth, screw push rods, etc.
Stellite 20
54
Bearing sleeve, wear plate
Stellite 31
33
Gas turbine blades
Stellite 190
58
Oil drilling tools
Stellite 706
42
Engine valve, high temperature and high pressure valve
Stellite 712
50
High temperature and high pressure valve, screw push rod
Tribaloy400
53
Gate valve and extruder used in high temperature and strong corrosive medium
Tribaloy800
55
Gate valve and extruder used in high temperature and strong corrosive medium
Stellite F
40
Internal combustion engine intake and exhaust valve
Stellite 21
30
Turbine blades, various liquid valves, valve seats, hot stamping dies, etc.
Forging stellite6B, 6K and stellite25; casting stellite20 and other cobalt-chromium-tungsten stellite alloys | Resistance to hot corrosion and wear of oxidizing media
HY-industry is qualified Titaniumalloy，Nickelalloy&cobalt alloy materials supplier.
We have more than twenty years experience in kind of High temperature alloy production.
Cobalt-based products of Shanghai HY Industry Co., Ltd. covers forging, precision casting, and centrifugal casting. It adopts pure metallurgy and homogenized forging processes to balance performance, or change casting to forging to improve strength and toughness.In order to meet the needs of our customers,HY-industry continue to increase R&D investment.
HY-industry’s conventional mass production material grades are as follows：
Forging stellite6B, 6K and stellite25; casting stellite20 and other cobalt-chromium-tungsten stellite alloys | Resistance to hot corrosion and wear of oxidizing media