Description
| Cobalt—Base Bare Rods | ||||||||||||
| Trademark | Nominal Chemical Composition(wt%) | HRC | Application | Reference Standard | ||||||||
| C | Cr | Si | W | Ni | Fe | Mn | Mo | Co | ||||
| CAG-Co1 | 2.45 | 30.00 | 1.00 | 13.00 | ≤ 3.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | 50-58 | Valve seat inserts, bearing, cutter edge, rotary ring, etc. | AWS A5.21 ERCoCr-C Stellite 1 |
| CAG-Co3 | 2.40 | 30.50 | 1.00 | 13.00 | ≤ 3.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | 50-56 | Valve seat inserts, steel mill guide roll, wearing panel of cracker blade, etc. | AWS A5.21 ERCoCr-C Stellite 3 |
| CAG-Co4 | 1.00 | 31.00 | 1.00 | 14.00 | ≤ 3.00 | ≤ 1.00 | ≤ 0.50 | ≤ 0.50 | Bal | 45-50 | Hot extrusion die, dry battery industry | Stellite 4 |
| CAG-Co6 | 1.20 | 29.00 | 1.00 | 4.50 | ≤ 3.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | 40-46 | Engine valve, high temperature valves, turbine blade, etc. | AWS A5.21 ERCoCr-A Stellite 6 |
| CAG-Co12 | 1.40 | 30.00 | 1.30 | 8.50 | ≤ 3.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | 44-50 | High temperature, pressure valves, saw teeth, screw flights, etc. | AWS A5.21 ERCoCr-B Stellite 12 |
| GAG-Co20 | 1.40 | 32.00 | 1.20 | 17.00 | ≤ 3.00 | ≤ 3.00 | ≤ 0.50 | ≤ 1.00 | Bal | 54-59 | Bearing sleeve, wear plate | Stellite 20 |
| CAG-Co21 | 0.25 | 27.00 | 1.00 | 0.20 | ≤ 3.00 | ≤ 2.00 | ≤ 1.00 | ≤ 5.50 | Bal | 20 | Fluid valve, brass casting die, valve seat, etc. | AWS A5.21 ERCoCr-E Stellite 21 |
| CAG-Co25 | 0.05 | 20.00 | 1.00 | 15.00 | 10.00 | ≤ 2.00 | ≤ 1.50 | ≤ 1.00 | Bal | cold hard | High temperature and corrosion-resistant valve sealing surface, pressure casting dies, etc. | Stellite 25 |
| CAG-Co31 | 0.50 | 26.00 | 1.00 | 7.50 | 10.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | 30-35 | Extrusion die, steam turbine blade, etc. | Stellite 31 |
| CAG-CoF | 1.80 | 26.00 | 1.00 | 12.00 | 22.00 | ≤ 1.50 | ≤ 0.50 | ≤ 1.00 | Bal | 40-45 | Engine inlet and exhaust valve | AWS A5.21 ERCoCr-F Stellite F |
| CAG-Co190 | 3.20 | 26.00 | 1.00 | 14.00 | ≤ 1.00 | ≤ 3.00 | ≤ 1.00 | ≤ 1.00 | Bal | ≥ 54 | Petroleum drill bit | AWS A5.21 ERCoCr-G Stellite 190 |
| CAG-CoT-400 | 0.08 | 8.50 | 2.60 | — | 1.50 | ≤ 1.50 | ≤ 1.00 | ≤ 28.00 | Bal | 50-60 | Wedge gate valves at elevated temperature, corrosive environment, plastic extrusion liners | Tribaloy T-400 |
| CAG-CoT-800 | 0.08 | 18.00 | 3.40 | — | ≤ 1.50 | ≤ 1.50 | ≤ 1.00 | ≤ 28.00 | Bal | 52-58 | Wedge gate valves at elevated temperature, corrosive environment, plastic extrusion liners | Tribaloy T-800 |
| *Note: Deloro Stellite is a registered trademark. | ||||||||||||
Supply Capabilities
Outer diameter range: Ø3.0 mm ~ Ø150 mm (custom large diameter bars or irregular cross-sections are supported)
• Length: Standard 1000 mm / 2000 mm, or cut to size as per drawings.
Delivery status:
o As-cast / Hot-forged
oCar Light (Peeled / Turned)
o Centerless ground (roughness can reach Ra 0.2~0.4 μm)
Typical Application Industries
• Oil and Gas and Fluid Control
• Polymer and rubber machinery
• Energy and power equipment
• Aerospace and automotive manufacturing
• Iron and steel industry






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