Cobalt Alloy HYST21/Stellite 21/UNS R30021
HYST21 Material grades and equivalents: Stellite 21/UNS R30021
Chemical composition:
|
Co |
Cr |
W |
C |
Ni |
Mo |
Fe |
Si |
Other |
|
Bal. |
28 |
- |
0.25 |
3 |
5.2 |
<3.0 |
<1.5 |
<0.5 |
Mechanical properties:
|
ASME/AWS |
Hardness(HRC) |
|
(SF)A 5.21 ER CoCr-E |
28-40 |
Characteristic as below：
It has excellent resistance on high heat, corrosion and abrasion.
Processing conditions and application:
Recommended use for making fuild valve,brass casting die , vlave seat, etc.
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Regular shape for all kinds of alloys |
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Form |
Specification |
Supply Form |
Others |
|
Sheet |
Thickness：0.40-4.75mm，General Width：1000、1219、1500mm |
Whole Coil or piece of it |
Cold Annealed，Surface 2B、2E |
|
Plate |
Thickness：4.76-60mm，Width：1500、2000、2500mm，Length：3000、6000、8000、8500mm（Under 10mm plate can be coiled） |
Whole Coil or piece of it |
Single hot rolling，Solid solution annealed state，Surface 1D |
|
Belt |
Thickness：0.10-3.0mm，Width：50-500mm |
Whole Coil or Specified size |
Cold Annealed，Surface 2B、2E |
|
Bar & Rod |
Rolled barΦ5-45mm，Length≤1500mm |
Polished Bar（circle、Square） |
Solution annealing,descaling |
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Forged barΦ26-245mm，Length≤4000mm |
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Weld tube |
Outer diameterΦ4.76-135mm，Wall Thickness0.25-4.00mm，Length：≤35000 mm |
Base on your requirement |
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|
Seamless Tube |
Outer diameterΦ3-114mm，Wall Thickness0.2-4.5mm |
Base on your requirement |
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|
Wire |
Outer diameterΦ0.1-13mm |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
|
Forged piece |
discs,rings,squares,blocks,slabs |
Base on your requirement |
Steel, Alloy |
|
Flangs |
All kinds of Flangs |
Base on your requirement |
Steel, Alloy |
|
Welding Material |
Coil wire Φ0.025mm-1.6mm |
Base on your requirement |
Certificate of Origin：America, Sweden, Britain, Germany, Austria, Italy, France. |
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Straight WireΦ1.6mm-4.0mm |
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Welding rodΦ1.2mm-4.0mm |
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Tube |
Elbow, three links, four links, different diameter size |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
|
Explosive bonded laminate |
Raw Sheet Thickness≥2mm |
Base on your requirement |
Ni & Ni alloy, Ti & Ti alloy |
