| Customization: | Available |
|---|---|
| Type: | Cobalt Alloy Welding Rod |
| Material: | Cobalt Based |
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Polystel 21 cobalt based ERCoCr-E AWS 5.21 welding rod
WISDOM Brand Chinese Leading Manufacturer
Hardfacing welding series
INTRODUCTION
WISDOM WDCo21 is recommended for applications involving cavitation, erosion, corrosion and/or high temperatures, such as valve trim for petrochemical and power generation. Due to its good impact resistance, it has been widely used in the building up of forging or hot stamping dies.
Common Names: Stellite 21 Polystel 21
Standard: AWS 5.21-2001 ERCoCr-E
CHEMICAL COMPOSITION(%)
| C | Si | Mn | Mo | Cr | W | Ni | Fe | Co |
| 0.25 | 1.50 | ≤0.50 | 5.50 | 27.30 | ≤0.50 | 2.00 | 1.50 | Rest |
CHARACTERISITIC
| Abrasion Resistance | Moderate |
| Impact Resistance | Excellent |
| Corrosion Resistance | Good |
| Hardness | HRC 20-40 |
| Deposit Layers | Multiple |
| Deposit Cross Checks | No |
| Magnetic | No |
| Hot Wear Hardness | Good |
| Machineability | Carbide Tools |
APPLICATIONS
· Used to make various liquid valves, valve seats
Water turbine blade, hot forging die
About Delivery and shipping
1. For the products which we have raw material in stock.
We can deliver the products within 3-5 days after the payment has been confirmed.
We will choose the shipping way as you required: By sea, by air, by express, etc.
As for the costs and shipping period information, please contact us via telephone, mail or online trade manager.
2.For the products need to start from smelting
We will finish the production within 10-15 days after the deposit has been confirmed. We will choose the shipping way as you required: By sea, by air, by express, etc.
As for the costs and shipping period information, please contact us via telephone, mail or online trade manager.
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