Stellite 21 polystel 21 Cobalt Welding Rod
WISDOM Brand Chinese Leading Manufacturer
Hardfacing welding series
We are your reliable alloy consultant
PRODUCT INTRODUCTION
WISDOM WD-Co21 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 ERCCoCr-B
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
Features:
1) Powder of three main alloys: cobalt-base alloy, nickel-base alloy, and
iron-base alloy, stellite alloy
2) Properties: good resistance against high-temperature, corrosion, wear,
shock and stick abrasion
3) Main application: use to repair and pre-protection of valve seat, pump
shaft sleeve and valve gate
4) Process: OXY, PTA, high frequency remelting
5) Specifications: 150/320, 200/400, 280/400, 180/400, 60/170, 60/200
About Delivery and shipping
1. For the products which we have raw material in stock.
We can deliver the products within 7-10 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 20-25 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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