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MOC Final V2 from Greenworks Video on Vimeo.
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METALLURGY
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The longer your pump lasts, the stronger your life cycle costs, and ROI become.
Centennial pumps are designed by A.R. Wilfley engineering, with more than 100 years of pump experience, to maximize your pump life.
Centennial offers both cast steel and our patented WCD4TM metallurgy. WCD4TM, is Wilfley’s specially processed duplex stainless steel with significantly improved abrasion and corrosion resistance properties, providing increased service life in abrasive and chemically aggressive applications.
Wilfley’s proprietary WCD4TM material is 60% harder versus 316SS, and you can realize a 60% longer wear life or even more.
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| Material | Average Hardness | Maximum Tensile Strength | Minimum Yield Strength | Elongation |
| WCD4™ | 345 HBN | 164,000 psi (1,131 MPa) |
113,000 psi (779 MPa) |
16% |
| 316SS | 215 HBN | 84,100 psi (580 MPa) |
42,100 psi (290 MPa) |
50% |
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| Material | Average Hardness | Maximum Tensile Strength | Minimum Yield Strength | Elongation |
| WCD4™ | 345 HBN | 164,000 psi (1,131 MPa) |
113,000 psi (779 MPa) |
16% |
| 316SS | 215 HBN | 84,100 psi (580 MPa) |
42,100 psi (290 MPa) |
50% |
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| Material | WCD4™ | 316SS |
| Average Hardness | 345 HBN | 215 HBN |
| Maximum Tensile Strength |
164,000 psi (1,131 MPa) |
84,100 psi (580 MPa) |
| Minimum Yield Strength |
113,000 psi (779 MPa) |
42,100 psi (290 MPa) |
| Elongation | 16% | 50% |
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- 60% improvement in average hardness versus 316SS
- 95% improvement in minimum tensile strength versus 316SS 168% improvement in minimum yield strength versus 316SS
- 168% improvement in minimum yield strength versus 316SS
What else would you and your company like to see?
How about increased corrosion resistance?
WCD4TM is a superior super-duplex stainless steel that could offer better corrosion resistance than 316SS. As an example in 65% boiling nitric acid, WCD4TM offers 5x improved corrosion resistance versus 316SS.
Centennial’s Superior materials provide longer lasting and more durable pumps for consistent and reliable operation, and longer lasting pumps also directly contribute to reduced cost of ownership for your pumps.
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