PH X SUPRA is a corrosion resistant, precipitation hardened steel with high strength and good toughness. It shows excellent polishability due to the applied remelting process.
Description : PH X SUPRA is a corrosion-resistant, martensitic precipitation hardened stainless, PH X SUPRA is supplied in pre-hardened condition with a hardness of 38-42 HRC.
Main Characteristics : Excellent resistance to corrosion, Excellent polishability, Excellent dimensional stability, Good strength, Good toughness.
Major Applications : PH X SUPRA is recommended for tools / molds for the processing of corrosion plastics.
Chemical Constituent : (%)
| C | Cr | Ni | Cu | Nb |
| 0.15 | 15.0 | 4.5 | 3.5 | + |
Physical Property : (38-42 HRC)
Density : 0.285 lbs./in³ (room temperature)
| Co-efficient of Thermal Expansion | ||
| 70°F - 200°F | 70°F - 400°F | 70°F - 750°F |
| 5.9 x 10-6/°F | 6.0 x 10-6/°F | 9.2 x 10-6/°F |
| Thermal Conductivity | ||
| 70°F | 300°F | 940°F |
| 115 Btu/in/ft2/hr/°F | 125 Btu/in/ft2/hr/°F | 155 Btu/in/ft2/hr/°F |
Mechanical Properties :
Toughness (Charpy-V notch) : 25 ft-lbs. at 38 HRC
| Hardness HRC | Y.S. (0.2%) Ksi | T.S. Ksi | El (%) |
| 38 | 160 | 162 | 12.8 |
| 40 | 170 | 172 | 12.2 |
| 42 | 175 | 180 | 12.2 |
Polishing : Tool should be polished using the guidelines for polishing stainless steel. When properly polished, an A-1 surface finish is achievable.
General Notes : All statements regarding the properties or utilization of the materials or products mentioned are for the purposes of description only. Guarantees regarding the existence of certain properties or a certain utilization are only valid if agreed upon in writing.
Heat treatment : Refer to again diagram below for aging temperatures, Aging is performed by uniformly heating to aging temperature, equalizing temperature from surface to center, holding for 4 hours at specified temperature, and air cooling.
