TGK SPECIAL STEEL PVT. LTD.

PLASTIC MOULD PH X SUPRA  Excellent resistance to corrosion l Excellent polishability  Excellent dimensional stability  Good strength  Good toughness. MAIN CHARACTERISTICS MAJOR APPLICATIONS PHYSICAL PROPERTY  PH X SUPRA is recommended for tools / molds for the processing of corrosive plastics. 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. CHEMICAL COMPOSITION (%) C Nb Ni 0.15 + Cr Cu 3.5 4.5 15.0 (38-42 HRC) 3 Density : 0.285 lbs./in (room temperature) Coefficient of Thermal Expansion Thermal Conductivity O O 70 F - 200 F -6 0 5.9 x 10 / F O O 70 F - 400 F -6 0 6.0 x 10 / F O O 70 F - 750 F -6 0 9.2 x 10 / F O 70 F 2 O 115 Btu/in/ft /hr/ F O 300 F 2 O 125 Btu/in/ft /hr/ F O 940 F 2 O 155 Btu/in/ft /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 40 42 160 170 175 162 172 180 12.8 12.2 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. GENERAL NOTES  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. 45