0Cr15Ni7Mo2Al (PH15–7Mo) process performance

0Cr15Ni7Mo2Al(PH15–7Mo)superalloy:technologicalcharacteristics

Introduction

0Cr15Ni7Mo2Al (PH 15–7Mo) is an austenitic stainless steel. It is a nickel–chromium–molybdenum steel with additions of aluminium. This superalloy is known for its high-temperature strength and superior corrosion resistance. 0Cr15Ni7Mo2Al (PH 15–7Mo) is found in many applications, including heaters and exchangers, wall panels and equipment, medical devices, and turbine components.

Physical Properties

0Cr15Ni7Mo2Al (PH 15–7Mo) has a density of 7.7 g/cm³. Its electrical resistivity is 0.73 ohms x 10-6 cm. Its melting point is between 1370 and 1400°C (2500 and 2550°F).

Mechanical Properties

0Cr15Ni7Mo2Al (PH 15–7Mo) has a high tensile strength of 780 MPa (113 ksi). Its yield strength is 230 MPa (33 ksi), and its fatigue strength is 250 MPa (36 ksi). It has a maximum elongation of 25%.

Chemical Composition

The chemical composition of 0Cr15Ni7Mo2Al (PH 15-7Mo) is as follows:

Carbon (C): 0.04% - 0.09%

Chromium (Cr): 0.15% - 0.20%

Nickel (Ni): 7.0% - 8.0%

Molybdenum (Mo): 2.0% - 3.0%

Aluminium (Al): 0.45% - 0.90%

Thermal Properties

0Cr15Ni7Mo2Al (PH 15–7Mo) has a thermal conductivity of 11.2 W/m.K. Its thermal expansion coefficient is 14.2 x 10-6 / K.

Fabrication and Heat Treatment

0Cr15Ni7Mo2Al (PH 15–7Mo) is a difficult material to fabricate due to its high temperature strength and its susceptibility to cracking during welding. It may be hot worked in the temperature range of 950 to 1200°C (1750 to 2150°F). It can be cold worked in the temperature range of -80 to 400°C (-110 to 750°F).

0Cr15Ni7Mo2Al (PH 15–7Mo) is often heat treated in order to increase its strength and toughness. This is done at a temperature of 1100 to 1200°C (2000 to 2100°F).

Corrosion Resistance

0Cr15Ni7Mo2Al (PH 15–7Mo) is highly resistant to corrosion and oxidation. Its superior resistance to chloride pitting and crevice corrosion allows it to be used in a wide range of applications, including food processing equipment, offshore and onshore oil and gas processing, and marine environments.

Conclusion

0Cr15Ni7Mo2Al (PH 15–7Mo) is an austenitic stainless steel. It has good high temperature strength and superior corrosion resistance. Its chemical composition includes carbon, chromium, nickel, molybdenum and aluminium. 0Cr15Ni7Mo2Al (PH 15–7Mo) is a difficult material to fabricate due to its high temperature strength. It can be heat treated in order to increase its strength and toughness. It is highly resistant to corrosion, making it suitable for a wide range of applications.

PH15-7Mo (AISI-631, UNS-S15700) is an austenitic stainless steel characterized by moderate strength and superior corrosion resistance. This alloy has good forming and welding characteristics, making it an ideal material for a variety of applications. PH15-7Mo is typically used for chemical and structural components, pump shafts and valves.

PH15-7Mo offers excellent corrosion resistance and high ductility in a variety of environments. The alloy is non-magnetic at room temperature and it is relatively easily formed, formed and welded. It is resistant to a variety of acids, with excellent resistance to sulfuric and phosphoric acids. It is also resistant to intergranular corrosion and stress corrosion cracking even in slightly chlorinated media.

Additionally, PH15-7Mo offers superior mechanical properties. It has a tensile strength of 886-1083 MPa (130-157 Ksi) and a yield strength of 841-983 MPa (122-142 Ksi). In terms of hardness, PH15-7Mo can reach a maximum of 37-47 HRC. This alloy is also durable and exceptionally resistant to wear.

Overall, PH15-7Mo is a strong, versatile and cost-effective metal that offers superior corrosion resistance and superior mechanical properties. The alloy is suitable for a wide range of chemical and structural applications in hostile environments. It is particularly useful in chemical, power plant and oil & gas industries.