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Introduction to mechanical properties of the heat treatment machine for F44 stainless steel:
Heat Treatment: Hold at 1150-1200℃ for 1-2 hours, then rapidly air-cool or water-cool.

Mechanical properties:
Tensile Strength: σb≥655 MPa
Yielding strength σb ≥ 310 MPa:
Tensile elongation: δ≥35%
Hardness: 182-223 (HB).

F44 stainless steel is a type of super stainless steel, characterized by high Cr and high Ni (or high Mo) content. The Cr or Ni content is generally between 18~26%, with Mo content reaching 4~8%, and the Pitting Resistance Equivalent (PREN) greater than 40 (even greater than 42). This super stainless steel with a PREN over 42 is also known as Type 6Mo stainless steel.

Super stainless steel is an intermediate material between ordinary austenitic stainless steel and nickel-based alloys, specifically designed to tackle severe corrosive conditions that ordinary austenitic stainless steel cannot handle (such as environments with high concentrations of chloride ions or seawater, etc.).

Introduction to the Applications of F44 Stainless Steel:
1. Oceans: Marine structures in marine environments, seawater desalination, seawater aquaculture, and seawater heat exchange, etc.
2. Environmental Protection: Flue gas desulfurization equipment for thermal power generation, wastewater treatment, etc.
3. Energy Sector: Nuclear power generation, comprehensive utilization of coal, tidal power generation, etc.
4. Petroleum & Chemical Industry: Refining, chemical & engineering equipment, etc.
5. Food Sector: Salt production, soy sauce brewing, etc.
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