ASTM A403 347-347H Stainless Steel Sheet
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ASTM A403 347-347H Stainless Steel Sheet
347/347H stainless steel design features
• Superior overall corrosion resistance compared to Type 321 due to the stabilizing effect of columbium. • Reduces the tendency to form a continuous chromium carbide network at grain boundaries. • Better high temperature performance than 304 or 304L. Typically used on parts that are intermittently heated to 1500 °F. For continuous use, maximum temperature is 1650°F. • Type 347H has high carbon (0.04 – 0.10) for better high temperature creep characteristics. • Improved resistance to intergranular corrosion.
347 347H Advantages of Stainless Steel
Higher creep stress and fracture properties compared to 304
Ideal for high temperature services
Overcome sensitization and intergranular corrosion issues
Available for high temperature applications ASME Boiler and Pressure Vessel Code applications
Due to stability, this material has better overall corrosion resistance compared to 304/304L
Excellent mechanical properties
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