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The chemical composition of 309H Stainless Steel Plate is typical as follows: chromium (17-20 %), nickel (14-17%), molybdenum (2-3%), manganese ( 1.5 max.), phosphorus ( 0.045 max.), sulfur ( 0.03 max.), silicon ( 1.5 max.). Adding molybdenum helps improve the properties of 309H stainless steel plates, particularly their resistance to chloride ion corrosion and their strength at high temperatures.

309H SS plate is highly resistant to corrosion and has excellent strength at elevated temperatures. Its properties make it ideal for applications where exposure to high-temperature environments is a factor, such as boilers, heat exchangers, pressure vessels, furnace parts, and exhaust systems. Additionally, its molybdenum content gives it resistance to chloride ion pitting and stress-corrosion cracking. Its excellent formability allows it to be easily fabricated into complex shapes without compromising its strength and durability under extreme conditions.

FAQ's for Stainless Steel 309H Plates

The Price Range For Stainless Steel 309H Plate Is ₹300 To ₹600 Per Kilogram.

The maximum temperature rating for a 309H stainless steel plate is 2100°F (1150°C).

Yes, the 309H stainless steel plate has good strength properties at both room and high temperatures.

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