Stainless Steel 348H Sheet

Stainless steel 348H Sheet is a high temperature austenitic stainless steel sheet with increased strength and improved corrosion resistance characteristics due to added chromium, niobium, molybdenum and titanium elements. Its composition includes Niobium (15%), Molybdenum (2%) plus Chromium (17%), Titanium (5%), Copper (75%) and Iron balance.  It also provides good creep strength at high temperatures and exceptional formability.

Chemical Composition of Stainless Steel 348H Sheet

Analyze the exact chemical composition of Stainless Steel 348H Sheet as specified in the comprehensive table below.

The chemical composition of Stainless Steel 348H Sheet follows precise limits for carbon, manganese, silicon, phosphorus, sulfur, chromium, and nickel.

Mechanical Properties of Stainless Steel 348H Sheet

The mechanical properties of grade 348H Stainless Steel sheet are displayed in the following table.

Stainless Steel 348H Sheet feature robust tensile and yield strengths, moderate elongation, and acceptable hardness levels.

Features of Stainless Steel 348H Sheet

Stainless Steel 348H sheets have several unique features which make them suitable for use at high temperatures.

• High Temperature Strength: Stainless Steel 348H sheet possesses excellent strength even when exposed to elevated temperatures, without mechanical property loss at extreme heat levels.
• Corrosion Resistance: The good corrosion resistance of stainless steel 348h sheet in different aggressive environments containing acids, alkalis, and chlorides makes it suitable for corrosive atmospheres.
• Oxidation Resistance: For applications exposed to prolonged heating like furnace components and heat exchangers, stainless steel 348h sheet can resist oxidation at high temperatures.
• Creep Resistance: SS 348h sheet demonstrates creep resistance that occurs under constant stress at high temperatures as the gradual deformation. This property is essential for components subjected to long-term high-temperature service.
• Weldability: Standard welding methods can be used to weld Stainless Steel 348h sheets. However, during welding, it should be ensured that sensitization and intergranular corrosion are minimized.
• Formability: Manufacturing processes such as bending, rolling or stamping could easily shape Stainless Steel 348H sheets into different shapes and sizes .
• Low Carbon Content: The normal carbon content in Stainless Steel 348H sheet is usually lower compared to other alloys meant for use in high temperatures thus reducing the risk of sensitization and intergranular corrosion at elevated temperature conditions.
• Excellent Stability: Even after long-term exposure to higher temperatures stainless steel 348h retains its properties and stability hence it offers long lasting services in demanding situations.
  Thus, Stainless steel 348H Sheet are reliable across various industrial sectors.

Applications of Stainless Steel 348H Sheet

There are numerous applications of Stainless Steel 348H sheets in various industries. Some common applications are:

• Chemical Processing: These find use in chemical processing equipment such as reactors, vessels and piping systems where resistance to corrosive chemicals and high temperatures is required.
• Petrochemical Industry: petrochemical industry utilizes Stainless steel 348H sheet for heat exchangers, columns and storage tanks that can survive the severe environments encountered during refining or processing activities.
• Thermal Processing Equipment: Stainless steel 348H sheet is used in thermal processing equipment, this includes furnaces, boilers and combustion chambers.
• Power Generation: SS 348H sheets are used in power generation facilities for turbine blades, exhaust systems and boiler tubes among others.
• Heat Treatment Industry: Stainless Steel 348H sheets are meant for use in the heat treatment industry where they exhibit oxidation resistance and thermal cycling properties such as trays or fixtures.
• Aerospace: Stainless steel 348H sheet  have application in aerospace for example engine parts, exhaust systems and aircraft structures.
• Automotive: Stainless steel 348H sheet may be utilized in the automotive industry in exhaust system and engine components able to withstand the high temperatures generated by internal combustion engines as well as corrosive gasses produced by these engines.
• Pharmaceutical Industry: They find utility in pharmaceutical processing equipment such as reactors, mixers, and storage vessels, where  cleanliness is required.
• Food Processing: Ovens, cookers, sterilizers etc using stainless steel 348H sheets can prevent corrosion while maintaining hygiene standards.
• Construction: Stainless Steel 348H sheets may be employed in construction and architectural materials such as external cladding, roofing and decorative item.

These applications highlight the versatility and reliability of Stainless Steel 348H sheets in various industries.