Product Description: Stainless Steel 1.4818 / Alloy 153MA
Stainless steel 1.4818 (Alloy 153MA) is a heat-resistant austenitic stainless steel designed for operation under high temperatures and aggressive environments. The material combines good corrosion resistance, oxidation resistance, and stable mechanical properties at elevated temperatures.
General Technical Characteristics
Steel 1.4818 is characterized by excellent heat resistance and good oxidation resistance at elevated temperatures. It maintains strength and structural stability during long-term exposure to heat.
Key properties:
- high heat resistance
- excellent oxidation resistance
- good corrosion resistance
- stability at elevated temperatures
Chemical Composition
The alloy contains:
- Iron (Fe): base element
- Chromium (Cr): approx. 18–20%
- Nickel (Ni): approx. 8–10%
- Silicon (Si): increased content for heat resistance
- Manganese (Mn): up to 2%
- Carbon (C): up to 0.1%
- Nitrogen (N): added for strength improvement
This composition provides excellent oxidation resistance and thermal stability.
Mechanical Properties
The steel demonstrates:
- stable strength at elevated temperatures
- good resistance to thermal fatigue
- resistance to deformation under heat
- long service life in aggressive environments
Applications
Stainless steel 1.4818 / Alloy 153MA is used for manufacturing:
- furnace and heat treatment equipment parts
- heat exchangers
- gas duct components
- power generation equipment parts
- structures operating at high temperatures
It is widely used in energy, metallurgy, and mechanical engineering industries.
Features
Key advantages include:
- high heat resistance
- stable properties at elevated temperatures
- good corrosion resistance
- long service life
Supply Formats and Standards
The material is supplied as:
- sheets
- bars
- tubes
- billets
Complies with:
- EN 1.4818 (Alloy 153MA)
Stainless steel 1.4818 (Alloy 153MA) is a reliable material for high-temperature applications where heat resistance, stability, and durability are essential.
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