Low-alloy DIN 17155 15Mo3 Pressure Steel

Low-alloy DIN 17155 15Mo3 Pressure Steel

DIN 17155 15Mo3 steel is a high-quality, low-alloy chrome-molybdenum steel primarily used for boilers, pressure vessels, and heat exchangers in high-temperature industrial applications, offering excellent heat and corrosion resistance. This German standard is now largely superseded by EN 10028 16Mo3, but 15Mo3 remains recognized and is equivalent to other international grades like ASTM A204 Gr. B. It's known for its suitability in demanding environments like oil, gas, and power plants.
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Description
Technical Parameters

DIN 17155 15Mo3 is a German old pearlitic heat resistant steel (numerical code 1.5415), the core is used for medium temperature pressure equipment, is now mostly replaced by EN 10028-2 but still commonly used in trade and engineering.

 

Steel Grade Thickness, in mm Yield Strength, min Tensile Strength Elongation, %, min
Low-alloy DIN 17155 15Mo3 Pressure Steel T≤16 275 440-590 20
16<T≤40 270
40<T≤60 260
60<T≤100 240 430-580 19
100<T≤150 220 420-57

 

Key Information

Application: Primarily used for components that require good heat resistance and corrosion resistance, such as industrial boilers, heat exchangers, and spherical tanks.

 

Standard Status: The DIN 17155 standard has largely been superseded by the European standard EN 10028. The direct equivalent in the modern EN standard is 16Mo3 (1.5415 material number).

 

Low-alloy DIN 17155 15Mo3 Steel Plate

Low-alloy DIN 17155 15Mo3 Pressure Steel

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