St52.8 boiler steel pipe properties

St52.8 is a low-alloy steel primarily used for boiler and pressure vessel applications. It is classified under the DIN 1629 standard and is known for its good strength, toughness, and weldability, making it ideal for high-temperature and high-pressure environments.  

St52.8 boiler steel pipe Chemical Composition (Typical Values)  
- Carbon (C): ≤ 0.20%  
- Silicon (Si): ≤ 0.35%  
- Manganese (Mn): 0.40 - 1.40%  
- Phosphorus (P): ≤ 0.025%  
- Sulfur (S): ≤ 0.015%  

St52.8 boiler steel pipe Mechanical Properties  
- Tensile Strength: 490 - 630 MPa  
- Yield Strength: ≥ 355 MPa  
- Elongation: ≥ 21% (for pipes with thickness ≤ 16mm)  
- Impact Toughness: Good impact resistance, even at lower temperatures  

St52.8 boiler steel pipe Key Features  
-Good weldability –suitable for welding without preheating  
-High strength and toughness –withstands high pressures and temperatures  
-Good machinability –can be processed easily  
- Corrosion resistance –performs well in high-temperature environments  

St52.8 boiler steel pipe Applications  
- Boiler and pressure vessels –used in steam and hot water applications  
- Heat exchangers and condensers –for high-temperature fluid transport  
- Petrochemical and power plants –for piping under pressure  
- Mechanical and structural components –where strength and durability are required  

If you need St52.8 boiler steel pipe specific details for a particular standard, pipe dimension, or application, contact me freely.