SA210C is a ​medium-carbon seamless steel pipe​ designed for boilers and superheaters, complying with the ​ASME SA-210/SA-210M​ standard. It is widely used in power plants, petrochemical industries, and other high-temperature applications due to its ​high strength, corrosion resistance, and weldability​

​Key Properties​

​Mechanical Properties​

​Tensile strength​: ≥485 MPa

​Yield strength​: ≥275 MPa

​Elongation​: ≥30%

​Hardness​: ≤89 HRB .

​Chemical Composition​

​Carbon (C)​: ≤0.35%

​Manganese (Mn)​: 0.29–1.06%

​Silicon (Si)​: ≥0.10%

​Phosphorus (P) & Sulfur (S)​: ≤0.035% each .

​Temperature Range​

Suitable for ​temperatures below 500°C​ (commonly used in ​water walls, economizers, and low-temperature superheaters​)

​Applications​

​Boiler components​: Water walls, economizers, superheaters.

​Power plants​: 300MW–1000MW units.

​Oil & gas​: High-pressure pipelines .

​Comparison with 20G (Chinese Equivalent)​

​SA210C​ has ​higher carbon and manganese​ content, offering ​~20% higher yield strength​ than 20G while maintaining similar ductility .

​Cost-saving​: Thinner walls reduce material usage by ~10% compared to 20G .

​Standards & Equivalents​

​Primary Standard​: ASME SA-210/SA-210M.

​Chinese Equivalent​: ​25MnG (GB5310)​

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