What is SA 213 material
Jan 07, 2026
SA213 is an alloy steel commonly used in high-temperature and high-pressure environments, primarily applied in boilers, heat exchangers, and other equipment. Its core advantages lie in its excellent heat resistance and creep resistance, enabling it to maintain structural stability under prolonged high-temperature conditions. This type of material typically contains alloying elements such as chromium and molybdenum, and achieves desired mechanical properties through special processing techniques.
SA213 Alloy steel pipe chemical composition
| Chemical composition | C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | Al | W | Ti | Nb |
N |
|
ASME SA213 |
SA213 T11 |
0.05～0.15 |
0.50～1.0 |
0.30～0.60 |
≤0.030 |
≤0.030 |
1.00～1.50 |
0.50～1.00 |
- |
- |
- |
- |
- |
- |
- |
|
SA213 T12 |
0.05～0.15 |
≤0.50 |
0.30～0.61 |
≤0.030 |
≤0.030 |
0.80～1.25 |
0.44～0.65 |
- |
- |
- |
- |
- |
- |
- |
- |
|
SA213 T22 |
0.05～0.15 |
≤0.50 |
0.30～0.60 |
≤0.030 |
≤0.010 |
1.90～2.60 |
0.87～1.13 |
- |
- |
- |
- |
- |
- |
- |
- |
|
SA213 T23 |
0.04～0.10 |
≤0.50 |
0.10～0.60 |
≤0.030 |
≤0.030 |
1.90～2.60 |
0.05～0.30 |
- |
- |
- |
≤0.030 |
1.45～1.75 |
B 0.0005～0.006 |
0.02～0.08 |
≤0.040 |
|
SA213 T91 |
0.08～0.12 |
0.20～0.50 |
0.30～0.60 |
≤0.020 |
≤0.010 |
8.00～9.50 |
0.85～1.05 |
- |
≤0.40 |
0.18～0.25 |
≤0.015 |
- |
- |
0.06～0.10 |
0.03～0.07 |
|
SA213 T92 |
0.07～0.13 |
≤0.50 |
0.30～0.60 |
≤0.020 |
≤0.010 |
8.50～9.50 |
0.30～0.60 |
- |
≤0.40 |
0.15～0.25 |
≤0.015 |
1.50～2.00 |
B 0.001～0.006 |
0.04～0.09 |
0.03～0.07 |
SA213 Alloy Steel Tubes in Boiler Applications
Overheater Applications
SA213 alloy steel tubes are widely used in boiler overheaters. The overheater's function is to further heat saturated steam into superheated steam, thereby increasing the steam's enthalpy and enhancing its work capacity. SA213 alloy steel tubes possess excellent high-temperature resistance, enabling them to withstand the high-temperature environment of superheated steam, ensuring the stable operation of the overheater, reducing heat loss, and guaranteeing steam quality.
Reheater Applications
These alloy tubes are also commonly used in boiler reheaters. The reheater is a device that re-heats the exhaust steam from the high-pressure cylinder of a steam turbine. During this process, the steam temperature is high and the pressure is also demanding. SA213 alloy steel tubes, with their strength and corrosion resistance, can adapt to the operating conditions of the reheater, effectively preventing pipe damage due to factors such as high temperature, high pressure, and corrosion. This ensures the safe and reliable operation of the reheater system, thereby improving the thermal efficiency and economy of the entire boiler unit.
Overall Significance
In summary, SA213 alloy steel tubes play a crucial role in key areas of boilers such as the overheater and reheater, significantly contributing to the stable and efficient operation of boilers.
SA213 Alloy steel pipe factory
