JIS G3125 Grade SPA-C steel plate is a type of weather-resistant steel, produced in accordance with the Japanese standard JIS G3125.
Its commonly used equivalent grades include GB/T Q345GNHL and AS WR350/2, making it suitable for global engineering and construction applications.
Mechanical Properties of JIS G3125 SPA-C
| Property | Value |
|---|---|
| Elastic Modulus | 190 – 210 GPa (20 °C) |
| Elongation (A5) | 26% (20 °C) |
| Poisson's Ratio | 0.30 (20 °C) |
| Tensile Strength | 450 MPa (20 °C) |
| Yield Strength | 315 MPa (20 °C) |
| Density | 7.8 g/cm³ (20 °C) |
JIS G3125 Grade SPA-C steel plate offers a balanced combination of strength, ductility, and atmospheric corrosion resistance, making it ideal for outdoor structural and architectural applications.
We can supply SPA-C steel plates with complete chemical composition reports and mechanical property certificates. If you are looking for JIS G3125 Grade SPA-C material, feel free to contact us for a quotation and technical support.
What is 09CrCuSb steel?
09CrCuSb, also known as ND steel, is a low-alloy corrosion-resistant steel specially designed for use in acidic dew point corrosion environments. It contains alloying elements such as chromium (Cr), copper (Cu), and antimony (Sb), which significantly enhance its resistance to sulfuric acid and flue gas corrosion.
Why is 09CrCuSb called ND steel?
"ND" stands for Nitric acid and Dew-point corrosion resistance. The steel was developed to withstand low-temperature acid condensation corrosion commonly found in boilers, heat exchangers, and flue gas systems.
Does 09CrCuSb steel have good weldability?
Yes. 09CrCuSb steel has good weldability. Standard welding methods such as SMAW, SAW, and TIG can be used, but low-hydrogen electrodes and proper preheating may be recommended for thicker sections.
Is 09CrCuSb suitable for high-temperature service?
09CrCuSb is mainly designed for medium-temperature environments where acid dew point corrosion occurs. It is not intended for extremely high-temperature pressure vessel applications without proper evaluation.
