Product Item: S235JR Steel Plate
Material: S235JR, Mild Steel
Size: 40 * 5 * 6000 MM
Wall Thickness: 5 MM
Surface: Zinc-rich Epoxy Primer
The S235JR Steel Plate is a high-quality mild steel plate, featuring a 5 mm wall thickness, 40 mm size, and a length of 6000 mm.
It is coated with a zinc-rich epoxy primer for enhanced corrosion resistance, making it suitable for a variety of industrial applications that require durability and long-lasting performance.
Epoxy Painted Steel vs Galvanized Steel: Key Differences
When comparing epoxy-painted steel and galvanized steel, the main difference is in how they protect against corrosion. Epoxy-painted steel uses a strong, chemical-resistant coating, while galvanized steel relies on a zinc layer to prevent rust.
Epoxy is ideal for environments with chemicals and wear, while galvanized steel is best for long-term exposure to moisture.
Applications of Epoxy Painted Steel vs Galvanized Steel
Epoxy-Painted Steel
Chemical Storage and Handling Facilities: pipes, tanks, and equipment in chemical plants.
Marine Equipment: marine equipment and underwater structures.
Interior Architectural Elements: architectural columns, stairways, and decorative elements.
Galvanized Steel
Outdoor Structural Components: utility poles, transmission towers, and bridges.
Agricultural Equipment and Storage: grain silos, barns, and irrigation systems.
Industrial Facilities: large load-bearing structures.
Epoxy-Painted or Galvanized Steel?
For Chemical Resistance, choose epoxy-painted steel for an environment exposed to chemicals.
For Outdoor Durability, choose galvanized steel for outdoor or moisture-heavy environments.
What is the difference between S235JR and S275JR?
S235JR is used in less demanding applications, such as general construction, lightweight structures, and components where lower strength is sufficient (e.g., beams, columns, and frames). S275JR is preferred for applications requiring higher strength, such as heavier structural components, bridges, or machinery parts.
What is the Chinese equivalent of S235JR steel?
Q235B
The closest Chinese equivalent to S235JR (EN 10025-2) is Q235B (GB/T 700-2006). While these grades share similar mechanical properties, subtle differences in composition and performance must be carefully evaluated for compliance and safety.
What is S235JR steel equivalent to?
ASTM A36
Its equivalents include ASTM A36 in the US, JIS SS400 in Japan, and ISO E235B in Europe, all providing similar structural capabilities suitable for general engineering and construction applications.
S235JR and ST37 are equivalent to each other, as well as to the European standard EN 10025-2 and the German standard DIN 17100. This section establishes the correlation between these grades, allowing for seamless integration across different standards.






