355J0 Steel Plate is a low - alloy high - strength structural steel plate under the European standard EN 10025 - 21. The relevant introduction is as follows:

 

 

 

 

 

 

 

Core Characteristics

 

High Strength:
Approximately 30% higher than ordinary carbon steel (e.g., Q235), making it suitable for load-bearing structures such as high-rise buildings and bridges.

 

Excellent Toughness:
Meets the standard for impact energy at 0°C, making it applicable in cold regions (e.g., Northern Europe, Canada, etc.).

 

Weldability:
Submerged arc welding or gas-shielded welding is recommended. For plates with thickness >25mm, the preheating temperature should be controlled at 100–150°C, and the interpass temperature should be ≤200°C to avoid embrittlement in the heat-affected zone.

 

Good Workability:
Easy to cut, drill, and cold-bend. However, excessive deformation during cold bending should be avoided to prevent surface microcracks; burrs must be removed after shearing or punching to reduce stress concentration.

 

Corrosion Resistance:
Enhanced by adding elements such as Cr and Cu, enabling it to adapt to corrosive environments like marine and chemical industries.

 

Environmental Friendliness:
Features low-carbon, eco-friendly production processes and recyclable properties, complying with the requirements of green buildings and circular economy.

 

 

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our S355JO Steel Plate, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.

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