JIS G3106 SM490Y A/B are high - strength structural steel plates with the following characteristics:

Chemical Composition2

For both SM490YA and SM490YB, the maximum carbon content (C) is 0.20%, silicon (Si) content is no more than 0.55%, manganese (Mn) content is at most 1.60%, and the maximum content of phosphorus (P) and sulfur (S) is 0.035%.

Mechanical Properties2

Yield Strength: For SM490YA, it is 365 N/mm² (minimum) when the thickness is ≤16 mm, and 355 N/mm² (minimum) for SM490YB in the same thickness range. As the thickness increases, the yield strength decreases. For example, for SM490YA, it is 335 N/mm² (minimum) in the thickness range of 40 - 75 mm and 325 N/mm² (minimum) in the range of 75 - 100 mm.

Specification we supply：

 

 

 

Applications2

These steel plates are super - heavy steel plates for the welded structure of bridges and highway construction. They are suitable for applications that require high strength and good weldability, such as in the construction of large - span bridges and high - load - bearing highway structures.

Price

The price of JIS G3106 SM490Y A/B high - strength structural steel plates varies by region, manufacturer, order quantity, and plate thickness. Generally, the price per ton is between $550 and $7604. For example, on Alibaba.com, the price range is $550 - $760 per ton for a minimum order of 5 tons4. The specific price needs to be negotiated with the supplier according to the actual purchase situation.

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 JIS G 3106 SM490Y A/B High Strength Structural Steel Plates, High Strength 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.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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