EN Low Alloy Steel Plate
Your Professional EN Low Alloy Steel Plate Supplier
Our goal is to become your true partner in the field of EN low alloy steel plate in China. Gnee Steel Group is committed to becoming the world's most internationally competitive supply chain group, meeting the different needs of different customers. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.
Why Choose Us
Our certification:
Our company has obtained SGS certification. We have also passed ISO9001 and ISO14001 environmental management system certification.
Quality control:
All our products are made of the highest quality materials and are subject to factory inspection, cargo inspection at any time.
Our capacity:
We have established long-term cooperative relationships with dozens of factories to ensure the production of our products, and our annual export volume exceeds 80,000 tons.
Our services:
In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance.
Advantages of EN Low Alloy Steel Plate
Increased strength: Low alloy steel is engineered to achieve higher strength than plain carbon steel due to the strategic addition of alloying elements such as chromium, molybdenum, and nickel.
Enhanced toughness: This steel category is noted for its toughness, which enables it to absorb energy and withstand impacts that would otherwise cause more brittle materials to fail.
Improved corrosion resistance: Although low in alloy content, specific elements like chromium and nickel in low alloy steel improve its resistance to corrosion beyond that of ordinary carbon steel.
Good weldability: Despite the enhancements in strength and toughness, low alloy steel maintains good weldability. This property is crucial for manufacturing and construction sectors, where welding is a common method of joining materials.
Cost efficiency: Low alloy steel provides a cost-effective alternative to both standard carbon steel and higher alloyed steel. It offers a balance between cost and performance by delivering improved mechanical properties without the expense of high alloy percentages.
EN Low Alloy Steel Plate Specification
|
Grade |
Chemical Composition(%) |
||||
|
C Max |
Si Max |
Mn Max |
P Max |
S Max |
|
|
EN10025-6 S550QL |
0.22 |
0.86 |
1.8 |
0.025 |
0.012 |
|
Grade |
Mechanical Property |
|
|||
|
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
|
|
EN10025-6 S550QL |
590-820 |
490-550 |
16 |
-0,-20,-40,-60 |
|
Steel plate after tempering can achieve a yield strength greater than 690mpa. Corresponding to the national standard is high strength structural steel. It is used for the manufacture of key components with low temperature resistance and high strength, construction machinery, mining machinery structure and so on.
Application of EN Low Alloy Steel Plate
Construction: Low alloy steel plates are widely used in construction for building structures, bridges, and heavy machinery. Their high strength and durability make them suitable for load-bearing components.
Infrastructure: Used in the construction of roads, railways, and pipelines where strength and resistance to environmental factors are crucial.
Chemical and petrochemical industry: Low alloy steels are used in the manufacturing of pressure vessels and reactors due to their ability to withstand high pressure and corrosive environments.
Vehicle components: In the automotive industry, low alloy steel plates are used for making parts such as chassis, frames, and other structural components that require a combination of strength and toughness.
Pipelines and equipment: These plates are employed in the oil and gas industry for pipelines, storage tanks, and other equipment that need to endure harsh conditions and exposure to corrosive substances.
Heavy machinery: Low alloy steel plates are used in mining and construction equipment such as bulldozers, excavators, and loaders. Their wear resistance is particularly valuable in these high-abrasion environments.
Power plants: These are used in the construction of power plant components, including boilers and turbines, where high strength and resistance to heat are required.
Manufacturing Process of EN Low Alloy Steel Plate
Raw material selection: The process begins with a blend of iron ore and other elements like carbon, manganese, chromium, molybdenum, niobium, vanadium, and titanium.
Melting and refining: The raw materials are melted in a blast or electric arc furnace to produce molten iron. The molten steel is refined in another furnace to remove impurities, particularly carbon, and to add specific alloying elements to achieve the desired grade. Processes like deoxidation and desulfurization are used to improve cleanliness and toughness.
Casting: The refined molten steel is cast into semi-finished forms called slabs using a continuous caster or an ingot mold. Controlled cooling during casting helps prevent surface defects and internal segregation.
Hot rolling: Slabs are reheated to a specific temperature before rolling.
Rolling passes: The hot slabs are passed through a series of rolling mills to gradually reduce their thickness and form the plate shape. This process aligns the microstructure to enhance strength and formability.
Cooling and heat treatment: The steel plate is cooled on a runout table using managed cooling rates to control residual stresses. Sometimes, an accelerated cooling process is used after rolling to increase tensile strength without additional heat treatment.
Packing and Shipping of EN Low Alloy Steel Plate
|
Packing |
Standard export packing (inside:water proof paper,outside:steel covered with strips and pallets) |
|
Shipping |
Shipped by road, sea, rail |
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