0102030405
Hot Rolled Carbon Steel Sheet Q235
Welding Performance
Q235 steel has a low carbon equivalent and excellent weldability. It can be joined using a variety of common welding methods, including arc welding, gas shielded welding, and submerged arc welding. The welded joints offer consistent and reliable quality, making it a preferred material for steel structure welding.
Cold Bending and Stamping
This combination of plasticity and toughness gives it excellent cold-forming capabilities, making it easily adaptable to processes such as bending, stamping, and rolling, meeting the demands of manufacturing complex structural parts.
Mechanical Properties
It offers an excellent balance of strength (yield strength ≥ 235 MPa, tensile strength 370-500 MPa) and plasticity (elongation A ≥ 26%), effectively withstanding loads, impacts, and deformation.
Economical
With relatively low raw material costs and a mature and efficient production process, Q235 hot-rolled plate offers a highly competitive price while meeting basic performance requirements, making it an ideal choice for project cost control.
Processing technology
Hot rolling is a technology that rolls metal at high temperature, so that the metal changes from liquid or semi-liquid to solid, so as to obtain the desired shape and size.
As the most basic and widely used carbon structural steel, its production process is extremely mature, its quality is highly stable, and its supply chain is complete.
Heating: Continuously cast slabs or blooms are uniformly heated in a heating furnace to an austenitizing temperature of approximately 1200-1250°C.
Roughing: The hot slabs undergo multiple passes in the roughing mill with high reductions to initially reduce thickness and improve microstructure uniformity.
Finishing: The slabs enter the finishing mill, where they are rolled to the target thickness under higher control precision. Finishing rolling is typically performed at higher temperatures.
Cooling: The rolled steel plate passes through a laminar flow cooler, cooling it at a precisely controlled rate to the coiling temperature (typically between 550-700°C). The cooling rate has a decisive influence on the microstructure and properties (strength and toughness) of the final product.
Coiling (coil) or straightening and cutting (for medium and heavy plate): For thinner gauges (typically ≤25mm), the hot-rolled steel plate is coiled into coils (hot-rolled coils). Thicker steel sheets (typically >25mm) are straightened and cut into single sheets of cut-to-length (hot-rolled medium and heavy plates).
Finishing: This includes uncoiling, straightening, and cross-cutting or longitudinal slitting (i.e., flattening) the coil to the desired flat sheet size. Alternatively, the medium and heavy plates may undergo surface inspection, grinding, and flaw detection.
Application
Building Steel Structures: This is the largest consumer of Q235 hot rolled plate. It is widely used in industrial plants (beams, columns, purlins, and wall frames), large public buildings (stadiums, airports, and exhibition halls), high-rise buildings (non-core load-bearing components), bridges (auxiliary structures and bridge deck systems), transmission and transformation towers, and building formwork support systems. Its excellent weldability and strength meet the requirements for safe and efficient steel structure construction.
Construction Machinery and Heavy Equipment: Hot rolled steel plate is used in the manufacture of frames, platforms, covers, hoppers, buckets (non-wear-resistant parts), and bases for equipment such as excavators, loaders, cranes, and bulldozers. Reliability and cost-effectiveness are key considerations.
Agricultural Machinery: Frames, housings, and granaries for tractors and harvesters.
Agricultural Machinery: Frames, housings, and granaries for tractors and harvesters.
Automotive Manufacturing: Primarily used for non-exposed load-bearing or supporting structural components such as longitudinal beams, crossbeams, floor panels, side panels, various brackets, and reinforcement plates in trucks, buses, and agricultural machinery. Its strength and formability meet required specifications.
Container Manufacturing: Carbon steel plate is the primary material for standard dry cargo container side panels, roof panels, door panels, bottom crossbeams, and other components. It requires excellent strength, rigidity, and weldability.
Storage and Transportation Equipment: Hot rolled carbon steel plate is used in the manufacture of various storage tanks (non-pressurized or low-pressure), silos, logistics transport pallets, and large packaging boxes.
Energy and Power: Hot rolled sheet is used in coal handling trestles and boiler guards in thermal power plants; internal platforms and supports for wind turbine towers; and structural supports for substations.
Basic Hardware and Metal Products: Carbon steel sheet is widely used in shelving, workbenches, filing cabinets, security door linings, standard welded pipes, and stamped parts (such as flanges, gaskets, and simple covers).
Why choose our Q235 hot-rolled sheet?
As a professional service provider with many years of experience in the steel trade, we understand that our customers' needs extend far beyond the product itself. Choosing us ensures comprehensive value:
Complete Specifications: We cover the full range of commonly used specifications and widths (1000mm-2500mm), from thin plates (starting at 1.2mm) to extra-thick plates (150mm). With ample coil resources and robust flat-rolling capabilities, we can quickly respond to your dimensional needs, minimizing your capital investment and waiting time.
Direct Sourcing, Guaranteed Quality: We have established long-term strategic partnerships with several large and well-known steel groups (such as Baowu, Ansteel, Hesteel, Shagang, and Shougang), ensuring that every batch of Q235 hot-rolled plate is sourced from reputable steel mills and channels, ensuring consistent and reliable quality and full compliance with national standards such as GB/T 700-2006. Our rigorous quality inspection process (including dimensional, surface, and warranty verification) ensures your project is a success.
Transparent and Competitive Pricing: Leveraging our extensive procurement scale and efficient logistics system, we continuously secure superior resources and offer you the most competitive prices for hot-rolled Q235 steel in the industry. Daily updated market quotes ensure transparency and fairness, helping you effectively control procurement costs.
Complementary Processing, One-Stop Service: Whether you require simple flattening and cut-to-length processing, or complex, custom-shaped parts, we offer professional, efficient, and precise solutions.
Professional Team, Attentive Service: Our experienced sales and technical support team can provide expert product selection advice and technical consultation based on your specific application scenario (e.g., structural stress conditions, welding requirements, processing methods, and service environment), helping you select the right materials and mitigate potential risks. We provide comprehensive pre-sales, in-sales, and after-sales support, eliminating any worries.
Act now to reap your exclusive advantages:
Get an accurate quote: Please send us your detailed requirements (specifications: thickness, width, length/required roll weight, material standards, quantity, surface requirements, processing requirements, and delivery location). We guarantee a competitive quote within 24 hours!
Get professional advice: Have questions about material selection, processing techniques, or technical standards? Our team of engineers is ready to provide free, professional consulting services.
Request a free sample: See for yourself and verify the superior quality of our products.
Visit: Visit our warehouse and processing center for a first-hand tour to experience our capabilities and service.
Secure resources: Market conditions fluctuate frequently. Contact us to lock in current competitive prices and in-stock resources to ensure the smooth progress of your project.
You Can Contact Us Here !
For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.
inquiry
now
Quotation Questions ◢
-
Q.
What is the difference between Q235 hot-rolled plate and Q345 hot-rolled plate? How should I choose?
-
Q.
What is the difference between hot-rolled Q235 plate and cold-rolled SPCC plate?
-
Q.
Does the surface oxide scale on hot-rolled steel need to be treated?
-
Q.
How do I calculate the weight of Q235 hot-rolled plate?
-
Q.
What is the minimum order quantity? Do you support small-batch purchases or sample requests?
A.We fully understand our customers' diverse purchasing needs:In-Stock Purchases: For standard specifications, we offer flexible minimum orders (typically 1 ton), greatly facilitating small-volume orders.Processing Services: Minimum purchase requirements may apply depending on the type and complexity of the process; please inquire for details.Sample Request: Request a free sample! We offer free samples (freight collected or at your own expense) to help you verify the material, specifications, and surface quality. Please contact Customer Service to obtain a sample request form.