Contact Platform Support
Help CenterSteel Coil & Strip & Hot Rolled Steel Coil，Q195, Q235, Q355
Related Products
-
Steel Coil & Strip & Hot Rolled Steel Coil，Q195, Q235, Q355NegotiableMOQ: 5 Metric Tons -
Steel Coil & Strip & Hot Rolled Steel Coil，Q195, Q235, Q355NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Galvanized Steel Pipe，Q195、Q215、Q235、Q355（S235JR/S355JR）NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Galvanized Steel Pipe，Q195、Q215、Q235、Q355（S235JR/S355JR）NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Galvanized Steel Pipe，Q195、Q215、Q235、Q355（S235JR/S355JR）NegotiableMOQ: 5 Metric Tons
Detailed Description of Hot Rolled Steel Coil Products
I. Product Definition
Hot Rolled Steel Coil refers to a strip steel product made by taking slabs (mainly continuous casting slabs) as raw materials, heating them to an appropriate temperature in a heating furnace, continuously rolling them through a roughing mill and a finishing mill, cooling them to a specified temperature by laminar flow, and finally coiling them with a coiler. Its production process does not require additional cold rolling procedures. With the advantages of high efficiency and low cost, it has become one of the core steel products with large output and wide application in the steel industry, serving a variety of industrial fields.
II. Core Product Characteristics
Excellent Mechanical Properties: After high-temperature rolling, the internal grains of the steel are refined, with good strength, toughness and plasticity, which can meet the bearing and processing needs in different scenarios, not easy to brittle fracture, and suitable for various subsequent processing technologies such as bending, stamping and welding.
Diverse Surface States: According to different production processes, the surface can be divided into black surface (without pickling treatment, retaining rolled oxide scale, with a black-gray appearance) and pickled surface (after removing oxide scale, the surface is flat and smooth, without obvious defects, and can be directly used for subsequent processing), adapting to different appearance and processing requirements.
Flexible and Adjustable Specifications: According to customer needs, different thickness, width, length and coil weight can be customized. The thickness range is usually 1.5mm-20mm, the width range is 1000mm-1800mm, and the coil weight can be adjusted according to the actual application scenario, meeting the needs of mass production and personalized needs.
Significant Cost Advantage: Compared with cold rolled steel coils, the hot rolling production process is simpler, with lower energy consumption and production cost, and outstanding cost performance. It is suitable for large-scale and low-cost industrial applications, and is the preferred steel product with cost performance.
Good Corrosion Resistance Foundation: Ordinary hot rolled steel coils can greatly improve their corrosion resistance through subsequent treatments such as surface derusting, painting and galvanizing, adapting to complex working conditions such as humidity and outdoors; alloy hot rolled steel coils themselves have certain corrosion resistance and can be directly used in medium corrosion environments.
III. Main Specification Parameters
Parameter Category |
Specific Range/Description |
Thickness |
1.5mm-20mm (conventional specifications), special thickness can be customized |
Width |
1000mm, 1250mm, 1500mm, 1800mm (conventional), customization supported |
Coil Weight |
5-30 tons/coil, can be adjusted according to customer requirements |
Material |
Carbon steel (Q195, Q235, Q355, etc.), alloy steel, low carbon steel, medium carbon steel, etc. |
Implementation Standard |
National Standard (GB/T 709-2019), Industry Standard, adaptable to international standards (such as ASTM, JIS) |
Surface State |
Black Skin Coil (hot rolled original surface), Pickled Coil (pickling and phosphating treatment) |
IV. Application Scenarios
Due to its excellent performance and cost advantage, hot rolled steel coils are widely used in construction, machinery, automobile, home appliance, pipeline, steel structure and other fields, as follows:
Construction Industry: Used in the manufacture of steel structure workshops, scaffolding, floor slabs, steel beams, steel columns, walls, guardrails, etc. It is an indispensable basic steel in construction projects, which can bear large loads and ensure the stability of the building structure.
Mechanical Manufacturing Industry: As the raw material of mechanical parts, it is used to process machine tool bases, gears, bearings, engineering machinery parts (excavator, crane parts), etc. With good toughness and processability, it meets the use requirements of mechanical parts.
Automobile Industry: Used in the manufacture of automobile frames, chassis, wheels, carriages and other parts. Some pickled hot rolled steel coils can be used as cold rolling substrates, which are further processed into automobile outer panels and inner panels, taking into account both strength and economy.
Home Appliance Industry: Used in the manufacture of shells, liners, brackets of refrigerators, washing machines, air conditioners and other home appliances. The pickled hot rolled steel coil has a flat surface and can be directly sprayed and stamped, improving the appearance and durability of home appliance products.
Pipeline and Container Industry: Used in the manufacture of water supply and drainage pipelines, gas pipelines, pressure vessels, oil storage tanks, etc. It requires the steel to have good welding performance and pressure resistance. Hot rolled steel coils can meet relevant standards through subsequent processing.
Other Fields: Used in the manufacture of containers, shelves, agricultural machinery parts, hardware products, etc., adapting to a variety of mass production and personalized processing needs, and is a highly versatile steel product in industrial production.
V. Quality Standards and Inspection
This product is strictly produced in accordance with the national standard GB/T 709-2019 and the standards agreed by customers. Each batch of products has undergone strict inspection to ensure that the quality meets the standards. The main inspection items include:
Dimensional Inspection: The deviation of thickness, width, coil diameter and length meets the standard requirements to ensure accurate specifications;
Mechanical Performance Inspection: Indicators such as tensile strength, yield strength and elongation meet the standards to ensure the safety of product use;
Surface Quality Inspection: The oxide scale of the black skin coil is uniform, without obvious peeling, cracks and inclusions; the surface of the pickled coil is free of oxide scale, rust, scratches and other defects;
Chemical Composition Inspection: The material composition meets the agreed standards to ensure stable product performance and adapt to different application scenarios.
A quality inspection report is attached when the product leaves the factory, and third-party testing services can be provided to ensure that customers can use it with confidence.
VI. Product Advantages
High Cost Performance: The production process is simple, the cost is lower than that of cold rolled steel coils, and it reduces the customer's purchase cost while meeting the basic use requirements;
Good Processability: It can be directly bent, stamped, welded, sheared and other processing without complex pretreatment, improving processing efficiency;
Complete Specifications: It supports customization of products with different thickness, width and material, adapting to diverse application scenarios and meeting customers' personalized needs;
Stable Quality: Adopting advanced hot rolling production technology and strict quality control system, the product performance is uniform and the batch stability is strong;
Wide Application: Covering many industrial fields, it is highly versatile, can be supplied in batches, and is suitable for large-scale production needs.
VII. Storage and Transportation Instructions
Storage: It should be stored in a dry, ventilated and flat site, avoiding moisture, rain and exposure to the sun. Black skin coils should be prevented from rusting, pickled coils should be properly moisture-proof, and extrusion deformation should be avoided when stacking;
Transportation: Special transport vehicles (such as flatbed trucks, special coil steel trucks) should be used. During transportation, good fixation should be done to prevent the steel coil from rolling and colliding, avoid surface scratches and coil shape deformation, and ensure that the product is delivered intact.
According to the specific needs of customers, this product can provide value-added services such as customized production, slitting, leveling and surface treatment. Welcome to consult and negotiate, and we will provide you with high-quality products and professional services.
Send Inquiry to This Supplier
You May Also Like
-
Steel Pipe & Tube & Galvanized Steel Pipe，Q195、Q215、Q235、Q355（S235JR/S355JR）NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Precision Steel Pipe，GB/T 3639、GB/T 8162、GB/T 8163NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Precision Steel Pipe，GB/T 3639、GB/T 8162、GB/T 8163NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Precision Steel Pipe，GB/T 3639、GB/T 8162、GB/T 8163NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Precision Steel Pipe，GB/T 3639、GB/T 8162、GB/T 8163NegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Petroleum Cracking Pipe，20#、15CrMoG、12Cr1MoVG、Cr5MoNegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Petroleum Cracking Pipe，20#、15CrMoG、12Cr1MoVG、Cr5MoNegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Petroleum Cracking Pipe，20#、15CrMoG、12Cr1MoVG、Cr5MoNegotiableMOQ: 5 Metric Tons
-
Steel Pipe & Tube & Petroleum Cracking Pipe，20#、15CrMoG、12Cr1MoVG、Cr5MoNegotiableMOQ: 5 Metric Tons
-
Steel H Beam & Custom H Beam，Q235B、Q355B、Q355C、Q355D、S235JRI、S355JRNegotiableMOQ: 5 Metric Tons
