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Help CenterSteel Billet & Forging Steel Billet，Q195、Q235、Q215、Q355、Q390、Q420、Q460、10#、20#、35#、45#
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1. Product Overview
Steel billet is a semi-finished steel product produced after steel smelting, serving as the core raw material for steel rolling, forging and deep processing. It is solidified and formed from qualified molten steel through continuous casting and mold casting processes. Featuring uniform texture, low impurity content, stable performance and excellent ductility, steel billet is an essential intermediate product in the steel industry chain. It can be further processed into plates, profiles, pipes, bars and wires via rolling, forging and extrusion technologies. Widely used in infrastructure construction, industrial manufacturing, machinery and hardware industries, steel billet is one of the most versatile and high-demand basic steel materials in global steel trade.
Our company supplies a full range of high-quality steel billets with mature production technology and stable quality. We support bulk supply and customized specifications and materials, complying with mainstream domestic and international standards to meet the procurement needs of global processing factories and engineering projects.
2. Core Product Classification
According to molding technology, cross-sectional shape and application purposes, our main foreign trade steel billets are divided into three core categories, covering most overseas procurement scenarios:
2.1 Square Steel Billet
Square steel billet is solid steel with a square cross-section. It features high processing precision, regular section, smooth surface, and dense internal structure without porosity or bubbles. It is mainly used for rolling deformed steel bars, round bars, angle steel, channel steel, square tubes and other profiles. It is the most widely used billet for building infrastructure and mechanical manufacturing with the largest export volume and universality.
2.2 Rectangular Steel Billet (Slab Billet)
Rectangular slab billet is flat steel with a rectangular cross-section, characterized by flat surface, uniform thickness and high dimensional accuracy, which is suitable for flat steel rolling and deep processing. It is commonly used to produce hot-rolled steel plates, cold-rolled steel plates, patterned plates, medium and heavy plates, and steel strips, widely applied in industrial equipment, automobile manufacturing, shipbuilding and pressure vessel industries.
2.3 Round Steel Billet
Round steel billet is solid steel with a perfect circular cross-section with accurate roundness and concentricity. It has uniform internal texture and excellent plasticity and forgeability. It is mainly used for rolling round steel, seamless steel pipes, shaft parts, fasteners and mechanical forgings, catering to high-precision machinery, hardware and sophisticated equipment manufacturing fields.
3. Main Material Grades
Our product range includes ordinary carbon steel, high-quality carbon steel and low-alloy steel, corresponding to GB, ASTM, JIS, DIN and other international standards to meet the processing and usage requirements of customers worldwide:
Ordinary Carbon Steel: Q195, Q215, Q235B, Q355B. High cost performance and strong versatility for conventional infrastructure and general steel processing.
High-quality Carbon Steel: 20#, 45#. Pure texture and excellent mechanical properties for mechanical forging and precision processing.
High-strength Low-alloy Steel: Q355NL, Q420, Q460. High strength and good toughness for heavy-duty engineering and high-end equipment manufacturing.
International Equivalent Grades: SS400, S235JR, S355JR, A36, 1018, 1045 and other grades compliant with global market standards.
4. General Specifications for Foreign Trade
4.1 Square Billet Specifications
Regular section sizes: 100×100mm, 120×120mm, 130×130mm, 150×150mm, 160×160mm, 180×180mm, 200×200mm. Standard lengths: 6m, 9m, 12m. Custom fixed lengths are available.
4.2 Rectangular Slab Billet Specifications
Regular thickness: 120mm–250mm. Regular width: 600mm–1500mm. Regular length: 6m–12m. Custom dimensions are available according to customers’ processing equipment parameters.
4.3 Round Billet Specifications
Regular diameter: 80mm–300mm. Standard length: 6m, 9m, 12m. Precise dimensional tolerance, suitable for high-precision rolling and forging processes.
4.4 Supply Forms
Original continuous-cast steel billets, fixed-length billets and finish-processed billets. We provide pre-processing services including surface polishing, derusting and precision cutting to reduce customers’ secondary processing costs.
5. Core Product Advantages
Pure and Stable Material: Manufactured with high-quality molten steel with strictly controlled sulfur, phosphorus and other harmful impurities. The internal structure is uniform and dense without porosity, shrinkage cavities, cracks or inclusions, ensuring a high finished product rate.
Excellent Mechanical Properties: All indicators including tensile strength, yield strength and elongation meet standard requirements. The billets have good toughness, plasticity and weldability, adapting to rolling, forging, cutting and welding processing.
High Dimensional Accuracy: Regular section, uniform length and controllable tolerance. Smooth and flat surface without burrs or deformation, suitable for automatic production lines.
Wide Versatility: Full coverage of types and specifications, capable of processing various profiles, plates, pipes and mechanical parts for multiple industries and application scenarios.
High Cost Performance: Direct supply from factory with no intermediate links, offering obvious price advantages for bulk orders. Sufficient stock and stable delivery.
6. Main Application Fields
As fundamental semi-finished steel products, steel billets cover a full range of downstream industries with extensive overseas terminal applications:
Construction & Infrastructure: Processed into rebars, round bars, angle steel, channel steel and steel pipes for buildings, bridges, roads, stadiums and municipal engineering projects.
Industrial Manufacturing: Processed into steel plates, strips, mechanical profiles, shafts, fasteners and forgings for general machinery, heavy equipment, molds and hardware products.
Transportation & New Energy: Suitable for steel deep processing for ships, bridges, rail transit, wind power supports and photovoltaic supporting equipment.
Pressure Vessel & Pipeline Industry: High-quality slab billets and round billets are used to manufacture industrial pipelines, pressure vessels and steel structural parts.
7. Quality Inspection & Certification
All steel billets undergo comprehensive and strict factory inspections, covering dimensional tolerance, surface quality, internal metallographic structure, mechanical properties and chemical composition to ensure zero defective delivery. We can provide complete foreign trade customs clearance documents including factory material test certificates, inspection reports, SGS third-party test reports and certificates of origin. Our products meet market access standards of the EU, Southeast Asia, the Middle East, America, Africa and other global regions, supporting customs clearance worldwide.
8. Foreign Trade Packaging & Logistics
8.1 Packaging Standards
Adopting exclusive export packaging standards, steel billets are neatly stacked and firmly bundled with high-strength steel strips with end protection to prevent collision, wear and deformation during transportation. For ocean freight orders, additional rust-proof and moisture-proof treatment is applied to adapt to long-distance sea, land and multimodal transportation, minimizing transportation losses. Customized shipping marks and labels are acceptable.
8.2 Delivery Capacity
Adequate factory stock supports 3–7 days delivery for small-batch orders. Stable production scheduling ensures on-time delivery for large full-container orders. We support all mainstream foreign trade terms including EXW, FOB, CIF and CFR. With mature cross-border logistics channels covering major global ports, we provide stable logistics efficiency and efficient customs clearance.
9. Customization Services
We support personalized customization including special cross-section sizes, fixed lengths and customized material ratios. We also provide deep processing services such as precision cutting, polishing, derusting and surface finishing. According to customers’ downstream processing technologies and terminal product requirements, we provide exclusive material selection solutions to meet one-stop raw material procurement and pre-processing needs.
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