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Help CenterSteel Coil & Strip & Hot Rolled Coil，Q235B、Q355B、SS400、S235JR、S355JR、A36、SPHC、SPHD
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Hot Rolled Coil is basic flat steel product coiled after rough rolling and finish rolling above metal recrystallization temperature using continuous‑cast steel slab as raw material. With excellent ductility, stable weldability and good formability, Hot Rolled Coil features cost‑effective comprehensive production cost, serving as indispensable raw material for steel‑structure manufacturing, mechanical processing, pipe production and cold rolling deep processing. Hot Rolled Coil is mainly divided into Hot Rolled Steel Coil and Hot Rolled Steel Plate. Different materials and specifications of Hot Rolled Coil adapt to steel‑structure components, stamping parts, welded pipe production, chassis accessories and pressure‑vessel shells. With complete material grades and sufficient stock,Hot Rolled Coil supports deep‑processing customization including leveling & shearing, slitting, pickling & oiling, sandblasting & rust removal and fixed‑length cutting. As coil form for convenient subsequent slitting and leveling processing with high processing flexibility, Hot Rolled Steel Coil is the most versatile Hot Rolled Coil. Produced by leveling hot‑rolled coils, Hot Rolled Steel Plate owns flat and regular surface for direct blanking, widely used for steel‑structure cutting, equipment base and pressure‑vessel panel. Conventional thickness of Hot Rolled Coil ranges 1.2‑25.4mm, width 600‑2000mm, coil weight 3‑30 tons, inner diameter 508/610/760mm. Main grades include Q235B, Q355B, SS400, S235JR, A36, SPHC. Delivery states: black original coil, pickled & oiled. Every coil passes mechanical property test and full dimension inspection. All Hot Rolled Coil comply with GB/T3274, GB/T709 national standards as well as EN10025, ASTM A36, JIS G3101 foreign‑trade standards. Enterprises for steel‑structure, machinery and pipe manufacturing can select Hot Rolled Steel Coil and Hot Rolled Steel Plate according to strength grade, processing technology and surface requirements, giving full play to advantages of good ductility, easy welding, large‑volume supply and high cost‑performance of Hot Rolled Coil to guarantee efficient project production.
1. Material Grade & Model
Common Hot Rolled Coil Grades: Q235B, Q355B, SS400, S235JR, S355JR, A36, SPHC, SPHD
Hot Rolled Steel Coil Models: carbon‑steel & low‑alloy series, available for slitting, leveling and pickling, suitable for welded pipes, cold‑rolling raw material and stamping parts;
Hot Rolled Steel Plate Models: mainly Q235B, Q355B, leveled flat surface for direct cutting blanking, suitable for steel‑structure and equipment housing; All grades comply with GBT3274‑2017 national standard, also satisfying EN10025, ASTM A36, JIS G3101 foreign‑trade standards, supporting customized high‑strength and deep‑drawing grades.
2. Product Grades and Classification
- Ordinary Carbon Hot Rolled Coil: Q235B, SS400, S235JR, good ductility & weldability, for general steel structures, guardrails, welded pipes and common stamping parts
‑ Low‑Alloy High‑Strength Hot Rolled Coil: Q355B, S355JR, A572Gr50, high strength, for heavy‑load steel structures, construction machinery and vehicle chassis components
‑ Deep‑Drawing Hot Rolled Coil: SPHC, SPHD, excellent elongation, for complex stamping forming parts
‑ Compliance Standards: GB national standard, EN European standard, ASTM American standard, JIS Japanese standard, suitable for domestic manufacturing and import‑export trade orders
3. Execution Standards
- GB/T 3274‑2017 Hot‑rolled carbon and low‑alloy structural steel plates and strips
‑ GB/T 709‑2019 Dimensions, shape, weight and tolerances for hot‑rolled steel plates and strips
‑ EN 10025 European standard for structural steel
‑ ASTM A36/A572Gr50 American carbon & low‑alloy structural steel standard
‑ JIS G3101 / G3131 Japanese hot‑rolled structural steel & pickled strip standard
‑ Original mill certificates and mechanical‑property reports are available, supporting SGS/BV third‑party authoritative inspection and acceptance.
4. Core Specifications and Parameters
Hot Rolled Coil ‑ Hot Rolled Steel Coil: Thickness 1.2‑25.4mm; Width 600‑2000mm; Coil weight 3‑30 tons; Inner diameter 508/610/760mm; for slitting, leveling, welded pipes, cold‑rolling raw material and stamping processing;Hot Rolled Coil ‑ Hot Rolled Steel Plate: Thickness 1.2‑25.4mm; Width 600‑2000mm; Length 1000‑12000mm; leveled flat surface; for steel‑structure blanking, equipment base and vessel panels; Full‑series Hot Rolled Coil supports leveling, longitudinal slitting, pickling‑oiling, sandblasting‑rust‑removal and fixed‑length cutting customization.Hot Rolled Steel Coil in coil form enables flexible deep‑processing with sufficient stock, suitable for pipe mills, cold‑rolling plants and large‑batch processing projects;Hot Rolled Steel Plate delivers flat surface for direct blanking without secondary leveling, shortening working procedures and serving as preferred plate for steel‑structure projects.
5. Classification & Performance Characteristics
- Hot Rolled Steel Coil: Formed by high‑temperature rolling and coiling with uniform metallographic structure, high ductility and excellent performance for welding, bending and stamping. Coil form facilitates storage, transportation and various subsequent deep‑processing, adapting to multi‑procedure processing scenarios.
- Hot Rolled Steel Plate: Produced by leveling, flattening and edge‑cutting hot‑rolled coils, owning straight surface, regular dimension and well‑controlled residual stress, available for direct plasma cutting, flame cutting and welding assembly.
- Delivery State: black hot‑rolled original coil, pickled & oiled; sandblasting and rust‑removal pretreatment optional;
‑ Both Hot Rolled Steel Coil and Hot Rolled Steel Plate support customized production according to customer drawing dimension and special mechanical‑property requirements.
6. Main Applications
Hot Rolled Coil is the most fundamental flat‑steel raw material in industry, widely used for steel‑structure engineering, mechanical‑equipment manufacturing, welded‑pipe production, auto chassis parts, pressure‑vessel shells, guardrail & tower frames, cold‑rolling substrate and hardware stamping. Hot Rolled Steel Coil is mainly used for longitudinal slitting, leveling processing, welded‑pipe manufacturing, cold‑rolling raw material and various stamping components. With strong processing adaptability, it is the most‑consumed Hot Rolled Coil for pipe and cold‑rolling industries. Hot Rolled Steel Plate is mostly applied for steel‑structure components, equipment bases and machinery housing panels, realizing direct cutting‑forming to reduce processing procedures and improve production efficiency. Enterprises for steel‑structure, mechanical processing and pipe manufacturing can select models accurately according to processing method, strength demand and surface condition. Relying on complete grades, stable mass supply and outstanding cost‑performance of Hot Rolled Coil, raw‑material cost can be effectively controlled and stable product quality is guaranteed.
7. Packing, MOQ & Lead Time
- Packing: Hot Rolled Coil fastened by steel strips with end‑protection and rain‑proof & moisture‑proof wrapping, clearly marked with steel grade, specification and heat number, suitable for long‑distance land and sea transportation;
- MOQ: 5 tons minimum order quantity, mixed ordering of Hot Rolled Steel Coil and Hot Rolled Steel Plate supported, small‑batch sample orders and large‑scale engineering‑project procurement acceptable;
- Lead Time: 5‑10 days for regular in‑stock specifications; 12‑20 days for special high‑strength and pickling deep‑processing customized orders. Full set of qualification documents and test reports are provided, supporting third‑party inspection and applicable to FOB, CIF, DAP and other foreign trade terms.
8. Product Advantages
Hot Rolled Coil adopts mature high‑temperature rolling technology with high production efficiency, balanced comprehensive performance in ductility, toughness and weldability, adapting to multiple processing methods such as bending, stamping and welding;
2. Hot Rolled Steel Coil supplied in coil form facilitates slitting, leveling, pickling and other deep‑processing with high material utilization rate, fit for large‑scale factory continuous production;
3. Hot Rolled Steel Plate is leveled and flattened with flat surface for direct cutting blanking, eliminating secondary leveling procedure for coils and shortening production cycle;
4. Full‑series Hot Rolled Coil follows national and international standards with stable mechanical properties and traceable materials, high acceptance rate for engineering projects and stable large‑volume supply capacity.
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