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Help CenterSteel Coil & Strip & Hot Rolled Steel Coil，Q195、Q235B、SPHC、SS330、SS400、A36、Q355B（16Mn）、A572Gr50、S355JR、NM400、NM450、Q460、Q550
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1. Product Overview
Hot rolled steel coil (HR coil) is rolled and coiled continuously after steel slabs are heated to high temperature, rough rolled and finish rolled. Featuring high rolling efficiency, excellent ductility and weldability with cost advantages, it acts as the basic raw material for machining, steel structures, pipes and stamping parts.
2. Core Product Advantages
Complete specification range with wide thickness coverage to meet demands of thick plate, medium plate and stamping parts.
Good material ductility for bending, stamping, welding and cutting with stable cold & hot processing performance.
Sufficient production capacity and abundant stock of heavy coils for fast delivery, suitable for bulk export orders.
Pure chemical composition with low sulfur and phosphorus content, uniform mechanical indicators and small batch performance fluctuation.
Support secondary deep processing: leveling into flat sheets, slitting narrow strips, hot galvanizing, pickling and painting.
3. Main Executive Standards (Domestic & International Export Standards)
Domestic Standards
GB/T 700 Hot rolled carbon structural steel plates and strips
GB/T 1591 Hot rolled strips of high strength low alloy structural steel
GB/T 3274 Dimensions, shape, weight and allowable deviation of hot rolled steel plates
International Export Standards
ASTM A36 Carbon structural hot rolled plate for general use
ASTM A572 Gr50 High strength low alloy hot rolled coil
EN 10025 European standard hot rolled structural steel
JIS G3101 SS400, JIS G3131 SPHC
4. Common Material Grades
Ordinary Carbon Hot Rolled Coil
Q195, Q235B, SPHC, SS330, SS400, A36
HSLA Hot Rolled Coil
Q355B (16Mn), A572Gr50, S355JR
Wear-resistant & High-strength Special Hot Rolled Coil
NM400, NM450, Q460, Q550
5. Specification Range
Thickness: 1.5mm–25.0mm
Width: 900mm–1800mm
Single coil weight: 8 tons–32 tons, small coils available upon request
Standard inner diameter: 760mm, 860mm
Delivery condition: Black hot rolled, pickled hot rolled, controlled rolling & normalized state
Surface: Original black oxide scale, pickling service available to remove oxide layer
6. Complete Production Process
Slab incoming inspection → High temperature heating in walking beam furnace → High-pressure water descaling → Reciprocating rough rolling → Continuous finish rolling → Laminar cooling temperature control → Coiling → Strapping & marking → Warehouse storageSupporting deep processing flow: Master hot rolled coil → Leveler cutting (hot rolled flat plate) / Slitter longitudinal cutting (hot rolled narrow strip)
7. Quality Inspection Items (EN10204 3.1 Material Certificate Attached)
Dimensional inspection: Thickness, width, coil diameter, flatness, camber tolerance
Surface inspection: Defects including peeling, cracks, scratches, inclusions and oxide scale
Mechanical tests: Yield strength, tensile strength, percentage elongation, cold bending test
Chemical composition: Spectrum analysis of carbon, silicon, manganese, sulfur, phosphorus
Process tests: Cold bending & stamping forming test
8. Main Application Fields
Steel structure engineering: Factory steel beams, columns, supports, space trusses, embedded parts
Pipe industry: Raw material for welded pipes, spiral welded pipes & straight seam welded pipes
Machinery manufacturing: Equipment bases, cabinets, stamping structural parts, construction machinery accessories
Automobile industry: Truck girders, chassis parts, frame stamping components
Hardware stamping: Storage racks, warehouse equipment, hardware components, farm machinery parts
Container manufacturing: Atmospheric storage tanks, cabinets, ordinary pressure vessel shells
Deep processing substrate: Pickled coils, cold rolling base material, hot dip galvanized & prepainted base coils
9. Packaging & Export Logistics
Each steel coil wrapped with waterproof anti-rust paper inside and outside, bundled with steel strips, fixed on anti-slip wooden pallets to avoid moisture and collision during sea transportation.
Origin: Liaocheng, Shandong. Stock ready within 5-7 days, container loading at Tianjin Port. FOB, CIF, CFR trade terms acceptable.
Attached documents: EN10204 3.1 material certificate, factory inspection report, packing list, commercial invoice.
10. Customization Services for Hot Rolled Steel Coil
Custom rolling of non-standard thickness and width, customized sized flat plates & slit narrow strips
Surface treatment: Pickling, shot blasting, rust removal, pre-painting
Custom heat treatment: Controlled rolling, normalizing, tempered high-strength coils
One-stop deep processing including cutting, leveling, slitting and bending
Small batch sample orders and full container bulk export orders are both acceptable.
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