Carbon Steel Coil

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Q235 Carbon Steel Coil

Product Introduction

Basic Classification & Identification
ParameterDescription / Options
Product FormCarbon Steel Coil (Hot Rolled Coil / Cold Rolled Coil)
Surface FinishBlack painted, PE coated, galvanized, color coated, anti-rust varnished, anti-rust oiled, checkered
Delivery ConditionCoil form (slit or mill edge) / Cut-to-length sheets / Full hard / Annealed / Tempered
PackagingStandard sea-worthy packing (VCI paper, moisture-proof kraft, PE film, galvanized steel cover)
MarkingMill label: Grade, Dimensions, Heat Number, Coil ID, Net/Gross Weight
Dimensional Specifications
Hot Rolled Carbon Steel Coil
ParameterTypical RangeTolerance
Thickness1.5 mm – 25.4 mm±5%
Width (Mill Edge)720 mm – 1,860 mmAs per ASTM A635/A1018
Width (Cut Edge)30 mm – 720 mm (strip); up to 2,200 mm (plate)As per ASTM A635
Coil Inner Diameter (ID)508 mm, 610 mm, 762 mm±2.0 mm
Coil Outer Diameter (OD)900 mm – 2,200 mm±10 mm
Coil Weight10 – 35 metric tons (dependent on thickness/width)As agreed
Cold Rolled Carbon Steel Coil
ParameterTypical RangeTolerance
Thickness0.30 mm – 3.20 mm±0.03 mm to ±0.08 mm (grade dependent)
Width (Coil)850 mm – 1,575 mmAs per ASTM A1008/A1008M
Width (Strip)7 mm – 850 mmAs per ASTM A1008
Coil Inner Diameter (ID)506 mm or 610 mm±2.0 mm
Coil Weight5 – 25 metric tonsAs agreed
Surface Quality & Finish
ParameterHot Rolled CoilCold Rolled Coil
Standard SurfaceDark gray (mill scale)Matte finish, oiled (standard)
Surface ConditionAs-rolled, may be oiled for rust protectionSmooth, bright finish; oiled to prevent corrosion
Surface Quality StandardASTM A1018 / A635ASTM A1008 / A568
Edge TypeMill edge (standard) / Slit edge (trimmed) / DeburredMill edge / Slit edge
Defect LimitsNo cracks, blisters, or laminationsVisible defects within ASTM A568 limits
Optional CoatingsAnti-rust varnished, PE coated, galvanized, color coatedZinc coated, galvannealed, electro-galvanized

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