HRPO / CRCA COILS

HRPO COILS

Hot rolled pickled and oiled (HRPO) steel is a type of steel that undergoes a pickling and oiling process after being hot rolled. The pickling process removes scale and rust from the steel’s surface, while the oiling process applies a protective layer of oil to prevent rust from forming in the future. HRPO steel sheets and coils have improved workability and ductility, creates cost-saving opportunities associated with downstream processing like bending, forming, welding, laser cutting, and painting.

  • Thickness                              1.6 mm – 6 mm
  • Width                                    900 mm – 2000 mm

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HRPO Chemical composition and Mechanical properties
C % Mn % S % P % Al % N % YS (Mpa) UTS (Mpa)
Grade Min 0.02
Specification:IS1079_2017 HR2 Max 0.1000 0.45 0.035 0.04 0.012 420

CRCA COILS

CRCA means cold rolled close annealed, as said before that metal is rolled in temperature below recrystallization level, cold rolled are much harder and have smootherfinish than hot rolled metal

CRCA (Cold Rolled Close Annealed Coils ) Specifications: As per IS: 513

  • Thickness              0.35 mm – 4 mm
  • Width                    1250 – 1500 mm
Grade Chemical Composition % (Max)
C Mn S Ph Tensile Yield (Mpa) YS(MPA) (Max) Elongation % (Min) Hardness HRB
Ordinary 'O' 0.15 0.60 0.55 0.55 - - - -
Drawing 'D' 0.12 0.50 0.40 0.40 270-410 280 28 65
Deep Drawing "DD" 0.10 0.45 0.35 0.35 270-370 250 32 57
Extra Deep Drawing "EDD" 0.08 0.40 0.03 0.03 270-350 220 36 50
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