HOT ROLLED COILS
HOT ROLLED COILS
As Rolled
Slitted
Cut to Length (CTL)
Thickness Range: 1.20 to 8.00 mm
Width Range:- 24 to 520 mm
PARAMETER REMARKS
Coil I.D. 490 to 510 mm
Coil O.D. 1000 to 1500 mm
Thickness Range 1.20 to 8.00 mm
Thickness Tolerance 2.50 mm & above : (+) / (-) 0.05
2.10 mm to 2.49 mm  :  (+) / (-) 0.06
1.80 mm to 2.09 mm  :  (+) / (-) 0.07
Below 1.80 mm : (+) / (-) 0.10
Width Range   As Rolled : 150 mm to 520 mm , Slitted : 24 mm to 450 mm
Width Tolerance As Rolled : (-) / (+) 6 mm , Slitted : (+) / (-) 0.50 mm
Cut to Length (CTL) Minimum : 1000 mm Maximum : 3000 mm
Camber As per BIS
Coil Condition The coils will be supplied in as rolled condition without any skin passing, oiling, annealing and normalizing. - Coil may be without tongue, but with fish tail. The edges will be mill edges
Packing 01/02 No. of Circumstantial bands and 01/02 no. of bands through the  eye (As per requirement).
Marking Each coil will have following details marked with paint :-
1. Coil number
2. Coil Size:- Width x Thickness
 
Specification   Grade Chemical Composition     Mechanical Properties  
Yield Strength  Ultimate Tensile Strength Elongation % Internal diameter of bend
    C %max Mn %max P %max S %max Si %max Mpa (Min) Mpa  (Min)    
   
IS:10748/2004 I 0.10 0.50 0.040 0.040 For semi killed Quality Si content shall be 0.08% max 170 290 30 T
II 0.12 0.60 0.040 0.040 210 330 28 2T
III 0.16 1.20 0.040 0.040 240 410 25 2T
IV 0.20 1.30 0.040 0.040 275 430 20 3T
V 0.25 1.30 0.040 0.040 310 490 15 3T
                  35 65 HRB max
                  38 55 HRB max
 T = Normal Thickness of test piece.
COMING SOON
IS:1079 / 2009
Specification   Chemical Composition     Mechanical Properties    
Grade C %max Mn %max P %max S %max Tensile Strength Rm2 Max Mpa Percentage Elongation after Fracture A 3,4 min
t<3 t>3
  Gauge Length Lo = 80mm Gauge Length Lo = 50mm Gauge Length Lo =5.65 So mm Gauge Length Lo = 50mm
IS:1079/2009 Ordinary(HR0) 0.25 1.70 0.050 0.045 * * * * *
Commercial(HR1) 0.15 0.60 0.050 0.035 440 23 28 28 29
Drawing(HR2) 0.10 0.45 0.040 0.035 420 25 26 30 31
Deep Drawing (HR3) 0.08 0.40 0.035 0.030 400 28 29 33 34
Extra Deep Drawing(HR4) 0.08 0.35 0.030 0.030 380 31 32 36 37
 
IS:2062 / 2011
Specification   Grade Chemical Composition Mechanical Properties
Quality Ladle Analysis, %Max Tensile Strength Rm Min Mpa Yield Stress (t<20) Percentage Elongation A, at Gauge Length, L =5.65  S Min Internal Bend Diameter Min Charpy Impact test 
  C %max Mn %max S %max P %max Si %max
IS:2062/2011 E-250 A 0.23 1.50 0.045 0.045 0.40 410 250 23 2t - -
BR 0.22 1.50 0.045 0.045 0.40 RT 27
BO 0.22 1.50 0.045 0.045 0.40 0 27
C 0.20 1.50 0.040 0.040 0.40 (-) 20 27
E-300 A 0.20 1.50 0.045 0.045 0.45 440 300 22 2t - -
BR 0.20 1.50 0.045 0.045 0.45 RT 27
BO 0.20 1.50 0.045 0.045 0.45 0 27
C 0.20 1.50 0.040 0.040 0.45 (-) 20 27
E-350 A 0.20 1.55 0.045 0.045 0.45 490 350 22 2t - -
BR 0.20 1.55 0.045 0.045 0.45 RT 27
BO 0.20 1.55 0.045 0.045 0.45 0 27
C 0.20 1.55 0.040 0.040 0.45 (-) 20 27
E-410 A 0.20 1.60 0.045 0.045 0.45 540 410 20 2t - -
BR 0.20 1.60 0.045 0.045 0.45 RT 25
BO 0.20 1.60 0.045 0.045 0.45 0 25
C 0.20 1.60 0.040 0.040 0.45 (-) 20 25
E-450 A 0.22 1.65 0.045 0.045 0.45 570 450 20 2.5t - -
BR 0.22 1.65 0.045 0.045 0.45 RT 20
E-550 A 0.22 1.65 0.020 0.025 0.50 650 550 12 3.0t - -
BR 0.22 1.65 0.020 0.025 0.50 RT 15
E-600 A 0.22 1.70 0.020 0.025 0.50 730 600 12 3.5t - -
BR 0.22 1.70 0.020 0.025 0.50 RT 15
Specification   Grade Chemical Composition
  C %max Mn %max P %max S %max Si %max Al %min
Medium Carbon Steels (Strapping Quality)  MC 30 0.26-0.35 0.60-0.90 0.04 0.04 0.15-0.35 0.02
 MC 40 0.36.0.45 0.60-0.90 0.04 0.04 0.15-0.35 0.02
 MC 45 0.41-0.50 0.60-0.90 0.04 0.04 0.15-0.35 0.02
 MC 50 0.46-0.55 0.60-0.90 0.04 0.04 0.15-0.35 0.02
 MC 55 0.51-0.60 0.60-0.90 0.04 0.04 0.15-0.35 0.02
MC 60 0.56-0.65 0.60-0.90 0.04 0.04 0.15-0.35 0.02
COMING SOON
Specification   Grade % Chemical Composition (Ladle)
  C (Max) Si (Max)  Mn Cr Ni P (Max) S (Max) N (Max) Other Elements
Stainless Steel 301 0.15 1.00 2.00 max 16.00-18.00 6.00-8.00 0.045 0.030 0.10 -
301 L 0.03 1.00 2.00 max 16.00-18.00 6.00-8.00 0.045 0.030 0.20 -
304 0.07 0.75 2.00 max 17.5- 19.5 8.00-10.50 0.045 0.030 0.10 -
304 L 0.03 0.75 2.00 max 17.5- 19.5 8.00-12.00 0.045 0.030 0.10 -
310 S 0.08 1.50 2.00 max 24.00-26.00 19.00-22.0 0.045 0.030 - -
316 0.08 0.75 2.00 max 16.00-18.00 10.00-14.00 0.045 0.030 0.10 Mo2.0-3.0
316 L 0.03 0.75 2.00 max 16.00-18.00 10.00-14.00 0.045 0.030 0.10 Mo2.0-3.0
321 0.08 0.75 2.00 max 17.00-19.00 9.00-12.00 0.045 0.030 0.10 Ti=5x(C+N)Min/0.70 max
201 0.15 1.00 5.50-7.50 16.0-18.0 3.50-5.50 0.060 0.030 0.25 -
204 CU 0.15 1.00 6.50-9.00 15.5- 17.5 1.50-3.50 0.060 0.030 0.25 Cu 2.0-4.0
410 S 0.08 1.00 1.00 max 11.50-13.50 0.60 max 0.040 0.030 - -
420 0.15 1.00 1.00 max 12.00-14.00 0.75 max 0.040 0.030 - Mo 0.5 max
430 0.12 1.00 1.00 max 16.00-18.00 0.75 max 0.040 0.030 - -
 
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