Profile
Products for OEM
Tata Shaktee GC
Tata steelium CR
Technology
Contact Us
Business Query
What's New
Home
   

Hot Rolled Products Cold Rolled Products Galvanised Products

  

Cold Rolled Products
 
Physical Profile
Width : 800 - 1560 mm
Thickness : 0.25 - 3.20 mm
Inner diameter   : 508 mm
Outer diameter : 1900 mm max

Thickness Tolerance
+/- 0.5% of Nominal Thickness at centre line for 98.5% of the coil length

Width Tolerance

Edge Type Nominal Thickness
(mm)
Width Range
(mm)
Width Tolerance
(mm)
Mill Edge

-

1000 to 1250 -0,+3
 

-

>1250 -0,+3
Slit Edge 0.30 to .60

-

+0.3/-0
  >0.60

-

+0.5/-0

Shape Tolerance

Camber   Flatness
2mm OVER 2000 mm   Best possible - 20 | units - without Tension levelling
    Best possible - 2 | units - with Tension levelling

 

Mechanical Properties
Grade Hardness
YS Range UTS Range

% Elongation

r-Bar n-Value
  (HRB) (MPa) (MPa) on 50mm GL on 80mm GL     
IF 28-36 130-160 275-305 48 min 42 min 1.8 min 0.22min
EDD 34-45 130-180 275-315 44 min 38 min 1.6 min 0.2 min
D/DD 45-55 150-240 275-375 35 min 28 min 1.3 min 0.18 min
CQ 50-60 - - - - - -

 

Surface Finish Oiling
Type of Finish Surface Roughness (Ra) Processing Line Oiling Levels
Bright 0.5 max At Skinpass Mill Average 1000 mg/sqm
Dull* 0.6 to 1.6 At Recoiling line 30-1750 mg/sqm
*Restricted range possible on prior agreement 
           
Surface Characteristic    
Rz 4-6 Microns      
Rmax 6.5 micron max  
PPI 150 min      

 

Grade Specifications
   IS 513 JIS G3141 BS 1449 DIN 1623 ASTM* EN 10130
Commercial Quality O SPCC CR4 CQ FEP01
Drawing Quality D SPCD CR3 St 12,13 CQ FEP03
Deep Drawing Quality DD SPCE CR2 St 14 DQ FEP03
Extra Deep Drawing Quality (Al Killed, Non Ageing) EDD SPECEN CR1 EDDQ FEP04
Extra Deep Drawing* Quality (IF Grde)* FEP05
Super Extra Deep Drawing Quality (IF Grade)  
    
High tensile grades available as per customer's specifications on mutual agreement
*ASTM = A366/A366M/A619/
A619M/A620/A620M
          
*Available against own specifications.

Top


PROFILE :: PRODUCTS FOR OEM :: TATA STEELIUM CR :: TECHNOLOGY :: CONTACT US :: BUSINESS QUERY :: WHAT'S NEW :: HOME