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. |
|