|
| Grade |
Specifications |
| |
IS 513 |
JIS G3141 |
BS 1449 |
DIN 1623 |
ASTM* |
EN 10130 |
| Commercial Quality |
O |
SPCC |
CR4 |
- |
A366
|
FEP01 |
| Drawing Quality |
D |
SPCD |
CR3 |
St 12 |
A619
|
FEP03 |
| Deep Drawing Quality |
DD |
SPCE |
CR2 |
St 13 |
A620
|
FEP03 |
| Extra Deep Drawing Quality (Al Killed,
Non Aging) |
EDD |
SPECEN |
CR1 |
St
14
|
A620
|
FEP04 |
Extra Deep Drawing
Quality (IF Grade) |
-
|
-
|
-
|
-
|
-
|
FEP05 |
| Super Extra Deep Drawing Quality (IF
Grade) |
-
|
-
|
-
|
-
|
-
|
-
|
| Coil: |
| Width |
: |
100-1250 mm |
| Thickness |
: |
0.35 - 2.0 mm |
| Inner diameter |
: |
508
/ 610 mm |
| Outer diameter |
: |
1500 mm max |
| Sheets: |
Narrow
Width (100 mm to 400 mm)
|
: |
Upto 3000 mm
|
| Wider Width (400 mm to 1250 mm) |
: |
Upto 4500 mm |
Thickness Tolerance
+/- 0.5% of Nominal Thickness at canter line
for 98.5% of the coil length.
| Width
Tolerance:
|
| Edge Type |
Nominal Thickness
(mm) |
Width Range
(mm) |
Width Tolerance
(mm) |
| Smooth Mill Edge(Trimmed at HR Stage) |
-
|
1000 to 1250 |
-0,+5 |
| |
-
|
>1250 |
-0,+5 |
| Slit Edge |
0.30 to 0.60 |
-
|
+0.3/-0 |
| |
0.6 to 2 mm |
-
|
+0.5/-0 |
| Length
Tolerance: |
IS
513
|
Uttam
|
| Upto
2000 mm |
+15
/ - 0 mm |
+3
mm / - 0 mm |
| Above
2000 mm |
0.75%
x Length |
+3
mm / - 0 mm |
|
| Shape Tolerance: |
|
Camber
|
| Upto
5000 mm Length Coils |
20mm
0.4% x Length
|
3
mm (Max) 0.2% x Length |
|
Flatness
( Upto 1250 mm Width)
|
BOW
SHAPE (600mm & below)
|
-
|
2
mm Max |
BOW
SHAPE ( 600mm & above)
|
-
|
5
mm Max |
| EDGE
WAVY |
-
|
3
mm Max |
| CENTER
BUCKLING |
-
|
3
mm Max |
| DIAGONAL
DIFFERENCE |
NA
|
3
mm Max |
| Mechanical Properties: |
| Grade |
Hardness
|
YS
Range |
UTS
Range |
% Elongation
|
r-Bar |
n-Value |
| |
(HRB)
|
(MPa)
|
(MPa)
|
on
50mm GL |
on
80mm GL |
|
|
| IF |
28-50 Max |
130-160 |
275-305 |
48 min |
42 min |
1.8 min |
0.22min |
| EDD |
34-57 Max |
130-180 |
275-315 |
44 min |
36 min |
1.6 min |
0.2 min |
| D/DD |
45-65 Max |
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 |
0.2
to 0.4 Um |
At Skinpass Mill |
Average 1000 mg/sqm |
| Dull/Matt |
0.8
to 1.6 Um |
At Recoiling line |
30-1750 mg/sqm |
| |
| Surface Characteristic:
|
| Rz |
4-6 Microns |
-
|
-
|
| Rmax |
6.5 micron max |
-
|
-
|
| PPI |
150 min |
-
|
-
|
| NB
: For special grades like High Carbon / High Tensile &
any special tolerances you may refer your inquiry to us. |
| CRFH-FULL
HARD COILS: |
Specification
|
ASTM
A 366/A 568/A 620, Euronorm EN 10130,
JIS G 3141-1B(Full Hard) & other equivalent specifications. |
Width
Range(mm)
|
750
to 1220 / 1250 mm |
Thickness
Range
|
0.13
to 2.00 mm |
Coil
Weight
|
3
to 8 MT |
Coil
ID
|
508
/ 610 mm |
Hardness
|
90
to 98 HRB |
Edge
Condition
|
Smooth
Mill Edges or Trimmed Edges
(For Thinner Gauges) as required. |
Surface
Finish
|
Bright |
|
