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Specification
for Aluminium Coils
| DESCRIPTION |
REQUIREMENT |
| Materials
Type |
As
per ASTMB-557M-94
&
ASTME1251-94 |
| Alloy
Grade |
IS 31000/3S/AA3003/AA3105 |
| Bend
Test |
2T,
No Crack |
| Surface
Protection |
Rust
Preventive Oil Chromated |
| Impact
Test |
100
Kg/cm, No Crack |
| Cupping
Test |
Min.4mm.
No Crack |
| Thickness
Tolerance |
+
0.03 |
| Width
Tolerance |
-
1.00mm, +2.00mm |
| Surface
Finish |
Smooth
Bright Finish |
| Coil
should be free from |
Rust,
Oil Patches, Rough
Surface, Black Snow
Spots, Scratches,
Dents, Holes, Edge
Damages, Sawthooth
Edge, Edge, Wrinkle,
Buckling, Roll Mark,
Fold Lines, Joints,
Improper Winding |
| Coil
Weight |
Min.
1 Mt., Max 3 Mt |
| Packing |
Water
Proof, Metallic packing
with edge protection,
Metallic ID
OD Rings should be
used while packing
coils. |
Specification
for HOT DIP GALVANIZED
Coils
| DESCRIPTION |
REQUIREMENT |
| Materials
Type |
As
per ASTM653 |
| Zinc
Coating |
120 - 275GM/m2.(min.80)
Z12 Grade |
| Bend
Test |
IT,
No Zinc Peel Off |
| Surface
Protection |
Rust
Preventive Oil Chromated |
| Impact
Test |
100
Kg/cm, No Zinc Peel
Off |
| Cupping
Test |
Min.6.5mm.
No Zinc Peel Off |
| Thickness
Tolerance |
+
0.03 |
| Width
Tolerance |
-
1.00mm, +2.00mm |
| Surface
Finish |
Skin
Passed Smooth Finish |
| Coil
should be free from |
White
Rust, Uncoated, Rough
Patches, Dross Spots,
Scratches,
Dents, Holes, Edge
Damages, Edge Over
Coating, Buckling,
Fold Lines, Joints. |
| Packing |
Water
Proof, Metallic Packing
with edge Protection,
Metallic
ID OD Rings should
be used while packing
coils. |
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 Perfect Coil, Perfect Colour... Perfect Industries |
 ©Copyright, perfect industries,2004, 2005 |
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