Tolerances

S. No

Type

Specification

Standard

Fine

On Request/(Optional at Extra charges) 

1

Tolerance -

   on Width

Width 100 400 mm

 50 100 mm

 15 50 mm

0.3 mm

0.22 mm

0.17 mm

0.25 mm

0.18 mm

0.12 mm

0.15 mm

0.10 mm

0.08 mm

2

Tolerance -

Thickness

 

Thick 1.50 mm 1.00 mm

1.00 mm 0.60 mm

0.59 mm 0.30 mm

0.20 mm 0.10 mm

0.09 mm 0.05 mm

0.035 mm

0.020 mm

0.012 - 0.008 mm

0.010 - 0.006 mm

0.008 - 0.005 mm

0.02 mm

0.012 mm

0.01 - 0.005 mm

0.008 - 0.004 mm

0.007 - 0.004 mm

 

3

Packing

Hessian/Gunny / Shrunk Wrap

Any Special Requirement

Wooden Crates

4

CoilID

 

4 (100 mm)

 

6, 8,12, 14, 18 Extra chs on request

5 Coil Cores  

-Cardboard cores of 100mm OD 80 mm1D

-Coreless 4", 8", 12"

  PVC Cores 4'',8'' Dia

MS Cores

6

Coil Weight

Full Width Coils SS

Brs

Max 1.5 Kg/ mm width

Max 1.6 1.8 Kg/MM

 

Max 1.6 1.8 Kg/mm

Max 1.8 2.2 Kg/mm

7

Edges

 

For 300-350 mm coils

Mill Edge

 

Slitted edges

8

Finish

 

Dry  

 

Oiled (Kerosene/Minerals)

9

Surface Finish

 

Hard/HH = Mill Soft Annealed & Pickled Finish

 

Polished/ Buffed/Brushed

 

 

10

Camber / Edge wise Curvature

For Width

15 60 mm       

10 15 mm   

 5 10 mm

 

2.5 mm/ Meter

1.5 mm/ Meter

1.0 mm / Meter