Shape and dimensional tolerances

Shape and dimensional tolerances
 

Tolerances on thickness

Ymagine® is available with the following tolerances. Thickness tolerances over, no tolerance under.
Dimensions in inches.

Thickness Tolerances
0.045 ≤ t ≤ 0.078 0.004
0.078 < t ≤ 0.098 0.005 1
0.098 < t ≤ 0.118 0.006 2
1. In some instances, the material will be supplied with a total tolerance of 0.009 inch, only on the coil head and tail and to a maximum of 66 ft. from the start of the coil.
2. In some instances, the material will be supplied with a total tolerance of 0.010 inch, only on the coil head and tail and to a maximum of 66 ft. from the start of the coil.
 

Tolerances on width

Width tolerances comply with standard ASTM A568: 2011
Width tolerances over, no tolerance under.
Closer tolerances are possible – please contact us.
 

Dimensions and coil weights

The weight of weldless coils can be specified freely between 560 and 1148 PIW.
Ymagine is supplied with trimmed edges as standard. Mill edges are available on request.

Description Dimension or weight
Outside diameter minimum 41.4 inch
  maximum 78.74 inch (Ymagine®)
  maximum 87.67 inch (mill scale)
Coil weight maximum 69,500 lbs 1
PIW minimum 560 PIW
maximum 1148 PIW
1. For Ymagine 70 XF the maximum coil weight is 55,000 lbs for thicknesses > 0.098 inch.

Tata Steel assumes a minimum and a maximum coil weight agreed upon with the customer on the basis of our normal production practices and an order quantity corresponding to this coil weight.
Usually a minimum coil weight up to 90% of the maximum coil weight can be requested.
 

Surface aspects

The surface quality of Ymagine is comparable to that of hot-rolled steel.
The roughness is comparable to hot-rolled pickled and oiled material i.e. 35 - 100 μinch CLA.
Ymagine is suitable for cold-rolled applications that are not surface-critical.