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U. S. Steel Terne Sheet and
NI-TERNE Sheet is a hot-dip coated product and thus, the tolerances
listed below are applicable.
Hot-Dip Coated
Sheet
U. S. Steel Hot-Dip Coated
Sheet is produced to meet
the dimensional tolerances as shown in the following Tables (I-IV).
If your application requires improved tolerances for performance
reasons, please inquire.
Thickness is measured at any point on the sheet
no less than one inch from an edge.
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Table I
Nominal Thickness
Hot-Dip Coated
Sheet
Coils
Tolerances, Over and Under, for Specified Nominal
Thickness
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Specified
Width, inches
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Over
.101 -.160
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Over
.075 - .101
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Over
.061 - .075
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.061 and
thinner
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24 - 40
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.006
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.006
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.003
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.002
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ver 40 - 60
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.007
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.006
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.003
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.002
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Over 60 - 72
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.007
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.007
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.003
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.002
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Table II
Minimum Thickness
Hot-Dip Coated
Sheet
Coils
Tolerances Over Specified Minimum Thickness
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Specified
Width, inches
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Over
.101 -.160
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Over
.075 - .101
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Over
.061 - .075
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.061 and
thinner
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24 - 40
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.012
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.012
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.006
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.004
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Over 40 - 60
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.014
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.012
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.006
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.004
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Over 60 - 72
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.014
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.014
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.006
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.004
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Table III
Width
Hot-Dip Coated
Sheet
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Specified
Width, inches
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Tolerance Over
Specified
Width, Inches*
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Coils
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24 - 30
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1/8
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Over 30 - 48
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3/16
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Over 48 - 60
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1/4
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Over 60 - 72
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5/16
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*No Tolerance Under
Table IV
Flatness
Hot-Dip Coated Sheet
(Not Specified to Stretcher
Leveled Standard
of Flatness - Coils)
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Specified
Width, inches
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Specified
Width, In.
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Flatness
Tolerances*, In.
(Max. Deviation from a horizontal flat surface).
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Nominal
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Minimum
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.05 & Thinner
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.048 & Thinner
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thru 36
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3/8
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Over 36 - 60
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5/8
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Over 60 - 72
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7/8
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Over .05
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Over .048
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thru 36
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1/4
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Over 36 - 60
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3/8
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Over 60 - 72
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5/8
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*Tolerances are subject to inquiry when the
specified yield strength is in excess of 50 ksi or
higher.
Camber Hot-Dip Coated Sheet Coils
Camber is the greatest deviation of a side from a
straight line. The measurement is taken on the concave side with a
straight edge. The camber tolerance for sheet in coils is 1/2 inch
in any 20 feet of length.
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