Product Usage Guidelines

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Machining & Decarb Limits



Minimum Allowance Per Side for Machining Prior to Heat Treatment in Inch
Ordered
Thickness
Inches		 Ordered Width. Inches
Over
½ to 1
incl.		 Over
1 to 2
incl.		 Over
2 to 3
incl.		 Over
3 to 4
incl.		 Over
4 to 5
incl.		 Over
5 to 6
incl.		 Over
6 to 7
incl.		 Over
7 to 8
incl.		 Over
8 to 9
incl.		 9
0 to ½ incl. A .025 .030 .035 .040 .045 .050 .055 .060 .060 .060
B .036 .044 .056 .068 .092 .104 .120 .136 .144 .152
Over ½ to 1, incl. A .045 .045 .050 .055 .060 .070 .070 .075 .075 .075
B .045 .052 .064 .080 .104 .120 .136 .160 .160 .160
Over 1 to 2, incl. A - .065 .065 .070 .070 .075 .075 .090 .095 .100
B - .065 .075 .084 .112 .124 .144 .168 .180 .180
Over 2 to 3, incl. A - - .085 .085 .085 .085 .090 .100 .100 .100
B - - .085 .102 .120 .136 .160 .180 .190 .190
Over 3 to 4, incl. A - - - .115 .115 .115 .115 .125 .125 .125
B - - - .115 .127 .140 .180 .190 .190 .190
MAXIMUM DECARBURIZATION LIMITS
80 Percent of above allowance per side

*These allowances also applicable to Cold Drawn Bars where cold drawn sizes are available.


Minimum Allowance Per Side for Machining Prior to Heat Treatment in Inch
Ordered
Thickness
Inches		 Ordered Width. Inches
Over
2 to 3
incl.		 Over
3 to 4
incl.		 Over
4 to 5
incl.		 Over
5 to 6
incl.		 Over
6 to 7
incl.		 Over
7 to 8
incl.		 Over
8 to 9
incl.		 9
Over 1 to 2, incl. A .090 .090 .100 .110 .115 .125 .140 .150
B .100 .108 .124 .148 .172 .200 .200 .200
Over 2 to 3, incl. A .120 .120 .125 .130 .135 .150 .160 .175
B .120 .130 .140 .148 .172 .200 .200 .200
Over 3 to 4, incl. A - .150 .150 .160 .180 .200 .210 .225
B - .150 .150 .160 .180 .200 .210 .225
Over 4 to 5. incl. A - - .180 .180 .190 .210 .225 .250
B - - .180 .180 .190 .210 .225 .250
Over 5 to 6, incl. A - - - .210 .225 .225 .250 .250
B - - - .210 .225 .225 .250 .250
Over 6   - - - - .250 .250 .250 .250
  - - - - .250 .250 .250 .250
MAXIMUM DECARBURIZATION LIMITS
80 Percent of above allowances per side

Data shown are typical. and should not be construed as maximum or minimum values for specification or for final design.
Data on any particular piece of material may vary from those shown herein.