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Nickel Tolerances

 


Round Bars | Sheet/Plate | Round Tubes

 

 

 

 

 

 

 

Round Bar
Alloy(s)    Spec. Diameter, in.  Diameter Tol. (over(+)/under(-))
200, 400, R405 Cold Drawn 0.1875 to 0.5, excl. - 0.003"
200, 400, R405, K500 Cold Drawn  0.5 to 0.9375, incl. - 0.002" 
200, 400, R405, K500  Cold Drawn  Over 0.9375 to 1.9375, incl.  - 0.003" 
200, R405, K500 Cold Drawn  Over 1.9375 to 2.5, incl.  - 0.004" 
K500 Cold Drawn Over 2.5 to 3, incl. - 0.005"

 

 

Round Bar
Alloy(s)    Spec. Diameter, in.  Diameter Tol. (over(+)/under(-))
600 Cold Drawn 0.0625 to 0.1875, excl. - 0.002"
600 Cold Drawn  0.1875 to 0.5, excl. - 0.003" 
600 Cold Drawn  0.5 to 0.9375, incl. + 0.001", - 0.002" 
600 Cold Drawn  Over 0.9375 to 1.9375, incl.  + 0.0015", - 0.003" 
600 Cold Drawn Over 1.9375 to 2.5, incl. + 0.002", - 0.004"

 

 

Round Bar
Alloy(s)    Spec. Diameter, in.  Diameter Tol. (over(+)/under(-))
600 Hot Worked Up to 1, incl. +/- 0.016"
600 Hot Worked  Over 1 to 2, incl. + 0.031", - 0.016" 
600 Hot Worked  Over 2 to 4, incl. + 0.047", - 0.031" 
600 Hot Worked  Over 4, incl.  + 0.125", - 0.063" 

 

 

Straightness Tolerance - Round Bar
Alloy(s)   Specified Diameter, in. Max. Allowed Deviation from Straight
200, 400, 600, R405 Cold Worked 1/2 to 4 0.030 × Measured Length, ft.
200, 400, 600, R405 Hot Worked Any 0.050 × Measured Length, ft.
Straightness tolerance will be void once full length is cut

 

 

Round Bar
Alloy(s)    Spec. Diameter, in.  Diameter Tol. (over(+)/under(-))
718 Hot Rolled Up to 1, incl. +/- 0.016"
718 Hot Rolled Over 1 to 2, incl. + 0.031", - 0.016"
718 Hot Rolled Over 2 to 4, incl. + 0.047", - 0.031"
718 Hot Rolled Over 4 + 0.125", - 0.063"

 

 

 

 

 

 

 

Sheet/Plate
Applicable Alloy(s): 625
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.016  +/- 0.003"
0.020  +/- 0.003"
0.025  +/- 0.003"
0.031  +/- 0.004"
0.035  +/- 0.004"
0.040  +/- 0.004"
0.050  +/- 0.004"
0.061  +/- 0.005"
0.078  +/- 0.005"
0.090  +/- 0.006"
0.100  +/- 0.006"
0.125  +/- 0.008"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
625 3/16 to 1/4, excl. 2.125"
625 1/4 to 3/8, excl. 1.5"
625 3/8 to 1/2, excl. 1.125"
625 1/2 to 3/4, excl. 1.125"
625 3/4 to 1, excl. 1.125"
625 1 to 2, excl. 1.125"
625 2 to 2-3/4, excl. 0.625"
Straightness tolerance will be void once full length is cut

 

 

Sheet/Plate
Applicable Alloy(s): A-286
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.025  +/- 0.003"
0.030  +/- 0.004"
0.040  +/- 0.004"
0.050  +/- 0.004"
0.062  +/- 0.005"
0.071  +/- 0.005"
0.080  +/- 0.005"
0.125  +/- 0.008"

 

 

Sheet/Plate
Applicable Alloy(s): 718
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020  +/- 0.003"
0.025  +/- 0.003
0.032  +/- 0.004"
0.035  +/- 0.004"
0.040  +/- 0.004"
0.050  +/- 0.004" 
0.063  +/- 0.005"
0.071  +/- 0.005"
0.080  +/- 0.005"
0.090  +/- 0.006"
0.100  +/- 0.006"
0.125  +/- 0.008"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
718 3/16 to 1/4, excl. 1.0625"
718 1/4 to 3/8, excl. 0.75"
718 3/8 to 1/2, excl. 0.5625"
718 1/2 to 3/4, excl. 0.5625"
718 3/4 to 1, excl. 0.5625"
718 1 to 2, excl. 0.5625"
718 2 to 2-1/4, excl. 0.3125"
Straightness tolerance will be void once full length is cut

 

 

Sheet/Plate
Applicable Alloy(s): 200
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.018 to 0.025, incl. +/- 0.003" 
Over 0.025 to 0.034, incl.  +/- 0.004" 
Over 0.034 to 0.043, incl.  +/- 0.005"  
Over 0.043 to 0.056, incl. +/- 0.005" 
Over 0.056 to 0.070, incl.   +/- 0.006" 
Over 0.070 to 0.078, incl. +/- 0.007"
Over 0.078 to 0.093, incl. +/- 0.008" 
Over 0.093 to 0.109, incl. +/- 0.009"
Over 0.109 to 0.125, incl. +/- 0.010"
Over 0.125 to 0.140, incl. +/- 0.010"
Over 0.140 to 0.171, incl. +/- 0.012"
Over 0.171 to 0.187, incl. +/- 0.013"
Over 0.187 to 0.218, incl. +/- 0.015"
Over 0.218 to 0.234, incl. +/- 0.016"
Over 0.234 to 0.250, incl.  +/- 0.018"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
200 3/16 to 1/4, excl. 1.0625"
200 1/4 to 3/8, excl. 0.75"
200 3/8 to 1/2, excl. 0.5625"
200 1/2 to 3/4, excl. 0.5625"
200 3/4 to 1, excl. 0.5625"
200 1 to 2, excl. 0.5625"
200 2 to 4, excl. 0.3125"
Straightness tolerance will be void once full length is cut

 

 

Sheet/Plate
Applicable Alloy(s): 400
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.005 +/- 0.001" 
Over 0.005 to 0.007, incl.  +/- 0.0015" 
Over 0.007 to 0.016, incl.  +/- 0.002"  
Over 0.016 to 0.026, incl. +/- 0.003" 
Over 0.026 to 0.040, incl.   +/- 0.004" 
Over 0.040 to 0.058, incl. +/- 0.005"
Over 0.058 to 0.072, incl. +/- 0.006" 
Over 0.072 to 0.083, incl. +/- 0.007"
Over 0.083 to 0.098, incl. +/- 0.008"
Over 0.098 to 0.114, incl. +/- 0.009"
Over 0.114 to 0.130, incl. +/- 0.010"
Over 0.130 to 0.145, incl. +/- 0.012"
Over 0.145 to 0.1874, incl. +/- 0.014"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
400 3/16 to 1/4, excl. 1.0625"
400 1/4 to 3/8, excl. 0.75"
400 3/8 to 1/2, excl. 0.5625"
400 1/2 to 3/4, excl. 0.5625"
400 3/4 to 1, excl. 0.5625"
400 1 to 2, excl. 0.5625"
400 2 to 4, excl. 0.3125"
Straightness tolerance will be void once full length is cut

 

 

Sheet/Plate
Applicable Alloy(s): 600
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.062  +/- 0.006"
0.125  +/- 0.010"
0.1875  +/- 0.017"
0.375  + 0.088", - 0.010"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
600 3/16 to 1/4, excl. 1.0625"
600 1/4 to 3/8, excl. 0.75"
600 3/8 to 1/2, excl. 0.5625"
600 1/2 to 3/4, excl. 0.5625"
600 3/4 to 1, excl. 0.5625"
600 1 to 2, excl. 0.5625"
600 2 to 4, excl. 0.3125"
Straightness tolerance will be void once full length is cut

 

 

Sheet/Plate
Applicable Alloy(s): C276
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
Over 0.016 to 0.026, incl. +/- 0.003" 
Over 0.026 to 0.040, incl.  +/- 0.004" 
Over 0.040 to 0.058, incl.  +/- 0.005"  
Over 0.058 to 0.072, incl. +/- 0.006" 
Over 0.072 to 0.083, incl.   +/- 0.007" 
Over 0.083 to 0.098, incl. +/- 0.008"
Over 0.098 to 0.114, incl. +/- 0.009" 
Over 0.114 to 0.130, incl. +/- 0.010"
Over 0.130 to 0.145, incl. +/- 0.012"
Over 0.145 to 0.1875, excl. +/- 0.014"
0.1875 to 0.375, excl. + 0.045", - 0"
0.375 to 0.75, excl. + 0.055", - 0"
0.75 to 1, excl. + 0.060", - 0"

 

 

Flatness Tolerance - Sheet/Plate
Alloy(s) Specified Thickness, in. Permissible Variations from Flat, in.
C276 3/16 to 1/4, excl. 1.0625"
C276 1/4 to 3/8, excl. 0.75"
C276 3/8 to 1/2, excl. 0.5625"
C276 1/2 to 3/4, excl. 0.5625"
C276 3/4 to 1, excl. 0.5625"
C276 1 to 2, excl. 0.5625"
C276 2 to 4, excl. 0.3125"
Straightness tolerance will be void once full length is cut

 

 

 

 

 

 

 

Round Tube
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))
400  Seamless  0.063 to 0.188  +0.003", -0"
400  Seamless  0.250 to 0.500  +0.004", -0"
400  Seamless  0.500 to 1.250  +0.005", -0
Wall tolerance is +/- 10% from the specified wall thickness

 

 

Round Tube
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))
625  Seamless  0.188 to 0.500, excl.  +0.004", -0"
625  Seamless  0.500 to 1.250, excl.  +0.005", -0"
Wall tolerance is +/- 10% from the specified wall thickness

 

 

Round Tube
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))
825  Seamless  0.250 to 0.500  +0.004", -0"
825  Seamless  0.500 to 1.000  +0.005", -0"
Wall tolerance is +/- 10% from the specified wall thickness

 

 

Round Tube
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))
C276  Seamless  0.250 to 0.500  +0.004", -0.005"
Wall tolerance is +/- 15% from the specified wall thickness