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Stainless Steel Tolerances

 

Round Bars | Square Bars | Hex Bars | Rectangle Bars | Sheet/Plate | Round Tubes | Square Tubes | Rectangle Tubes | Pipe | Key Stock

 

 

 

 

 

 

 

Round Bar
Alloy(s) Spec. Diameter, in. Diameter Tol. (over(+)/under(-))
Any Cold Finish Bar 0.0625 to 0.3125, excl  +/- 0.001"
Any Cold Finish Bar 0.3125 to 0.500, excl  +/- 0.0015"
Any Cold Finish Bar 0.500 to 1, excl  +/- 0.002"
Any Cold Finish Bar 1 to 1.5, excl  +/- 0.0025"
Any Cold Finish Bar 1.5 to 3.25, incl  +/- 0.003"
Any Cold Finish Bar 3.25 to 4, incl  +/- 0.005"

 

 

Round Bar
Alloy(s) Spec. Diameter, in. Diameter Tol. (over(+)/under(-))
Any Hot Rolled Bar Over 0.875 to 1, incl  +/- 0.009"
Any Hot Rolled Bar Over 1 to 1.125, incl  +/- 0.010"
Any Hot Rolled Bar Over 1.125 to 1.25, incl  +/- 0.011"
Any Hot Rolled Bar 1.25 to 1.375, incl  +/- 0.012"
Any Hot Rolled Bar Over 1.375 to 1.5, incl  +/- 0.014"
Any Hot Rolled Bar Over 1.5 to 2, incl  + 1/64"
Any Hot Rolled Bar Over 2.5 to 3.5, incl  + 3/64"
Any Hot Rolled Bar Over 3.5 to 4.5, incl  + 0.0625"
Any Hot Rolled Bar Over 4.5 to 5.5, incl  + 5/64"
Any Hot Rolled Bar Over 5.5 to 6.5, incl  + 0.125"
Any Hot Rolled Bar Over 6.5 to 8, incl  + 5/32"
Any Hot Rolled Bar Over 8 to 12, incl  + 0.1875"
Any Hot Rolled Bar Over 12 to 15, incl  + 7/32"

 

 

Metric Round Bar
Alloy(s)   Spec. Diameter, mm Diameter Tol. (over(+)/under(-))
303 metric TGP 3mm to 35mm 0/-.0005″ (.0127mm)
303 metric TGP 40mm to 50mm 0/-.00075″ (.0191mm)
303 metric TGP 60mm to 90mm 0/-.001″ (.0254mm)

 

 

Metric Round Bar
Alloy(s)   Spec. Diameter, mm Diameter Tol. (over(+)/under(-))
304 metric TGP 1.5mm to 40mm 0/-.0005″ (.0127mm)
304 metric TGP 42mm to 65mm 0/-.00075″ (.0191mm)
304 metric TGP 70mm to 75mm 0/-.001″ (.0254mm)
304 metric TGP 80mm to 100mm 0/-.0015″ (.0381mm)
304 metric TGP 110mm to 150mm 0/-.002″ (.0508mm)

 

 

Metric Round Bar
Alloy(s)   Spec. Diameter, mm Diameter Tol. (over(+)/under(-))
316 metric TGP 2mm to 36mm 0/-.0005″ (.0127mm)
316 metric TGP 40mm to 60mm 0/-.00075″ (.0191mm)
316 metric TGP 70mm to 90mm 0/-.0015″ (.0381mm)

 

 

 

 

 

 

 

Square Bar
Alloy(s)    Spec. Height, in. Height Tol. (over(+)/under(-))
303, 304, 316 Cold Finish/Drawn  0.125 to 0.3125, excl  - 0.002"
303, 304, 316 Cold Finish/Drawn  0.3125 to 0.500, excl  - 0.003"
303, 304, 316 Cold Finish/Drawn  0.500 to 1, incl  - 0.004" 
303, 304, 316 Cold Finish/Drawn  Over 1 to 2, incl  - 0.006"
303 Cold Finish/Drawn  Over 2 to 3, incl  - 0.008" 
303 Cold Finish/Drawn  Over 3, incl  - 0.010"
304 Hot Rolled Over 2.5 to 3.5, incl  + 3/64"
316 Hot rolled Over 3.5 to 4.5, incl  + 0.0625"

 

 

 

 

 

 

 

Hex Bar
      Spec. Across Flats, in.  Across Flats Tol. (over(+)/under(-))
303, 304, 316 Cold Finish/Drawn  0.125 to 0.3125, excl  - 0.002"
303, 304, 316 Cold Finish/Drawn  0.3125 to 0.500, excl  - 0.003"
303, 304, 316, 321, 347 Cold Finish/Drawn  0.500 to 1, incl  - 0.004" 
15-5, 303, 304, 316, 416 Cold Finish/Drawn  Over 1 to 2, incl  - 0.006"
303 Cold Finish/Drawn  Over 2 to 3, incl  - 0.008"

 

 

Metric Hex Bar
    Spec. Across Flats, mm  Across Flats Tol. (over(+)/under(-))
304, 316  Cold Finish  >3mm to ≤6mm  0/-.075mm
304, 316  Cold Finish  >6mm to ≤10mm  0/-.090mm
304, 316  Cold Finish  >10mm to ≤18mm  0/-.111mm
304, 316  Cold Finish  >18mm to ≤30mm  0/-.130mm
304, 316  Cold Finish  >30mm to ≤50mm  0/-.160mm
304, 316  Cold Finish  >50mm to ≤80mm  0/-.190mm

 

 

 

 

 

 

 

Rectangle Bar
     Spec. Width, in. Width Tol. (over(+)/under(-))
      For Thicknesses: Up thru 0.25" For Thicknesses: Over 0.25"
 303  Cold Drawn  0.0625 to 0.375, incl.  +/- 0.005"  +/- 0.005"
 303  Cold Drawn   Over 0.375 to 1, incl.   +/- 0.004"   +/- 0.004" 
 303   Cold Drawn   Over 1 to 2, incl.  +/- 0.006"   +/- 0.004" 
 303   Cold Drawn   Over 2 to 3, incl.   +/- 0.008"   +/- 0.004" 
 303  Cold Drawn   Over 3 to 4.5, incl.   +/- 0.010"   +/- 0.005" 
         
    Thickness, in.  Thickness Tol. (over(+)/under(-))  
 303    Cold Drawn    Up to 0.029, incl.  +/- 0.001"  
 303    Cold Drawn    Over 0.029 to 0.035, incl.  +/- 0.0015"   
 303    Cold Drawn    Over 0.035 to 1, incl.   +/- 0.002"   
 303    Cold Drawn    Over 1 to 2, incl.   +/- 0.003"   
 303    Cold Drawn    Over 2 to 3, incl.   +/- 0.004"   
 303    Cold Drawn    Over 3 ot 4.5, incl.   +/- 0.005"   

 

 

Rectangle Bar - HRAP (True Bar)
 Applicable Alloy(s): 17-4, 304/304L, 316/316L
      Spec. Thickness, in.
       0.125 to 0.5, incl.  Over 0.5 to 1, incl.  Over 1 to 2, incl.  Over 2 to 4, incl.    Over 4 to 6, incl.  Over 6 to 8, incl.
Spec. Width, in. Width Tol. (over(+)/under(-))   Thickness Tol. (over(+)/under(-))
 Up to 1, incl.  +/- 0.015"    +/- 0.008"  +/- 0.010"  ...  ...  ...  ...
 Over 1 to 2, incl.  +/- 0.031"    +/- 0.012"  +/- 0.015"   +/- 0.031"  ...   ...  ...
 Over 2 to 4, incl.  + 0.062", - 0.031"    +/- 0.015"  +/- 0.020"   +/- 0.031"   + 0.062", - 0.031"  ...  ... 
 Over 4 to 6, incl.  + 0.093", - 0.062"    +/- 0.015"   +/- 0.020"   +/- 0.031"   + 0.062", - 0.031"  + 0.093", - 0.062"  ...
 Over 6 to 8, incl.  + 0.125, - 0.156"    +/- 0.016"   +/- 0.025"   +/- 0.031"   + 0.062", - 0.031"  + 0.093", - 0.062" + 0.125", - 0.156"
 Over 8 to 10, incl. + 0.156", - 0.187"    +/- 0.020"  +/- 0.031"   +/- 0.031"   + 0.062", - 0.031"  + 0.093", - 0.062" + 0.125", - 0.156"

 

 

Rectangle Bar - HRAP (Cut from plate)
Applicable Alloy(s): 304/304L, 316/316L
         
 Spec. Thickness, in.  Thickness Tol. (over(+)/under(-))   Widths up to 4" Tol. (over(+)/under(-)) Widths over 4" Tol. (over(+)/under(-))
 Over 0.114 to 0.130, incl.  +/- 0.010"    + 0.094", - 0.031"  +/- 0.094"
 Over 0.130 to 0.145, incl.   +/- 0.012"     + 0.094", - 0.031"  +/- 0.094" 
 Over 0.145 to 0.1875, excl.   +/- 0.014"     + 0.094", - 0.031"   +/- 0.094" 
 0.1875 to 0.375, excl.  + 0.050, - 0.010"     + 0.094", - 0.031"   +/- 0.094" 
 0.375 to 0.75, excl.   + 0.060, - 0.010"      + 0.094", - 0.031"   +/- 0.094" 
 0.75 to 1, excl.   + 0.065, - 0.010"      + 0.094", - 0.031"   +/- 0.094" 
 1 to 2, excl.   + 0.075, - 0.010"      + 0.094", - 0.031"   +/- 0.094" 
 2 to 3, excl.   + 0.150, - 0.010"      + 0.125", - 0.062"   +/- 0.125" 
 3 to 4, excl.   + 0.210, - 0.010"      + 0.125", - 0.062"    +/- 0.125"  
 4 to 6, excl.   + 0.300, - 0.010"       + 0.125", - 0.062"    +/- 0.125"  
 6 to 8, excl.   + 0.420, - 0.010"      + 0.125", - 0.062"    +/- 0.125"  
 8 to 10, excl.   + 0.540, - 0.010"      + 0.125", - 0.062"    +/- 0.125"  

 

 

Rectangle Bar
     Spec. Thickness, in.  Thickness Tol. (over(+)/under(-))  Spec. Width, in.  Width Tol. (over(+)/under(-))
 410  Precision Ground  Any  +/- 0.001"  Any  + 0.0" to + 0.005"
           
 420 (Oversize), 440c (Oversize)  Precision Ground  Any + 0.010" to + 0.015"  Any + 0.010" to + 0.015"
           
Spec. Length for alloys above, in. Length Tol. (over(+)/under(-))        
 18"  + 0.125" to + 0.250"        
 24"  + 0.500, - 0"        
 36"  + 0.250" to + 0.500"        

 

 

Metric Rectangle Bar
Alloy(s)    Spec. Thickness, mm  Thickness Tol. (over(+)/under(-))  Spec. Width, mm  Width Tol. (over(+)/under(-))
 304  Cold Drawn  Over 3mm to 6mm, incl.  + 0, - 0.075mm  Up to 18mm, incl.  + 0, - 0.11mm
 304  Cold Drawn  Over 6mm to 10mm, incl.  + 0, - 0.090mm  Over 18mm to 30mm, incl.  + 0, - 0.13mm
 304  Cold Drawn  Over 10mm to 18mm, incl.  + 0, - 0.11mm  Over 30mm to 50mm, incl.  + 0, - 0.16mm
 304  Cold Drawn  Over 18 to 30mm, incl.  + 0, - 0.13mm  Over 50mm to 80mm, incl.  + 0, - 0.19mm
 304  Cold Drawn  Over 30mm to 50mm, incl.  + 0, - 0.16mm  Over 80mm to 100mm, incl.  + 0, - 0.22mm

 

 

 

 

 

 

 

Sheet/Plate
Applicable Alloys: 304/304L, 316/316L
      Thickness Tol. (over(+)/under(-))
  Spec. Thickness, in.    Widths ≤ 40"  Widths over 40" & ≤ 50"
Cold Rolled  0.012    +/- 0.001" ...
Cold Rolled   0.016    +/- 0.0015"  +/- 0.0015"
Cold Rolled   0.020    +/- 0.0015"  +/- 0.0015"
Cold Rolled   0.024    +/- 0.002"  +/- 0.002"
Cold Rolled   0.032    +/- 0.002"  +/- 0.002"
Cold Rolled   0.040    +/- 0.0025"  +/- 0.0025"
Cold Rolled   0.047    +/- 0.003"  +/- 0.003"
Cold Rolled   0.059    +/- 0.003"  +/- 0.003"
Cold Rolled   0.079    +/- 0.004"  +/- 0.004"
Cold Rolled   0.098    +/- 0.004"  +/- 0.004"
Cold Rolled   0.118    +/- 0.005"  +/- 0.005"
Cold Rolled   0.157    +/- 0.007"  +/- 0.007"
Cold Rolled   0.197   +/- 0.007" +/- 0.007"
Cold Rolled   0.236   +/- 0.007" +/- 0.008"
Cold Rolled  0.3125   +/- 0.007" +/- 0.009"
         
For specified thicknesses other than those shown, the tolerances for the next higher thickness will apply.

 

 

Sheet/Plate
Applicable Alloys: 15-5PH
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.025 +/- 0.003"
0.032 +/- 0.004"
0.040 +/- 0.004"
0.050 +/- 0.004"
0.062 +/- 0.005"
0.071 +/- 0.005"
0.080 +/- 0.005"
0.090 +/- 0.006"
0.100 +/- 0.006"
0.125 +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: 17-4PH
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.025 +/- 0.003"
0.032 +/- 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"
0.190 + 0.040", - 0.010"
0.250 + 0.040", - 0.010"

 

 

Sheet/Plate
Applicable Alloys: 17-7PH
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.016 +/- 0.003"
0.020 +/- 0.003"
0.025 +/- 0.003"
0.032 +/- 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"
0.105 +/- 0.007"
0.125 +/- 0.008"
0.160 +/- 0.012" 
0.1875 +/- 0.012"

 

 

Sheet/Plate
Applicable Alloys: 301 Annealed
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020 +/- 0.003"
0.025 +/- 0.003"
0.032 +/- 0.004"
0.040 +/- 0.004"
0.050 +/- 0.004"
0.062 +/- 0.005"
0.080 +/- 0.005"

 

 

Sheet/Plate
Applicable Alloys: 301 (1/4 Hard, 1/2 Hard, Full Hard)
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.012 +/- 0.002"
0.016 +/- 0.003"
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"
0.080 +/- 0.005"
0.090  +/- 0.006" 
0.100 +/- 0.006"
0.125 +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: 302
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"
0.062 +/- 0.005"
0.071 +/- 0.005"
0.080 +/- 0.005"
0.090 +/- 0.006"
0.105 +/- 0.007"
0.125 +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: 310
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.024 +/- 0.003"
0.030 +/- 0.004"
0.035 +/- 0.004"
0.048 +/- 0.004"
0.060 +/- 0.005"
0.075 +/- 0.005"
0.102 +/- 0.007"
0.120 +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: 347
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020 +/- 0.003"
0.025 +/- 0.003"
0.031 +/- 0.004"
0.040 +/- 0.004"
0.050 +/- 0.004"
0.062 +/- 0.005"
0.071 +/- 0.005"
0.080 +/- 0.005"
0.090 +/- 0.006"
0.125 +/- 0.008"
0.1875 +/- 0.012" 
0.250 + 0.040", - 0.010"

 

 

Sheet/Plate
Applicable Alloys: 321
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.016 +/- 0.003"
0.020 +/- 0.003"
0.025 +/- 0.003"
0.032 +/- 0.004"
0.035 +/- 0.004"
0.040 +/- 0.004"
0.050 +/- 0.004"
0.062 +/- 0.005"
0.080 +/- 0.005"
0.090 +/- 0.006"
0.105 +/- 0.007"
0.125 +/- 0.008"
0.135  +/- 0.010" 
0.1875 +/- 0.012"
0.250 + 0.040", - 0.010"

 

 

Sheet/Plate
Applicable Alloys: 410
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.020 +/- 0.003"
0.025 +/- 0.003"
0.031 +/- 0.004"
0.035 +/- 0.004"
0.040 +/- 0.004"
0.050 +/- 0.004"
0.062 +/- 0.005"
0.078 +/- 0.005"
0.090 +/- 0.006"
0.102 +/- 0.007"
0.125 +/- 0.008"
0.132 +/- 0.008"
0.187 +/- 0.012"
0.250 + 0.040", - 0.010"

 

 

Sheet/Plate
Applicable Alloys: 430
Spec. Thickness, in. Thickness Tol. (over(+)/under(-))
0.024 +/- 0.003"
0.030 +/- 0.004"
0.035 +/- 0.004"
0.048 +/- 0.004"
0.060 +/- 0.005"
0.075 +/- 0.005"
0.100 +/- 0.006"
0.120 +/- 0.008"

 

 

Sheet/Plate
Applicable Alloys: 15-5, 17-4, 304/304L, 310, 316/316L, 321, 347, 410
      Thickness Tol. (over(+)/under(-))
  Spec. Thickness, in.    Widths ≤ 84"
Hot Rolled Up to 0.1875    + 0.055"
Hot Rolled 0.1875 to 0.375, excl.    + 0.045"
Hot Rolled 0.375 to 0.75, excl.    + 0.055"
Hot Rolled 0.75 to 1.00, excl.     + 0.060"
Hot Rolled 1.00 to 2.00, excl.    + 0.070"
Hot Rolled 2.00 to 3.00, excl.    + 0.125"
Hot Rolled 3.00 to 4.00, excl.    + 0.150"
Hot Rolled 4.00 to 6.00, excl.    + 0.180"
Hot Rolled 6.00 to 8.00, excl.    + 0.235"
Hot Rolled 8.00 to 10.00, excl.    + 0.315"

 

 

 

 

 

 

 

Round Tube
Alloy(s)    Spec. O.D., in.  O.D. Tol. (over(+)/under(-))  Wall Thickness Tol. (over(+)/under(-))
304/304L, 316/316L Seamless & Welded   Up to 0.500, excl.  +/- 0.005"  +/- 15%
304/304L, 316/316L Seamless & Welded   0.500 to 1.5, excl.  +/- 0.005"    +/- 10% 
304/304L, 316/316L Seamless & Welded   1.5 to 3.5, excl.  +/- 0.010"  +/- 10%  
304/304L, 316/316L Seamless & Welded   3.5 to 5.5, excl.   +/- 0.015"  +/- 10%  
304/304L, 316/316L Seamless & Welded   5.5 to 8, excl.  +/- 0.030"  +/- 10%  
304/304L, 316/316L Seamless & Welded   8 to 12, excl.  +/- 0.040"  +/- 10%  
304/304L, 316/316L Seamless & Welded   12 to 14, excl.   +/- 0.050"  +/- 10%  

 

 

Metric Round Tube
Alloy(s)    Spec. O.D., mm O.D. Tol. (over(+)/under(-))
304 Cold Drawn/ TGP 6mm to 30mm +/- 0.08mm
304 Cold Drawn/ TGP 40mm +/- 0.15mm
304 Cold Drawn/ TGP 50mm +/- 0.20mm
    Spec. Wall Thickness, mm Wall Thickness Tol. (over(+)/under(-))
304 Cold Drawn/ TGP Any +/- 10% or +/- 0.1mm (which ever value is greater)

 

 

Metric Round Tube
Alloy(s)   Spec. O.D., mm O.D. Tol. (over(+)/under(-)) Wall Thickness Tol. (over(+)/under(-))
316 Bright/Solution Annealed Up to 12mm, incl. +/- 0.005" +/- 15%
316 Bright/Solution Annealed Over 12mm +/- 0.005" +/- 10%

 

 

 

 

 

 

 

Square Tube
Alloy(s)   Spec. Height, in. Height Tol. (over(+)/under(-))
304/304L, 316/316L Welded  Up to 1.25  +/- 0.015"
304/304L, 316/316L Welded  Over 1.25 to 2.5, incl.  +/- 0.020"
304/304L, 316/316L Welded  Over 2.5 to 5.5, incl.  +/- 0.030"
304/304L, 316/316L Welded Over 5.5 to 8, incl.  +/- 0.060"
Wall Thickness Tolerance = +/- 10% of specified wall thickness
       
    Wall Thickness, in. Radii of Corners, max
304/304L, 316/316L Welded  Over 0.020 to 0.049, incl.  3/32"
304/304L, 316/316L Welded  Over 0.049 to 0.065, incl.  1/8"
304/304L, 316/316L Welded  Over 0.065 to 0.083, incl.  9/64"
304/304L, 316/316L Welded  Over 0.083 to 0.095, incl.  3/16"
304/304L, 316/316L Welded  Over 0.095 to 0.109, incl.  13/64"
304/304L, 316/316L Welded  Over 0.109 to 0.134, incl.  7/32"
304/304L, 316/316L Welded  Over 0.134 to 0.156, incl.  1/4"
304/304L, 316/316L Welded  Over 0.156 to 0.200, incl.   3/8"
304/304L, 316/316L Welded  Over 0.200 to 0.250, incl.  1/2"
304/304L, 316/316L Welded  Over 0.250 to 0.375, incl.  3/4"

 

 

 

 

 

 

 

Rectangle Tube
Alloy(s)   Spec. Height and/or Width, in. Height and/or Width Tol. (over(+)/under(-))
304/304L, 316/316L Welded  Up to 1.25  +/- 0.015"
304/304L, 316/316L Welded  Over 1.25 to 2.5, incl.  +/- 0.020"
304/304L, 316/316L Welded  Over 2.5 to 5.5, incl.  +/- 0.030"
304/304L, 316/316L Welded Over 5.5 to 8, incl.  +/- 0.060"
Wall Thickness Tolerance = +/- 10% of specified wall thickness
       
    Wall Thickness, in. Radii of Corners, max
304/304L, 316/316L Welded  Over 0.020 to 0.049, incl.  3/32"
304/304L, 316/316L Welded  Over 0.049 to 0.065, incl.  1/8"
304/304L, 316/316L Welded  Over 0.065 to 0.083, incl.  9/64"
304/304L, 316/316L Welded  Over 0.083 to 0.095, incl.  3/16"
304/304L, 316/316L Welded  Over 0.095 to 0.109, incl.  13/64"
304/304L, 316/316L Welded  Over 0.109 to 0.134, incl.  7/32"
304/304L, 316/316L Welded  Over 0.134 to 0.156, incl.  1/4"
304/304L, 316/316L Welded  Over 0.156 to 0.200, incl.   3/8"
304/304L, 316/316L Welded  Over 0.200 to 0.250, incl.  1/2"
304/304L, 316/316L Welded  Over 0.250 to 0.375, incl.  3/4"

 

 

 

 

 

 

 

Pipe
Alloy(s)   Nominal Pipe Size   O.D., in.  O.D. Tol. (over(+)/under(-)) Wall Thickness, in.  Wall Thickness Tol. (over(+)/under(-))
Schedule 5
304/304L Welded   0.500  0.840  + 1/64", +1/32"  0.065  + 20%, - 12.5%
304/304L  Welded   0.750   1.050  + 1/64", +1/32"   0.065  + 20%, - 12.5% 
304/304L  Welded   1.000  1.315  + 1/64", +1/32"   0.065  + 20%, - 12.5% 
304/304L  Welded   1.250  1.660  + 1/64", +1/32"   0.065  + 20%, - 12.5% 
304/304L  Welded   1.500  1.900  + 1/64", +1/32"   0.065  + 20%, - 12.5% 
304/304L  Welded   2.000  2.375  +/- 1/32"  0.065  + 20%, - 12.5% 
304/304L  Welded   2.500  2.875  +/- 1/32"   0.083  + 20%, - 12.5% 
304/304L  Welded   3.000  3.500  +/- 1/32"   0.083  + 22.5%, - 12.5%
304/304L  Welded   4.000  4.500  +/- 1/32"   0.083  + 22.5%, - 12.5% 
Schedule 10 
304/304L, 316/316L Welded  0.375  0.675   + 1/64", +1/32"  0.065  + 20%, - 12.5% 
304/304L, 316/316L Welded   0.500  0.840  + 1/64", +1/32"   0.083  + 20%, - 12.5% 
304/304L, 316/316L  Welded   0.750  1.050  + 1/64", +1/32"   0.083  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.000  1.315  + 1/64", +1/32"   0.109  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.250  1.660  + 1/64", +1/32"   0.109  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.500  1.900  + 1/64", +1/32"   0.109  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.000  2.375  +/- 1/32"   0.109  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.500  2.875  +/- 1/32"   0.120  + 20%, - 12.5% 
304/304L, 316/316L  Welded   3.000  3.500  +/- 1/32"   0.120  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded  3.500  4.000  +/- 1/32"   0.120  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   4.000  4.500  +/- 1/32"   0.120  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   5.000  5.563  + 1/16", - 1/32"   0.134  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   6.000  6.625  + 1/16", - 1/32"   0.134  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   8.000  8.625  + 1/16", - 1/32"  0.148  + 22.5%, - 12.5% 
Schedule 40
304/304L, 316/316L Welded   0.125  0.405  + 1/64", +1/32"  0.068  + 20%, - 12.5% 
304/304L, 316/316L Welded  0.250   0.540   + 1/64", +1/32"   0.088   + 20%, - 12.5% 
304/304L, 316/316L Welded  0.375  0.675  + 1/64", +1/32"   0.091  + 20%, - 12.5% 
304/304L, 316/316L Welded   0.500  0.840  + 1/64", +1/32"   0.109  + 20%, - 12.5% 
304/304L, 316/316L  Welded   0.750  1.050  + 1/64", +1/32"   0.113  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.000  1.315  + 1/64", +1/32"   0.133  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.250  1.660  + 1/64", +1/32"   0.140  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.500  1.900  + 1/64", +1/32"   0.145  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.000  2.375  +/- 1/32"   0.154  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.500  2.875  +/- 1/32"   0.203  + 20%, - 12.5% 
304/304L, 316/316L  Welded   3.000  3.500  +/- 1/32"   0.216  + 15%, - 12.5%
304/304L, 316/316L  Welded   3.500  4.000  +/- 1/32"   0.226  + 15%, - 12.5% 
304/304L, 316/316L  Welded   4.000  4.500  +/- 1/32"   0.237  + 15%, - 12.5% 
304/304L, 316/316L  Welded   5.000  5.563  + 1/16", - 1/32"   0.258  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   6.000  6.625  + 1/16", - 1/32"   0.280  + 22.5%, - 12.5% 
304/304L, 316/316L  Welded   8.000  8.625  + 1/16", - 1/32"  0.322  + 22.5%, - 12.5% 
Schedule 80
304/304L, 316/316L Welded   0.250   0.540    + 1/64", +1/32"  0.119  + 20%, - 12.5% 
304/304L, 316/316L Welded  0.375  0.675  + 1/64", +1/32"   0.126  + 20%, - 12.5% 
304/304L, 316/316L Welded   0.500  0.840  + 1/64", +1/32"   0.147  + 20%, - 12.5% 
304/304L, 316/316L  Welded   0.750  1.050  + 1/64", +1/32"   0.154  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.000  1.315  + 1/64", +1/32"   0.179  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.250  1.660  + 1/64", +1/32"   0.191  + 20%, - 12.5% 
304/304L, 316/316L  Welded   1.500  1.900  + 1/64", +1/32"   0.200  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.000  2.375  +/- 1/32"   0.218  + 20%, - 12.5% 
304/304L, 316/316L  Welded   2.500  2.875  +/- 1/32"   0.276  + 20%, - 12.5% 
304/304L, 316/316L  Welded   3.000  3.500  +/- 1/32"   0.300  + 15%, - 12.5% 
304/304L, 316/316L  Welded   3.500  4.000  +/- 1/32"   0.318  + 15%, - 12.5% 
304/304L, 316/316L  Welded   4.000  4.500  +/- 1/32"   0.337   + 15%, - 12.5% 
304/304L, 316/316L  Welded   5.000  5.563  + 1/16", - 1/32"  0.375  + 15%, - 12.5% 
304/304L, 316/316L  Welded   6.000  6.625  + 1/16", - 1/32"   0.432  + 15%, - 12.5% 

 

 

 

 

 

 

 

Square Key Stock
Alloy(s) Spec. Height, in. Height Tol. (over(+)/under(-))
303 All Heights - 0.002"