Stainless Steel Tolerances

Here we have our comprehensive list of steel tolerances and how they coordinate with our stainless shapes. If you are looking for a type of metal or a shape that is not present on this list, please give us a call and speak to one of our sales managers. They will be able to answer any of the questions that you may have regarding tolerances.

Important Note

All tolerances are close to approximation based on various mills manufacturing practices. Please consult your sales rep for specific product tolerance and specifications.

Stainless Hex Bar

Tolerances

Size Plus Minus
1/8″ to 5/16″ (exclusive) 0 0.002
5/16″ to 1/2″ (exclusive) 0 0.003
1/2″ to 1″ (inclusive) 0 0.004
over 1″ to 2″ (inclusive) 0 0.006
over 2″ to 3″ (inclusive) 0 0.008

 

 

Stainless Pipe

Tolerances

NPS Designator Permissible Variations in Outside Diameter
Over In. Under In.   +/ –
1/8 to 1-1/2, incl 1/64 (0.015) 1/32 (0.031)
Over 1-1/2 to 4, incl 1/32 (0.031) 1/32 (0.031)
Over 4 to 8, incl 1/16 (0.062) 1/32 (0.031)
Over 8 to 18, incl 3/23 (0.093) 1/32 (0.031)
Stainless Rectangular and Square Tube

Tolerances

Largest Nominal Outside Diameter O.D. Tolerance Inc Concavity or Convexity Wall Tolerances
To 1/4″ Inc.  +/- .015  +/-10%
Over 1-1/4″ to 2-1/2″ Inc.  +/- .020  +/-10%
Over 2-1/2″ to 5-1/2 Inc.  +/- .030  +/-10%
Over 5-1/2″ to 8″ Inc.  +/-.060  +/-10%
Over 8″  +/-.125  +/-10%
Stainless Round Bar

Tolerances

Cold Finish Tolerances Plus Minus
1/8″ to 5/16″ 0.001 0.001
5/16″ to 1/2″ 0.0015 0.0015
1/2″ to 1″ 0.002 0.002
1″ to 1-1/2″ 0.0025 0.0025
1-1/2″ to 4″ 0.003 0.003

 

Hot Fold Tolerances Plus Minus
2″ to 2-1/2″   1/32 0
2-1/2″ to 3-1/2″   3/64 0
3-1/2″ to 4-1/2″   1/16 0
4-1/4″ to 5-1/2″   5/64 0
5-1/2″ to 6-1/2″   1/8 0
6-1/2″ to 8″   5/32 0
8″ to 12″   3/16 0
12″ to 15″   7/32 0
15″ to 24″   1/4 0
Stainless Tube

Tolerances 

O.D. Inches Wall Thickness Inches O.D. +/- Inches
1/2″ to 1″ incl. .025 to .065 0.005
Over .065 to .134 0.01  
1 to 1-1/2″ incl. .025 to .065 0.008
Over .065 to .134 0.01  
1-1/2″ to 2″ incl. .025 to .049 0.01
Over .049 to .083 0.011  
Over .083 to .148 0.012  
2″ to 2-1/2″ incl. .032 to .065 0.012
Over .065 to .109 0.013  
Over .109 to .165 0.014  
2-1/2″ to 3-1/2″ incl. .032to .165 0.014
Over .165 to .220 0.02  
3-1/2″ to 5″ incl. .083 to .165 0.02
Over .165 to .220 0.025  

Stainless Steel Tolerances

Here we have our comprehensive list of steel tolerances and how they coordinate with our stainless shapes. If you are looking for a type of metal or a shape that is not present on this list, please give us a call and speak to one of our sales managers. They will be able to answer any of the questions that you may have regarding tolerances.

Stainless Hex Bar
Stainless Pipe
NPS / OD ID Wall Wt/Ft
1/8″ Sch 10 0.307 0.049 0.1863
.405 OD
1/8″ Sch 40 0.269 0.068 0.2447
.405 OD
1/8″ Sch 80 0.215 0.095 0.3145
.405 OD
1/4″ Sch 10 0.41 0.065 0.3297
.540 OD
1/4″ Sch 40 0.364 0.088 0.4248
.540 OD
1/4″ Sch 80 0.302 0.119 0.4248
.540 OD
3/8″ Sch 10 0.545 0.065 0.4235
.675 OD
3/8″ Sch 40 0.493 0.091 0.5676
.675 OD
3/8″ Sch 80 0.423 0.126 0.7388
.675 OD
1/2″ Sch 5 0.71 0.065 0.5383
.840 OD
1/2″ Sch 10 0.674 0.083 0.671
.840 OD
1/2″ Sch 40 0.622 0.109 0.851
.840 OD
1/2″ Sch 80 0.693 0.147 1.088
.840 OD
1/2″ Sch 160 0.652 0.188 1.309
.840 OD
1/2″ Sch DXH 0.546 0.294 1.714
.840 OD
3/4″ Sch 5 0.92 0.065 0.6838
1.050 OD
3/4″ Sch 10 0.884 0.083 0.8572
1.050 OD
3/4″ Sch 40 0.824 0.113 1.131
1.050 OD
3/4″ Sch 80 0.742 0.154 1.474
1.050 OD
3/4″ Sch 160 0.612 0.219 1.944
1.050 OD
3/4″Sch DXH 0.434 0.308 2.441
1.050 OD
1″ Sch 5 1.185 0.065 0.8678
1.315 OD
1″ Sch 10 1.097 0.109 1.404
1.315 OD
1″ Sch 40 1.049 0.133 1.679
1.315 OD
1″ Sch 80 0.957 0.179 2.172
1.315 OD
1″ Sch 160 0.815 0.25 2.844
1.315 OD
1″Sch DXH 0.599 0.358 3.659
1.315 OD
1-1/4″ Sch 5 1.53 0.065 1.107
1.660 OD
1-1/4″ Sch 10 1.442 0.109 1.806
1.660 OD
1-1/4″ Sch 40 1.38 0.14 2.273
1.660 OD
1-1/4″ Sch 80 1.278 0.191 2.997
1.660 OD
1-1/4″ Sch 160 1.16 0.25 3.765
1.660 OD
1-1/4″ Sch DXH 0.896 0.382 5.214
1.660 OD
1-1/2″ Sch 5 1.77 0.065 1.247
1.90 OD
1-1/2″ Sch 10 1.682 0.109 2.085
1.90 OD
1-1/2″Sch 40 1.61 0.145 2.781
1.90 OD
1-1/2″ Sch 80 1.5 0.2 3.631
1.90 OD
1-1/2″ Sch 160 1.338 0.281 4.859
1.90 OD
1-1/2″ Sch DXH 1.1 0.4 6.408
1.90 OD
2″ Sch 5 2.245 0.065 1.604
2.375 OD
2″ Sch 10 2.157 0.109 2.638
2.375 OD
2″ Sch 40 2.067 0.154 3.653
2.375 OD
2″ Sch 80 1.939 0.218 5.022
2.375 OD
2″ Sch 160 1.687 0.344 7.462
2.375 OD
2″ Sch DXH 1.503 0.436 9.029
2.375 OD
2-1/2″ Sch 5 2.709 0.083 2.475
2.875 OD
2-1/2″ Sch 10 2.635 0.12 2.475
2.875 OD
2-1/2″ Sch 40 2.469 0.203 3.531
2.875 OD
2-1/2″Sch 80 2.323 0.276 5.793
2.875 OD
2-1/2″ Sch 160 2.125 0.375 7.661
2.875 OD
2-1/2″ Sch DXH 1.801 0.552 10.01
2.875 OD
3″ Sch 5 3.334 0.083 3.029
3.50 OD
3″ Sch 10 3.26 0.12 4.332
3.50 OD
3″ Sch 40 3.068 0.216 7.576
3.50 OD
3″Sch 80 2.9 0.3 10.25
3.50 OD
3″ Sch 160 2.624 0.438 14.32
3.50 OD
3″ Sch DXH 2.3 0.6 18.58
3.50 OD
3-1/2″ Sch 10 3.76 0.12 4.973
4.00 OD
3-1/2″ Sch 40 3.548 0.226 9.109
4.00 OD
3-1/2″ Sch 80 3.364 0.318 12.5
4.00 OD
3-1/2″ Sch 160 3 0.5 19.251
4.00 OD
3-1/2″Sch DXH 2.728 0.636 22.85
4.00 OD
4″ Sch 10 4.26 0.12 5.613
4.50 OD
4″ Sch 40 4.026 0.237 10.79
4.50 OD
4″ Sch 80 3.826 0.337 14.98
4.50 OD
4″ Sch 120 3.624 0.438 19
4.50 OD
4″ Sch 160 3.438 0.531 22.51
4.50 OD
4″Sch DXH 3.152 0.647 27.54
4.50 OD
5″ Sch 10 5.295 0.134 7.77
5.563 OD
5″ Sch 40 5.047 0.258 14.62
5.563 OD
5″ Sch 80 4.813 0.375 20.78
5.563 OD
5″ Sch 120 4.563 0.5 27.04
5.563 OD
5″ Sch 160 4.313 0.625 32.96
5.563 OD
5″ Sch DXH 4.063 0.75 38.55
5.563 OD
6″Sch 10 6.3578 0.134 9.289
6.625 OD
6″ Sch 40 6.065 0.28 18.97
6.625 OD
6″ Sch 80 5.761 0.432 28.57
6.625 OD
6″ Sch 120 5.501 0.562 36.39
6.625 OD
6″ Sch 160 5.187 0.719 45.35
6.625 OD
6″ Sch DXH 4.897 0.864 53.16
6.625 OD
8″ Sch 10 8.329 0.148 13.6
8.625 OD
8″ Sch 20 8.125 0.25 22.36
8.625 OD
8″ Sch 40 7.981 0.322 58.55
8.625 OD
8″ Sch 60 7.813 0.406 35.64
8.625 OD
8″ Sch 80 7.625 0.5 43.39
8.625 OD
8″ Sch 100 7.437 0.594 50.95
8.625 OD
8″ Sch 120 7.187 0.719 60.71
8.625 OD
8″ Sch 140 7.001 0.812 72.42
8.625 OD
8″Sch 160 6.813 0.906 74.69
8.625 OD
8″ Sch DXH 6.875 0.875 72.42
8.625 OD
10″ Sch 10 10.42 0.165 18.7
10.75 OD
10″ Sch 20 10.25 0.25 28.04
10.75 OD
10″Sch 40 10.02 0.365 40.48
10.75 OD
10″ Sch 80S 9.75 0.5 54.74
10.75 OD
10″ Sch 80 9.564 0.594 364.43
10.75 OD
10″ Sch 100 9.314 0.719 77.03
10.75 OD
10″ Sch 120 49.064 0.844 89.29
10.75 OD
10″ Sch 140 8.75 1 104.13
10.75 OD
10″ Sch 160 8.5 1.125 115.64
8.625 OD
12″ Sch 10 12.39 0.18 24.2
12.750 OD
12″ Sch 20 12.25 0.25 33.38
12.750 OD
12″ Sch 40S 12 0.375 49.56
12.750 OD
12″ Sch 40 11.938 0.406 53.53
12.750 OD
12″ Sch 60 11.626 0.562 73.15
12.750 OD
12″ Sch 80S 11.75 0.5 65.42
12.750 OD
12″ Sch 80 11.376 0.688 88.63
12.75 OD
12″ Sch 100 11.064 0.844 107.32
12.75 OD
12″ Sch 120 10.75 1 125.49
12.75 OD
12″ Sch 140 10.5 1.125 139.67
12.750 OD
12″ Sch 160 10.126 1.312 160.27
12.75 OD
14″ Sch 10 13.5 0.25 36.71
14.00 OD
14″Sch 20 13.376 0.312 45.61
14.00 OD
14″ Sch 40S 13.25 0.375 54.57
14.00 OD
14″ Sch 40 13.124 0.438 54.57
14.00 OD
14″ Sch 60 12.812 0.594 85.05
14.00 OD
14″ Sch 80S 13 0.5 82.77
14.00 OD
14″ Sch 80 12.5 0.75 106.13
14.00 OD
14″ Sch 100 12.124 0.938 130.85
14.00 OD
14″ Sch 120 11.812 1.094 150.9
14.00 OD
14″ Sch 140 11.5 1.25 170.21
14.00 OD
14″ Sch 160 11.188 1.406 189.1
14.00 OD
16″ Sch 10 15.5 0.25 42.05
16.00 OD
16″ Sch 40 15.25 0.375 62.58
16.00 OD
16″ Sch 60 14.688 0.656 107.5
16.00 OD
16″ Sch 80S 15 0.5 82.77
16.00 OD
16″ Sch 80 14.314 0.844 136.61
16.00 OD
16″ Sch 100 13.938 1.031 164.82
16.00 OD
16″ Sch 120 13.564 1.219 192.43
16.00 OD
16″ Sch 140 13.124 1.438 223.64
16.00 OD
16″ Sch 160 12.814 1.594 245.25
16.00 OD
18″ Sch 10 17.5 0.25 47.39
18.00 OD
18″ Sch 20 17.376 0.312 59.03
18.00 OD
18″ Sch 40S 17.25 0.375 70.59
18.00 OD
18″ Sch 40 16.876 0.562 104.67
18.00 OD
18″ Sch 60 16.5 0.75 138.17
18.00 OD
18″ Sch 80S 17 0.5 93.45
18.00 OD
18″ Sch 80 16.126 1 125.49
18.00 OD
18″ Sch 100 15.688 1.156 207.95
18.00 OD
18″ Sch 120 15.25 1.375 244.14
18.00 OD
18″ Sch 140 14.876 1.562 274.22
18.00 OD
18″Sch 160 14.438 1.781 308.5
18.00 OD
20″ Sch 10 19.5 0.275 52.73
20.00 OD
20″ Sch 40S 19.25 0.375 78.6
20.00 OD
20″ Sch 40 18.814 0.593 123.11
20.00 OD
20″ Sch 60 18.376 0.812 166.4
20.00 OD
20″ Sch 80S 19 0.5 104.13
20.00 OD
20″ Sch 80 17.938 1.031 208.87
20.00 OD
20″ Sch 100 17.438 1.281 256.1
20.00 OD
20″ Sch 120 17 1.5 296.37
20.00 OD
20″ Sch 140 16.5 1.75 341.09
20.00 OD
20″ Sch 160 16.062 1.969 379.17
20.00 OD
24″ Sch 10 23.5 0.25 63.41
24.00 OD
24″ Sch 40S 23.25 0.375 94.62
24.00 OD
24″ Sch 40 22.626 0.687 171.29
24.00 OD
24″ Sch 60 22.062 0.969 238.35
24.00 OD
24″ Sch 80S 23 0.5 125.49
24.00 OD
24 Sch 80 21.564 1.218 296.58
24.00 OD
24″ Sch 100 20.938 1.531 367.39
24.00 OD
24″ Sch 120 20.376 1.812 429.39
24.00 OD
24″ Sch 160 19.312 2.344 542.13
24.00 OD
Stainless Rectangular/Square
Stainless Round Bar
Stainless Tube

  • METAL WEIGHT CALCULATOR
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