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.

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

SizePlusMinus
1/8″ to 5/16″ (exclusive)00.002
5/16″ to 1/2″ (exclusive)00.003
1/2″ to 1″ (inclusive)00.004
over 1″ to 2″ (inclusive)00.006
over 2″ to 3″ (inclusive)00.008

Stainless Pipe
NPS DesignatorPermissible Variations in Outside Diameter
Over In.Under In.  +/ –
1/8 to 1-1/2, incl1/64 (0.015)1/32 (0.031)
Over 1-1/2 to 4, incl1/32 (0.031)1/32 (0.031)
Over 4 to 8, incl1/16 (0.062)1/32 (0.031)
Over 8 to 18, incl3/23 (0.093)1/32 (0.031)
Stainless Rectangular and Square Tube
Largest Nominal Outside DiameterO.D. Tolerance Inc Concavity or ConvexityWall 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
Cold Finish TolerancesPlusMinus
1/8″ to 5/16″0.0010.001
5/16″ to 1/2″0.00150.0015
1/2″ to 1″0.0020.002
1″ to 1-1/2″0.00250.0025
1-1/2″ to 4″0.0030.003

 

Hot Fold TolerancesPlusMinus
2″ to 2-1/2″  1/320
2-1/2″ to 3-1/2″  3/640
3-1/2″ to 4-1/2″  1/160
4-1/4″ to 5-1/2″  5/640
5-1/2″ to 6-1/2″  1/80
6-1/2″ to 8″  5/320
8″ to 12″  3/160
12″ to 15″  7/320
15″ to 24″  1/40
Stainless Tube
O.D. InchesWall Thickness InchesO.D. +/- Inches
1/2″ to 1″ incl..025 to .0650.005
Over .065 to .1340.01
1 to 1-1/2″ incl..025 to .0650.008
Over .065 to .1340.01
1-1/2″ to 2″ incl..025 to .0490.01
Over .049 to .0830.011
Over .083 to .1480.012
2″ to 2-1/2″ incl..032 to .0650.012
Over .065 to .1090.013
Over .109 to .1650.014
2-1/2″ to 3-1/2″ incl..032to .1650.014
Over .165 to .2200.02
3-1/2″ to 5″ incl..083 to .1650.02
Over .165 to .2200.025

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.

Stainless Hex Bar
Stainless Pipe
NPS / ODIDWallWt/Ft
1/8″ Sch 100.3070.0490.1863
.405 OD
1/8″ Sch 400.2690.0680.2447
.405 OD
1/8″ Sch 800.2150.0950.3145
.405 OD
1/4″ Sch 100.410.0650.3297
.540 OD
1/4″ Sch 400.3640.0880.4248
.540 OD
1/4″ Sch 800.3020.1190.4248
.540 OD
3/8″ Sch 100.5450.0650.4235
.675 OD
3/8″ Sch 400.4930.0910.5676
.675 OD
3/8″ Sch 800.4230.1260.7388
.675 OD
1/2″ Sch 50.710.0650.5383
.840 OD
1/2″ Sch 100.6740.0830.671
.840 OD
1/2″ Sch 400.6220.1090.851
.840 OD
1/2″ Sch 800.6930.1471.088
.840 OD
1/2″ Sch 1600.6520.1881.309
.840 OD
1/2″ Sch DXH0.5460.2941.714
.840 OD
3/4″ Sch 50.920.0650.6838
1.050 OD
3/4″ Sch 100.8840.0830.8572
1.050 OD
3/4″ Sch 400.8240.1131.131
1.050 OD
3/4″ Sch 800.7420.1541.474
1.050 OD
3/4″ Sch 1600.6120.2191.944
1.050 OD
3/4″Sch DXH0.4340.3082.441
1.050 OD
1″ Sch 51.1850.0650.8678
1.315 OD
1″ Sch 101.0970.1091.404
1.315 OD
1″ Sch 401.0490.1331.679
1.315 OD
1″ Sch 800.9570.1792.172
1.315 OD
1″ Sch 1600.8150.252.844
1.315 OD
1″Sch DXH0.5990.3583.659
1.315 OD
1-1/4″ Sch 51.530.0651.107
1.660 OD
1-1/4″ Sch 101.4420.1091.806
1.660 OD
1-1/4″ Sch 401.380.142.273
1.660 OD
1-1/4″ Sch 801.2780.1912.997
1.660 OD
1-1/4″ Sch 1601.160.253.765
1.660 OD
1-1/4″ Sch DXH0.8960.3825.214
1.660 OD
1-1/2″ Sch 51.770.0651.247
1.90 OD
1-1/2″ Sch 101.6820.1092.085
1.90 OD
1-1/2″Sch 401.610.1452.781
1.90 OD
1-1/2″ Sch 801.50.23.631
1.90 OD
1-1/2″ Sch 1601.3380.2814.859
1.90 OD
1-1/2″ Sch DXH1.10.46.408
1.90 OD
2″ Sch 52.2450.0651.604
2.375 OD
2″ Sch 102.1570.1092.638
2.375 OD
2″ Sch 402.0670.1543.653
2.375 OD
2″ Sch 801.9390.2185.022
2.375 OD
2″ Sch 1601.6870.3447.462
2.375 OD
2″ Sch DXH1.5030.4369.029
2.375 OD
2-1/2″ Sch 52.7090.0832.475
2.875 OD
2-1/2″ Sch 102.6350.122.475
2.875 OD
2-1/2″ Sch 402.4690.2033.531
2.875 OD
2-1/2″Sch 802.3230.2765.793
2.875 OD
2-1/2″ Sch 1602.1250.3757.661
2.875 OD
2-1/2″ Sch DXH1.8010.55210.01
2.875 OD
3″ Sch 53.3340.0833.029
3.50 OD
3″ Sch 103.260.124.332
3.50 OD
3″ Sch 403.0680.2167.576
3.50 OD
3″Sch 802.90.310.25
3.50 OD
3″ Sch 1602.6240.43814.32
3.50 OD
3″ Sch DXH2.30.618.58
3.50 OD
3-1/2″ Sch 103.760.124.973
4.00 OD
3-1/2″ Sch 403.5480.2269.109
4.00 OD
3-1/2″ Sch 803.3640.31812.5
4.00 OD
3-1/2″ Sch 16030.519.251
4.00 OD
3-1/2″Sch DXH2.7280.63622.85
4.00 OD
4″ Sch 104.260.125.613
4.50 OD
4″ Sch 404.0260.23710.79
4.50 OD
4″ Sch 803.8260.33714.98
4.50 OD
4″ Sch 1203.6240.43819
4.50 OD
4″ Sch 1603.4380.53122.51
4.50 OD
4″Sch DXH3.1520.64727.54
4.50 OD
5″ Sch 105.2950.1347.77
5.563 OD
5″ Sch 405.0470.25814.62
5.563 OD
5″ Sch 804.8130.37520.78
5.563 OD
5″ Sch 1204.5630.527.04
5.563 OD
5″ Sch 1604.3130.62532.96
5.563 OD
5″ Sch DXH4.0630.7538.55
5.563 OD
6″Sch 106.35780.1349.289
6.625 OD
6″ Sch 406.0650.2818.97
6.625 OD
6″ Sch 805.7610.43228.57
6.625 OD
6″ Sch 1205.5010.56236.39
6.625 OD
6″ Sch 1605.1870.71945.35
6.625 OD
6″ Sch DXH4.8970.86453.16
6.625 OD
8″ Sch 108.3290.14813.6
8.625 OD
8″ Sch 208.1250.2522.36
8.625 OD
8″ Sch 407.9810.32258.55
8.625 OD
8″ Sch 607.8130.40635.64
8.625 OD
8″ Sch 807.6250.543.39
8.625 OD
8″ Sch 1007.4370.59450.95
8.625 OD
8″ Sch 1207.1870.71960.71
8.625 OD
8″ Sch 1407.0010.81272.42
8.625 OD
8″Sch 1606.8130.90674.69
8.625 OD
8″ Sch DXH6.8750.87572.42
8.625 OD
10″ Sch 1010.420.16518.7
10.75 OD
10″ Sch 2010.250.2528.04
10.75 OD
10″Sch 4010.020.36540.48
10.75 OD
10″ Sch 80S9.750.554.74
10.75 OD
10″ Sch 809.5640.594364.43
10.75 OD
10″ Sch 1009.3140.71977.03
10.75 OD
10″ Sch 12049.0640.84489.29
10.75 OD
10″ Sch 1408.751104.13
10.75 OD
10″ Sch 1608.51.125115.64
8.625 OD
12″ Sch 1012.390.1824.2
12.750 OD
12″ Sch 2012.250.2533.38
12.750 OD
12″ Sch 40S120.37549.56
12.750 OD
12″ Sch 4011.9380.40653.53
12.750 OD
12″ Sch 6011.6260.56273.15
12.750 OD
12″ Sch 80S11.750.565.42
12.750 OD
12″ Sch 8011.3760.68888.63
12.75 OD
12″ Sch 10011.0640.844107.32
12.75 OD
12″ Sch 12010.751125.49
12.75 OD
12″ Sch 14010.51.125139.67
12.750 OD
12″ Sch 16010.1261.312160.27
12.75 OD
14″ Sch 1013.50.2536.71
14.00 OD
14″Sch 2013.3760.31245.61
14.00 OD
14″ Sch 40S13.250.37554.57
14.00 OD
14″ Sch 4013.1240.43854.57
14.00 OD
14″ Sch 6012.8120.59485.05
14.00 OD
14″ Sch 80S130.582.77
14.00 OD
14″ Sch 8012.50.75106.13
14.00 OD
14″ Sch 10012.1240.938130.85
14.00 OD
14″ Sch 12011.8121.094150.9
14.00 OD
14″ Sch 14011.51.25170.21
14.00 OD
14″ Sch 16011.1881.406189.1
14.00 OD
16″ Sch 1015.50.2542.05
16.00 OD
16″ Sch 4015.250.37562.58
16.00 OD
16″ Sch 6014.6880.656107.5
16.00 OD
16″ Sch 80S150.582.77
16.00 OD
16″ Sch 8014.3140.844136.61
16.00 OD
16″ Sch 10013.9381.031164.82
16.00 OD
16″ Sch 12013.5641.219192.43
16.00 OD
16″ Sch 14013.1241.438223.64
16.00 OD
16″ Sch 16012.8141.594245.25
16.00 OD
18″ Sch 1017.50.2547.39
18.00 OD
18″ Sch 2017.3760.31259.03
18.00 OD
18″ Sch 40S17.250.37570.59
18.00 OD
18″ Sch 4016.8760.562104.67
18.00 OD
18″ Sch 6016.50.75138.17
18.00 OD
18″ Sch 80S170.593.45
18.00 OD
18″ Sch 8016.1261125.49
18.00 OD
18″ Sch 10015.6881.156207.95
18.00 OD
18″ Sch 12015.251.375244.14
18.00 OD
18″ Sch 14014.8761.562274.22
18.00 OD
18″Sch 16014.4381.781308.5
18.00 OD
20″ Sch 1019.50.27552.73
20.00 OD
20″ Sch 40S19.250.37578.6
20.00 OD
20″ Sch 4018.8140.593123.11
20.00 OD
20″ Sch 6018.3760.812166.4
20.00 OD
20″ Sch 80S190.5104.13
20.00 OD
20″ Sch 8017.9381.031208.87
20.00 OD
20″ Sch 10017.4381.281256.1
20.00 OD
20″ Sch 120171.5296.37
20.00 OD
20″ Sch 14016.51.75341.09
20.00 OD
20″ Sch 16016.0621.969379.17
20.00 OD
24″ Sch 1023.50.2563.41
24.00 OD
24″ Sch 40S23.250.37594.62
24.00 OD
24″ Sch 4022.6260.687171.29
24.00 OD
24″ Sch 6022.0620.969238.35
24.00 OD
24″ Sch 80S230.5125.49
24.00 OD
24 Sch 8021.5641.218296.58
24.00 OD
24″ Sch 10020.9381.531367.39
24.00 OD
24″ Sch 12020.3761.812429.39
24.00 OD
24″ Sch 16019.3122.344542.13
24.00 OD
Stainless Rectangular/Square
Stainless Round Bar
Stainless Tube
METAL WEIGHT CALCULATOR
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Calculated Weights
Approx. weight in lbs*
*These weights should be used for estimation purposes only. Plate weight does not allow for kerf.

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