- Size: OD: 10.3-762mm
- WT: 6-35mm
- Length: 5.8/6/11.8/12m
- Standard: ASTM A53, ASTM A519, ASTM A500, ASTM A252, JIS G3441/G3445,EN 10210/10297
Seamless mechanical tubing is manufactured to meet your specific application requirements.
Seamless mechanical tubing is furnished in both cold-drawn and hotfinished form in a wide range of sizes, from 1.375" to 7.750" OD and from 0.188" to 1.625" wall thickness, as shown on the chart to the right.
Seamless mechanical tubing
Cold drawn seamless mechanical tubing---Diameter Tolerances
OD Size Range Inches,Inclusive |
WallPercent of OD |
OD Inches |
ID Inches |
Quenched&TemperedOD & ID ± Inches |
OD Size Range mm ,Inclusive |
WallPercent of OD |
OD Inches |
ID Inches |
Quenched&TemperedOD & ID ± mm |
||||
Over |
Under |
Over |
Under |
Over |
Under |
Over |
Under |
||||||
0.500-1.699 1.700-2.099 2.100-2.499 |
All All All |
.005 .006 .007 |
.000 .000 .000 |
.000 .000 .000 |
.005 .006 .007 |
.015 .020 .023 |
12.70- 43.16 43.17- 53.32 53.33- 63.48 |
All All All |
0.13 0.15 0.18 |
0.00 0.00 0.00 |
0.00 0.00 0.00 |
0.13 0.15 0.18 |
0.38 0.51 0.58 |
2.500-2.899 2.900-3.299 3.300-3.699 3.700-4.099 |
All All All All |
.008 .009 .010 .011 |
.000 .000 .000 .000 |
.000 .000 .000 .000 |
.008 .009 .010 .011 |
.025 .028 .030 .033 |
63.49- 73.64 73.65- 83.80 83.81- 93.96 93.97-104.12 |
All All All All |
0.20 0.23 0.25 0.28 |
0.00 0.00 0.00 0.00 |
0.00 0.00 0.00 0.00 |
0.20 0.23 0.25 0.28 |
0.64 0.71 0.76 0.84 |
4.100-4.499 4.500-4.899 4.900-5.299 5.300-5.549 |
All All All All |
.012 .013 .014 .015 |
.000 .000 .000 .000 |
.000 .000 .000 .000 |
.012 .013 .014 .015 |
.036 .038 .041 .044 |
104.13-114.28 114.29-124.44 124.45-134.60 134.61-140.95 |
All All All All |
0.30 0.33 0.36 0.38 |
0.00 0.00 0.00 0.00 |
0.00 0.00 0.00 0.00 |
0.30 0.33 0.36 0.38 |
0.91 0.97 1.04 1.12 |
5.550-5.999 |
Under 6 6 to 71/2Over 71/2 |
.010 .009 .018 |
.010 .009 .000 |
.010 .009 .009 |
.010 .009 .009 |
.047 .047 .047 |
140.96-152.38 |
Under 6 6 to 71/2Over 71/2 |
0.25 0.23 0.46 |
0.25 0.23 0.00 |
0.25 0.23 0.23 |
0.25 0.23 0.23 |
1.19 1.19 1.19 |
6.000-6.499 |
Under 6 6 to 71/2Over 71/2 |
.013 .010 .020 |
.013 .010 .000 |
.013 .010 .010 |
.013 .010 .010 |
.050 .050 .050 |
152.39-165.08 |
Under 6 6 to 71/2Over 71/2 |
0.33 0.25 0.51 |
0.33 0.25 0.00 |
0.33 0.25 0.25 |
0.33 0.25 0.25 |
1.27 1.27 1.27 |
6.500-6.999 |
Under 6 6 to 71/2Over 71/2 |
.015 .012 .023 |
.015 .012 .000 |
.015 .012 .012 |
.015 .012 .012 |
.057 .053 .053 |
165.09-177.78 |
Under 6 6 to 71/2Over 71/2 |
0.38 0.30 0.58 |
0.38 0.30 0.00 |
0.38 0.30 0.30 |
0.38 0.36 0.30 |
1.45 1.35 1.35 |
7.000-7.499 |
Under 6 6 to 71/2Over 71/2 |
.018 .013 .026 |
.018 .013 .000 |
.018 .013 .013 |
.018 .013 .013 |
.065 .056 .056 |
177.79-190.48 |
Under 6 6 to 71/2Over 71/2 |
0.46 0.33 0.66 |
0.46 0.33 0.00 |
0.46 0.33 0.33 |
0.46 0.33 0.33 |
1.65 1.42 1.42 |
7.500-8.000 |
Under 6 6 to 71/2Over 71/2 |
.020 .015 .030 |
.020 .015 .000 |
.020 .015 .015 |
.020 .015 .015 |
.070 .060 .060 |
190.49-203.20 |
Under 6 6 to 71/2Over 71/2 |
0.51 0.38 0.76 |
0.51 0.38 0.00 |
0.51 0.38 0.38 |
0.51 0.38 0.38 |
1.78 1.52 1.52 |
Cold drawn seamless mechanical tubing---Wall Thickness Tolerances
Wall ThicknessPercent of OD |
Maximum Percent Over & Under Nominal |
Wall ThicknessPercent of OD |
Maximum Percent Over & Under Nominal |
||
Under 1.499” ID |
1.500” ID & Over |
Under 38.07mm ID |
38.07mm ID & Over |
||
Under 10 |
10.0 |
7.5 |
Under 10 |
10.0 |
7.5 |
10 to 25 |
10.0 |
6.0 |
10 to 25 |
10.0 |
6.0 |
Over 25 |
12.5 |
7.5 |
Over 25 |
12.5 |
7.5 |
Hot-finished seamless mechanical tubing---Diameter Tolerances
OD Size Range Inches, Inclusive |
As Rolled or Annealed OD, ± Inches |
Quenched &TemperedOD & ID ± Inches |
OD Size Range mm Inclusive |
As Rolled or Annealed OD, ± mm |
Quenched & TemperedOD & ID ± mm |
2.000-2.499 |
.017 |
.027 |
50.80- 63.48 |
0.43 |
0.686 |
2.500-2.999 |
.019 |
.029 |
63.49- 76.17 |
0.48 |
0.737 |
3.000-3.499 |
.021 |
.032 |
76.18- 88.87 |
0.53 |
0.813 |
3.500-3.999 |
.023 |
.035 |
88.88-101.57 |
0.58 |
0.889 |
4.000-4.499 |
.025 |
.038 |
101.58-114.28 |
0.64 |
0.965 |
4.500-4.999 |
.027 |
.041 |
114.29-126.97 |
0.69 |
1.041 |
5.000-5.499 |
.029 |
.044 |
126.98-139.67 |
0.74 |
1.118 |
5.500-5.999 |
.031 |
.047 |
139.68-152.38 |
0.79 |
1.194 |
6.000-6.499 |
.033 |
.050 |
152.39-165.08 |
0.84 |
1.270 |
6.500-6.999 |
.035 |
.053 |
165.09-177.78 |
0.89 |
1.346 |
7.000-7.499 |
.037 |
.056 |
177.79-190.48 |
0.94 |
1.422 |
Hot-finished seamless mechanical tubing---Wall Thickness Tolerances
Wall ThicknessPercent of OD |
Maximum Percent Over & Under Nominal |
Wall ThicknessPercent of OD |
Maximum Percent Over & Under Nominal |
OD 2” and Over |
OD 50.08mm and Over |
||
Under 10 10 to 25 |
10.0 7.5 |
Under 10 10 to 25 |
10.0 7.5 |