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
A-519
D.O.M mechanical tubing
A-513 T5
E.R.W mechanical tubing
A-513 T1 or T2
Process of meachanical tubing
Mill of seamless mechanical tubin
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 |