Seamless Steel Pipe

Seamless Mechanical Tube, Seamless mechanical steel tube

Seamless Steel Pipe

Seamless Mechanical Tube, Seamless mechanical steel tube
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Seamless Mechanical Tube

Seamless Mechanical Tube

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



Seamless Mechanical Tube