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Alcobra Metals, Inc. : Distributor of Specialty Metals
Resources » Pipe Size Chart

Pipe Reference Chart

 

Confused about wall thickness and pipe schedules? Please use the following ANSI pipe dimension weight chart. For your convenience STANDARD schedules are shaded blue and EXTRA HEAVY schedules are shaded red. This chart is for REFERENCE only. Some items on this list may not be readily available in todays market place. Please refer to our pipe lists in our inventory.

The sizes with an alloy specified on the chart are items we have on hand. Click the Alloy link and it will give you an option to purchase.

Click here for important information about pipe

 

 

 

 

 

1/8"

          

1/4"

        
                       
O.D.
Sch #
Wall
I.D.
 Stainless
 Aluminum
O.D.
Sch #
Wall
I.D.
 Stainless Aluminum
0.405
40
0.068
0.269
 6061
0.54
40
0.088
0.364
  T304/T316  6061
0.405
80
0.095
0.215
 
  
0.54
80
0.119
0.302
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

3/8"

  

1/2"

        
 
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
0.675
40
0.091
0.493
  6061
0.84
40
0.109
0.622
  T304/T316  6061/6063
0.675
80
0.126
0.423
 
  
0.84
80
0.147
0.546
  T304/T316  6061
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

3/4"

  

1"
   
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
1.05
40
0.113
0.824
  6061/6063
1.315
 
0.083
1.149
    
1.05
80
0.154
0.742
  6061
1.315
 
0.095
1.125
    
1.05
160
0.218
0.612
 
  
1.315
10
0.109
1.097
    
1.05
XXHY
0.308
0.434
 
  
1.315
 
0.125
1.065
    
 
 
 
 
 
  
1.315
40
0.133
1.049
  T304/T316  6061/6063
 
 
 
 
 
  
1.315
80
0.179
0.957
  T304  6061
 
 
 
 
 
  
1.315
XXHY
0.358
0.599
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

1 1/4"

  

1 1/2"
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
1.66
5
0.065
1.53
 
  
1.9
5
0.065
1.774
    
1.66
 
0.095
1.47
 
  
1.9
10
0.109
1.682
    
1.66
10
0.109
1.442
 
  
1.9
 
0.125
1.65
    
1.66
 
0.125
1.41
 
  
1.9
40
0.145
1.61
  T304/T316  6061/6063
1.66
40
0.14
1.38
  6061/6063
1.9
80
0.2
1.5
  T304  6061
1.66
80
0.191
1.278
 
  6061
1.9
160
0.281
1.338
    
1.66
160
0.25
1.16
 
  
1.9
XXHY
0.4
1.1
    
1.66
XXHY
0.382
0.896
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

2"

  

2 1/2"
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
2.375
5
0.065
2.245
 
  
2.875
 5
0.083
2.709
    
2.375
10
0.109
2.157
  
2.875
10
0.12
2.635
    
2.375
40
0.154
2.067
  6061/6063
2.875
 
0.156
2.563
    
2.375
80
0.218
1.939
  6061
2.875
40
0.203
2.469
  T304/T316  6061/6063
2.375
160
0.343
1.687
 
  
2.875
 
0.25
2.375
    
2.375
XXHY
0.436
1.5
 
  
2.875
80
0.276
2.323
  T304  6061
 
 
 
 
 
  
2.875
160
0.375
2.125
    
 
 
 
 
 
  
2.875
XXHY
0.552
1.771
    
 
 
 
 
 
  
 
 
 
 
    
 

3"

  

3 1/2"
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
3.5
5
0.078
3.344
 
  
4
5
0.083
3.834
    
3.5
 10
 .120
3.26
  
4
10
0.12
3.76
  T304  
3.5
 
0.188
3.124
 
  
4
40
0.226
3.548
  T304/T316  6061
3.5
40
0.216
3.068
  6061/6063
4
 
0.25
3.5
    
3.5
 
0.281
2.938
 
  
4
80
0.318
3.364
    6061
3.5
80
0.3
2.9
 
  6061
4
XXHY
0.636
2.728
    
3.5
160
0.437
2.624
 
  
 
 
 
 
    
3.5
XXHY
0.6
2.3
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

4"

  

5"
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
4.5
5
0.083
4.334
 
  
5.563
5
0.109
5.345
    
4.5
10
0.12
4.26
  
5.563
 10
0.134
5.313
    
4.5
 
0.203
4.094
 
  
5.563
40
0.258
5.047
  T304/T316  6061
4.5
40
0.237
4.026
  6061
5.563
 
0.312
4.939
    
4.5
60
0.281
3.938
 
  
5.563
80
0.375
4.813
    
4.5
 
0.312
3.876
 
  
5.563
120
0.5
4.563
    
4.5
80
0.337
3.826
  6061
5.563
160
0.625
4.313
    
4.5
120
0.438
3.624
 
  
5.563
XXHY
0.75
4.063
    
4.5
160
0.531
3.438
 
  
 
 
 
 
    
4.5
XXHY
0.674
3.152
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

6"

  

8"

  
 
  
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
6.625
 
0.094
6.437
 
  
8.625
5
0.109
8.407
    
6.625
5
0.109
6.407
 
  
8.625
 
0.12
8.385
    
6.625
10
0.134
6.357
 
  
8.625
 
0.141
8.343
    
6.625
 
0.141
6.343
 
  
8.625
10
0.148
8.329
    
6.625
 
0.25
6.125
 
  
8.625
20
0.25
8.125
    
6.625
40
0.28
6.065
  6061
8.625
30
0.277
8.071
    
6.625
 
0.344
5.937
 
  
8.625
40
0.322
7.981
    6061
6.625
80
0.432
5.761
  6061
8.625
 
0.375
7.875
    
6.625
 
0.5
5.625
 
  
8.625
60
0.406
7.813
    
6.625
120
0.562
5.501
 
  
8.625
 
0.438
7.749
    
6.625
 
0.625
5.375
 
  
8.625
80
0.5
7.625
    
6.625
160
0.719
5.187
 
  
8.625
 
0.562
7.501
    
6.625
XXHY
0.864
4.897
 
  
8.625
100
0.593
7.437
    
6.625
 
1.125
4.375
 
  
8.625
120
0.719
7.187
    
 
 
 
 
 
  
8.625
140
0.812
7.001
    
 
 
 
 
 
  
8.625
XXHY
0.875
6.875
    
 
 
 
 
 
  
8.625
160
0.906
6.813
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

10"

  

12"

    
 
 
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
10.75
5
0.134
10.48
 
  
12.75
 
0.172
12.406
    
10.75
10
0.165
10.42
 
  
12.75
 
0.219
12.312
    
10.75
 
0.188
10.374
 
  
12.75
20
0.25
12.25
    
10.75
 
0.237
10.276
 
  
12.75
30
0.33
12.09
    
10.75
20
0.25
10.25
 
  
12.75
 
0.344
12.062
    
10.75
 
0.279
10.192
 
  
12.75
STD
0.375
12
    
10.75
30
0.307
10.136
 
  
12.75
40
0.406
11.938
    
10.75
40
0.365
10.02
 
  
12.75
XHY
0.5
11.75
    
10.75
 
0.375
10
 
  
12.75
60
0.562
11.626
    
10.75
60
0.5
9.75
 
  
12.75
80
0.688
11.374
    
10.75
 
0.562
9.626
 
  
12.75
 
0.75
11.25
    
10.75
80
0.593
9.562
 
  
12.75
100
0.844
11.062
    
10.75
 
0.625
9.5
 
  
12.75
120 / XXHY
1
10.75
    
10.75
100
0.719
9.312
 
  
12.75
140
1.125
10.5
    
10.75
 
0.812
9.126
 
  
12.75
160
1.312
10.126
    
10.75
120
0.844
9.062
 
  
 
 
 
 
    
10.75
140 / XXHY
1
8.75
 
  
 
 
 
 
    
10.75
160
1.125
8.5
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 
 
 
 
 
  
 
 
 
 
    
 

14"

 16"

  
 
 
O.D.
Sch #
Wall
I.D.
 Stainless
  Aluminum
O.D.
Sch #
Wall
I.D.
  Stainless  Aluminum
14
 
0.237
13.526
 
  
16
10
0.25
15.5
    
14
10
0.25
13.5
 
  
16
 
0.281
15.438
    
14
 
0.281
13.438
 
  
16
20
0.312
15.376
    
14
20
0.312
13.376
 
  
16
 
0.344
15.312
    
14
 
0.344
13.312
 
  
16
30
0.375
15.25
    
14
30
0.375
13.25
 
  
16
 
0.406
15.188
    
14
40
0.438
13.124
 
  
16
 
0.469
15.062
    
14
 
0.459
13.082
 
  
16
40 / XHY
0.5
15
    
14
XHY
0.5
13
 
  
16
 
0.562
14.876
    
14
60
0.594
12.812
 
  
16
60
0.656
14.688
    
14
80
0.75
12.5
 
  
16
80
0.844
14.376
    
14
 
0.812
12.376
 
  
16
100
1.031
13.938
    
14
100
0.938
12.124
 
  
16
120
1.219
13.562
    
14
120
1.094
11.812
 
  
16
140
1.438
13.124
    
14
140
1.25
11.5
 
  
16
160
1.594
12.812
    
14
160
1.406
11.188