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Schedule Size Conversion

Aluminum Schedule 40 Pipe:

Nominal Pipe Size Outside Diameter Wall
3/8"0.6750.09
1/2"0.840.109
3/4"1.050.113
1"1.3150.133
1 1/4"1.660.14
1 1/2"1.90.145
2"2.3750.154
2 1/2"2.8750.203
3"3.50.216
3 1/2"40.226
4"4.50.237
5"5.5630.258
6"6.6250.28
8"8.6250.322
10"10.750.365
12"12.750.406


Aluminum Schedule 80 Pipe:

Nominal Pipe Size Outside Diameter Wall
1/2"0.840.147
3/4"1.050.154
1"1.3150.179
1 1/4"1.660.191
1 1/2"1.90.2
2"2.3750.218
2 1/2"2.8750.276
3"3.50.3
3 1/2"40.318
4"4.50.337
5"5.563375
6"6.6250.432
8"8.6250.5
10"10.750.593
12"12.750.687