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Copper Tubing Size Chart ASTM B-88

Hydraulic, Pneumatic Design & Engineering | Fluid Power Engineering

Design specifications for Copper tube, tubing types and standards based on ASTM B88, Type K, L, and M size, wall thickness and weight specifications. Copper tubing size chart.

Dimensions and Physical Characteristics of Copper Tube: TYPE K

Nominal Size inches	Outside Diameter	Inside Diameter	Wall Thickness	Calculated Values (based on nominal dimensions)
				Area of Bore, sq inches	Weight of Tube Only, pounds/linear ft	Cross Weigh of Tube & Water, pounds/linear ft	Contents of Tube per linear ft
							Cu ft	Gal
1/4	.375	.305	.035	.073	.145	.177	.00051	.00379
3/8	.500	.402	.049	.127	.269	.324	.00088	.00660
1/2	.625	.527	.049	.218	.344	.438	.00151	.0113
5/8	.750	.652	.049	.334	.418	.562	.00232	.0174
3/4	.875	.745	.065	.436	.641	.829	.00303	.0227
1	1.125	.995	.065	.778	.839	1.18	.00540	.0404
1 1/4	1.375	1.245	.065	1.22	1.04	1.57	.00847	.0634
1 1/2	1.625	1.481	.072	1.72	1.36	2.10	.0119	.0894
2	2.125	1.959	.083	3.01	2.06	3.36	.0209	.156
2 1/2	2.625	2.435	.095	4.66	2.93	4.94	.0324	.242
3	3.125	2.907	.109	6.64	4.00	6.87	.0461	.345
3 1/2	3.625	3.385	.120	9.00	5.12	9.01	.0625	.468
4	4.125	3.857	.134	11.7	6.51	11.6	.0813	.608
5	5.125	4.805	.160	18.1	9.67	17.5	.126	.940
6	6.125	5.741	.192	25.9	13.9	25.1	.180	1.35
8	8.125	7.583	.271	45.2	25.9	45.4	.314	2.35
10	10.125	9.449	.338	70.1	40.3	70.6	.487	3.64
12	12.125	11.315	.405	100.55	57.8	101	.701	5.25

 

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Dimensions and Physical Characteristics of Copper Tube: TYPE L

Nominal or Standard Size, inches	Nominal Dimensions, inches			Calculated Values (based on nominal dimensions)
	Outside Diameter	Inside Diameter	Wall Thickness	Cross Sectional Area of Bore, sq inches	Weight of Tube Only, pounds/linear ft	Weight of Tube & Water, pounds/per linear ft	Contents of Tube per linear ft
							Cu ft	Gal
1/4	.375	.315	.030	.078	.126	.160	.00054	.00405
3/8	.500	.430	.035	.145	.198	.261	.00101	.00753
1/2	.625	.545	.040	.233	.285	.386	.00162	.0121
5/8	.750	.666	.042	.348	.362	.506	.00232	.0174
3/4	.875	.785	.045	.484	.455	.664	.00336	.0251
1	1.125	1.025	.050	.825	.655	1.01	.00573	.0429
1 1/4	1.375	1.265	.055	1.26	.884	1.43	.00875	.0655
1 1/2	1.625	1.505	.060	1.78	1.14	1.91	.0124	.0925
2	2.125	1.985	.070	3.09	1.75	3.09	.0215	.161
2 1/2	2.625	2.465	.080	4.77	2.48	4.54	.0331	.248
3	3.125	2.945	.090	6.81	3.33	6.27	.0473	.354
3 1/2	3.625	3.425	.100	9.21	4.29	8.27	.0640	.478
4	4.125	3.905	.110	12.0	5.38	10.1	.0764	.571
5	5.125	4.875	.125	18.7	7.61	15.7	.130	.971
6	6.125	5.845	.140	26.8	10.2	21.8	.186	1.39
8	8.125	7.725	.200	46.9	19.3	39.6	.326	2.44
10	10.125	9.625	.250	72.8	30.1	61.6	.506	3.78
12	12.125	11.565	.280	105	40.4	85.8	.729	5.45

 

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Dimensions and Physical Characteristics of Copper Tube: TYPE M

Nominal Dimensions, inches						Calculated Values (based on nominal size)
Nominal inches	Outside Diameter	Inside Diameter			Wall Thickness	Cross Sectional Area of Bore, sq inches	Weight Tube Only, pounds per linear ft			Contents of Tube per linear ft
										Weight Tube & Water pounds per linear ft	Cu ft	Gal
3/8	.500	.450			.025	.159	.145			.214	.00110	.00826
1/2	.625	.569			.028	.254	.204			.314	.00176	.0132
3/4	.875	.811			.032	.517	.328			.551	.00359	.0269
1	1.125	1.055			.035	.874	.465			.843	.00607	.0454
1 1/4	1.375	1.291			.042	1.31	.682			1.25	.00910	.0681
1 1/2	1.625	1.527			.049	1.83	.940			1.73	.0127	.0951
2	2.125	2.009			.058	3.17	1.46			2.83	.0220	.165
2 1/2	2.625	2.495			.065	4.89	2.03			4.14	.0340	.254
3	3.125	2.981			.072	6.98	2.68			5.70	.0485	.363
3 1/2	3.625	3.459			.083	9.40	3.58			7.64	.0653	.488
4	4.125	3.935			.095	12.2	4.66			9.83	.0847	.634
5	5.125	4.907			.109	18.9	6.66			14.8	.131	.982
6	6.125	5.881			.122	27.2	8.92			20.7	.189	1.41
8	8.125	7.785			.170	47.6	16.5			37.1	.331	2.47
10	10.125	9.701			.212	73.9	25.6			57.5	.513	3.84
12	12.125	11.617			.254	106	36.7			82.5	.736	5.51

 

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Dimensions and Physical Characteristics of Copper Tube: DWV (Drain, Waste and Vent)

Nominal, inches	Nominal Size, inches			Calculated Values (based on nominal size)
	Outside Diameter	Inside Diameter	Wall Thickness	Cross Sectional Area of Bore, sq inches	Weight of Tube Only, pounds/linear ft	Weight of Tube & Water, pounds/linear ft	Contents of Tube per linear ft
							Cu ft	Gal
1 1/4	1.375	1.295	.040	1.32	.650	1.22	.00917	.0686
1 1/2	1.625	1.541	.042	1.87	.809	1.62	.0130	.0971
2	2.125	2.041	.042	3.27	1.07	2.48	.0227	.170
3	3.125	3.030	.045	7.21	1.69	4.81	.0501	.375
4	4.125	4.009	.058	11.6	2.87	7.88	.0806	.603
5	5.125	4.981	.072	19.5	4.43	12.9	.135	1.01
6	6.125	5.959	.083	27.9	6.10	18.2	.194	1.45
8	8.125	7.907	.109	49.1	10.6	31.8	.341	2.55

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