대진동관공업주식회사


Product Straight Tube

ASTM B75 _ Seamless Copper Tube
Outside Diameter
inch mm Tolerance(inch)
Up to 1/8 Up to 3.18 0.002
Over 1/8 - 5/8 Over 3.18 - 15.88 0.002
Over 5/8 - 1 Over 15.88 - 25.40 0.0025
Over 1 - 2 Over 25.40 - 50.8 0.003
Over 2 - 3 Over 50.8 - 76.2 0.004
Over 3 - 4 Over 76.2 - 101.6 0.005
Over 4 - 5 Over 101.6 - 127.0 0.006
Over 5 - 6 Over 127.0 - 152.4 0.007
Over 6 - 8 Over 152.4 - 203.2 0.008
Wall Thickness Tolerances Outside
inch mm Up to 1/8 Over 1/8 - 5/8 Over 5/8 - 1 Over 1 - 2 Over 2 - 4 Over 4 - 7 Over 7 - 10
Up to 0.017 Up to 0.43 0.002 0.001 0.0015 0.002 - - -
Over 0.017 - 0.024 Over 0.43 - 0.61 0.003 0.002 0.002 0.0025 - - -
Over 0.024 - 0.034 Over 0.61 - 0.86 0.003 0.0025 0.0025 0.003 0.004 - -
Over 0.034 - 0.057 Over 0.86 - 1.45 0.003 0.003 0.0035 0.0035 0.005 0.007 -
Over 0.057 - 0.082 Over 1.45 - 2.08 - 0.0035 0.004 0.004 0.006 0.008 0.010
Over 0.082 - 0.119 Over 2.08 - 3.02 - 0.004 0.005 0.0065 0.007 0.009 0.011
Over 0.119 - 0.164 Over 3.02 - 4.17 - 0.005 0.006 0.006 0.008 0.010 0.012
Over 0.164 - 0.219 Over 4.17 - 5.56 - 0.007 0.009 0.009 0.011 0.012 0.014
ASTM B88_Seamless Copper Water Tube
TYPE Nominal Size Actual Size Outside Diameter Wall Thickness Weight
inch mm Tolerance (inch) inch mm Tolerance (inch) kg/m lb/ft
K 1/4 3/8 0.375 9.52 0.001 0.035 0.889 0.004 0.216 0.145
3/8 1/2 0.500 12.70 0.001 0.049 1.245 0.005 0.400 0.269
1/2 5/8 0.625 15.88 0.001 0.049 1.245 0.005 0.512 0.344
5/8 3/4 0.750 19.05 0.001 0.049 1.245 0.005 0.622 0.418
3/4 7/8 0.875 22.22 0.001 0.065 1.651 0.006 0.954 0.641
1 1 1/8 1.125 28.58 0.002 0.065 1.651 0.006 1.248 0.839
1 1/4 1 3/8 1.375 34.92 0.002 0.065 1.651 0.006 1.543 1.037
1 1/2 1 5/8 1.625 41.28 0.002 0.072 1.829 0.007 2.026 1.361
2 2 1/8 2.125 53.98 0.002 0.083 2.108 0.008 3.070 2.063
2 1/2 2 5/8 2.625 66.68 0.002 0.095 2.413 0.010 4.355 2.926s
3 3 1/8 3.125 79.38 0.002 0.109 2.769 0.011 5.957 4.003
3 1/2 3 5/8 3.625 92.08 0.002 0.120 3.048 0.012 7.620 5.120
4 4 1/8 4.125 104.78 0.002 0.134 3.404 0.013 9.690 6.511
5 5 1/8 5.125 130.18 0.002 0.160 4.064 0.016 14.392 9.671
6 6 1/8 6.125 155.58 0.002 0.192 4.877 0.019 20.638 13.868
L 1/4 3/8 0.375 9.52 0.001 0.030 0.762 0.003 0.188 0.126
3/8 1/2 0.500 12.70 0.001 0.035 0.889 0.004 0.295 0.198
1/2 5/8 0.625 15.88 0.001 0.040 1.016 0.004 0.424 0.285
5/8 3/4 0.750 19.05 0.001 0.042 1.067 0.004 0.539 0.362
3/4 7/8 0.875 22.22 0.001 0.045 1.143 0.004 0.677 0.455
1 1 1/8 1.125 28.58 0.002 0.050 1.270 0.005 0.974 0.654
1 1/4 1 3/8 1.375 34.92 0.002 0.055 1.397 0.006 1.315 0.884
1 1/2 1 5/8 1.625 41.28 0.002 0.060 1.524 0.006 1.701 1.143
2 2 1/8 2.125 53.98 0.002 0.070 1.778 0.007 2.606 1.751
2 1/2 2 5/8 2.625 66.68 0.002 0.080 2.032 0.008 3.689 2.479
3 3 1/8 3.125 79.38 0.002 0.090 2.286 0.009 4.949 3.325
3 1/2 3 5/8 3.625 92.08 0.002 0.100 2.540 0.010 6.386 4.291
4 4 1/8 4.125 104.78 0.002 0.110 2.794 0.011 8.001 5.377
5 5 1/8 5.125 130.18 0.002 0.125 3.175 0.012 11.323 7.609
6 6 1/8 6.125 155.58 0.002 0.140 3.556 0.014 15.180 10.200
M 1/4 3/8 0.375 9.52 0.001 - - - - -
3/8 1/2 0.500 12.70 0.001 0.025 0.635 0.002 0.215 0.145
1/2 5/8 0.625 15.88 0.001 0.028 0.711 0.003 0.303 0.204
5/8 3/4 0.750 19.05 0.001 - - - - -
3/4 7/8 0.875 22.22 0.001 0.032 0.813 0.003 0.489 0.329
1 1 1/8 1.125 28.58 0.002 0.035 0.889 0.004 0.691 0.464
1 1/4 1 3/8 1.375 34.92 0.002 0.042 1.067 0.004 1.015 0.682
1 1/2 1 5/8 1.625 41.28 0.002 0.049 1.245 0.005 1.400 0.940
2 2 1/8 2.125 53.98 0.002 0.058 1.473 0.006 2.172 1.459
2 1/2 2 5/8 2.625 66.68 0.002 0.065 1.651 0.006 3.015 2.026
3 3 1/8 3.125 79.38 0.002 0.072 1.829 0.007 3.983 2.676
3 1/2 3 5/8 3.625 92.08 0.002 0.083 2.108 0.008 5.326 3.579
4 4 1/8 4.125 104.78 0.002 0.095 2.413 0.010 6.936 4.661
5 5 1/8 5.125 130.18 0.002 0.109 2.769 0.011 9.907 6.657
6 6 1/8 6.125 155.58 0.002 0.122 3.099 0.012 13.269 8.916
ASTM B819 _ Seamless Copper Tube for Medical Gas Systems
TYPE Nominal Size Actual Size Outside Diameter Well Thickness Weight
inch mm Tolerance (inch) inch mm Tolerance (inch) kg/m lb/ft
K 1/4 3/8 0.375 9.52 0.001 0.035 0.889 0.004 0.216 0.145
3/8 1/2 0.500 12.70 0.001 0.049 1.245 0.005 0.400 0.269
1/2 5/8 0.625 15.88 0.001 0.049 1.245 0.005 0.512 0.344
5/8 3/4 0.750 19.05 0.001 0.049 1.245 0.005 0.622 0.418
3/4 7/8 0.875 22.22 0.001 0.065 1.651 0.006 0.954 0.641
1 1 1/8 1.125 28.58 0.0015 0.065 1.651 0.006 1.248 0.839
1 1/4 1 3/8 1.375 34.92 0.0015 0.065 1.651 0.006 1.543 1.037
1 1/2 1 5/8 1.625 41.28 0.002 0.072 1.829 0.007 2.026 1.361
2 2 1/8 2.125 53.98 0.002 0.083 2.108 0.008 3.070 2.063
2 1/2 2 5/8 2.625 66.68 0.002 0.095 2.413 0.010 4.355 2.926
3 3 1/8 3.125 79.38 0.002 0.109 2.769 0.011 5.957 4.003
3 1/2 3 5/8 3.625 92.08 0.002 0.120 3.048 0.012 7.620 5.120
4 4 1/8 4.125 104.78 0.002 0.134 3.404 0.013 9.690 6.511
5 5 1/8 5.125 130.18 0.002 0.160 4.064 0.016 14.392 9.671
6 6 1/8 6.125 155.58 0.002 0.192 4.877 0.019 20.638 13.868
L 1/4 3/8 0.375 9.52 0.001 0.030 0.762 0.003 0.188 0.126
3/8 1/2 0.500 12.70 0.001 0.035 0.889 0.004 0.295 0.198
1/2 5/8 0.625 15.88 0.001 0.040 1.016 0.004 0.424 0.285
5/8 3/4 0.750 19.05 0.001 0.042 1.067 0.004 0.539 0.362
3/4 7/8 0.875 22.22 0.001 0.045 1.143 0.004 0.677 0.455
1 1 1/8 1.125 28.58 0.0015 0.050 1.270 0.005 0.974 0.654
1 1/4 1 3/8 1.375 34.92 0.0015 0.055 1.397 0.006 1.315 0.884
1 1/2 1 5/8 1.625 41.28 0.002 0.060 1.524 0.006 1.701 1.143
2 2 1/8 2.125 53.98 0.002 0.070 1.778 0.007 2.606 1.751
2 1/2 2 5/8 2.625 66.68 0.002 0.080 2.032 0.008 3.689 2.479
3 3 1/8 3.125 79.38 0.002 0.090 2.286 0.009 4.949 3.325
3 1/2 3 5/8 3.625 92.08 0.002 0.100 2.540 0.010 6.386 4.291
4 4 1/8 4.125 104.78 0.002 0.110 2.794 0.011 8.001 5.377
5 5 1/8 5.125 130.18 0.002 0.125 3.175 0.012 11.323 7.609
6 6 1/8 6.125 155.58 0.002 0.140 3.556 0.014 15.180 10.200