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Extra Heavy Pipe Schedule 80 - ASTM A53 Type A <br /> Outside Diameter Inside Diameter Wall Thickness Nominal Weight(Mass) per unit Length <br /> NPS DN <br /> Designator Designator Plain End Plain End Threads& Threads& <br /> (Inches) (mm) (Inches) (mm) (Inches) (mm) Plain <br /> E lain(kg En Couplings Couplings <br /> (lb/ff) (kg/m <br /> 1/8" 6 0.405 10.3 0.215 5.5 0.095 2.41 0.31 0.47 0.32 0.46 <br /> 1/4" 8 0.540 13.7 0.302 7.7 0.119 3.02 0.54 0.80 0.54 0.80 <br /> 3/8" 10 0.675 17.1 0.423 10.7 0.126 3.20 0.74 1.10 0.74 1.10 <br /> 1/2" 15 0.840 21.3 0.549 13.9 0.147 3.73 1.09 1.62 1.09 1.62 <br /> 3/4" 20 1.050 26.7 0.742 18.8 0.154 3.91 1.48 2.20 1.48 2.21 <br /> 1" 25 1.315 33.4 0.957 24.3 0.179 4.55 2.17 3.24 2.19 3.25 <br /> 1-1/4" 32 1.660 42.2 1.278 32.5 0.191 4.85 3.00 4.47 3.03 4.49 <br /> 1-1/2" 40 1.900 48.3 1.500 38.1 0.200 5.08 3.63 5.41 3.65 5.39 <br /> 2" 50 2.375 60.3 1.939 49.3 0.218 5.54 5.03 7.48 5.08 7.55 <br /> 2-1/2" 65 2.875 73.0 2.323 59.0 0.276 7.01 7.67 11.41 7.75 11.52 <br /> 3" 80 3.500 88.9 2.900 73.7 0.300 7.62 10.26 15.27 10.35 15.39 <br /> 3-1/2" 90 4.000 101.6 3.364 85.4 0.318 8.08 12.52 18.63 12.67 18.82 <br /> 4" 100 4.500 114.3 3.826 97.2 0.337 8.56 15.00 22.32 15.20 22.60 <br /> Permissible Variations - ASTM A53 Grades A and B Pipe <br /> Permissible Variations for ASTM A53 Grades A and B Pipe <br /> O.D. Over Under <br /> NIPS 1/8 to 1-1/2 1/64" 1/64" <br /> Outside Diameter DN 6 to 40 (0.4mm) (0.4mm) <br /> NIPS 2 and up DN 50 and up 1% 1% <br /> Wall Thickness at Any Point -------- 12.50% <br /> Weight 10% 10% <br /> Mechanical Properties <br /> Grade A:Yield 30,000 (205 Mpa) psi minimum Tensile: 48,000 psi (330 Mpa) minimum <br /> Grade B:Yield 35,000 (240 Mpa) psi minimum Tensile: 60,000 psi (415 Mpa) minimum <br />