STEEL TUBE AND PIPE HANDBOOK - February 2012

69 Nr B.W.G. S.W.G. Nearest gauge inch mm inch mm 1/64 inch (BWG) 36 0.004 0,102 0.0076 0,193 – 35 0.005 0,127 0.0084 0,213 – 34 0.007 0,178 0.0092 0,234 – 33 0.008 0,203 0.0100 0,254 – 32 0.009 0,229 0.0108 0,274 – 31 0.010 0,254 0.0116 0,295 – 30 0.012 0,305 0.0124 0,315 – 29 0.013 0,330 0.0136 0,345 – 28 0.014 0,356 0.0148 0,376 – 27 0.016 0,406 0.0164 0,417 1/64 26 0.018 0,457 0.018 0,457 1/64 25 0.020 0,508 0.020 0,508 1/64 24 0.022 0,559 0.022 0,559 1/64 23 0.025 0,635 0.024 0,610 1/32 22 0.028 0,711 0.028 0,711 1/32 21 0.032 0,813 0.032 0,813 1/32 20 0.035 0,889 0.036 0,914 1/32 19 0.042 1,067 0.040 1,016 3/64 18 0.049 1,245 0.048 1,219 3/64 17 0.058 1,473 0.056 1,422 1/16 16 0.065 1,651 0.064 1,626 1/16 15 0.072 1,829 0.072 1,829 5/64 Nr B.W.G. S.W.G. Nearest gauge inch mm inch mm 1/64 inch (BWG) 14 0.083 2,108 0.080 2,032 5/64 13 0.095 2,413 0.092 2,337 3/32 12 0.109 2,769 0.104 2,642 7/64 11 0.120 3,048 0.116 2,946 1/8 10 0.134 3,404 0.128 3,251 9/64 9 0.148 3,759 0.144 3,658 9/64 8 0.165 4,191 0.160 4,064 11/64 7 0.180 4,572 0.176 4,470 3/16 6 0.203 5,156 0.192 4,877 13/64 5 0.220 5,588 0.212 5,385 7/32 4 0.238 6,045 0.232 5,893 15/64 3 0.259 6,579 0.252 6,401 17/64 2 0.284 7,214 0.276 7,010 9/32 1 0.300 7,620 0.300 7,620 19/64 0 0.340 8,636 0.324 8,230 11/32 2/0 0.380 9,652 0.348 8,839 3/8 3/0 0.425 10,80 0.372 9,449 27/64 4/0 0.454 11,53 0.400 10,16 29/64 5/0 – – 0.432 10,97 – 6/0 – – 0.464 11,78 – 7/0 – – 0.500 12,70 – Standard wire gauge for wall thickness US units SI SI US units 1 inch 25,4 mm 1 mm 0.03937 inch 12 inches = 1 foot 304,8 mm 1 m 3.2808 feet 1 sq inch 645 mm 2 1 mm 2 0.00155 sq inch 1 sq foot 0,093 m 2 1 m 2 10.753 sq feet 1 cubic foot 0,02831685 m 3 1 m 3 35.31 cubic feet 1pound (1lb) 0,453592 kg 1 kg 2.20462 lbs 1 short ton (US) 0,907185 metric t 1 metric t 1,10231 short ton 1 long ton (UK) 1,01605 metric t 1 metric t 0,9842 long ton 1 ksi 6,894757 Mpa 1 Mpa 0,145038 ksi Units: inch (in) foot (ft) pound (lb) Temperature: °C = 5/9 (°F – 32) °F = 9/5 °C + 32 Conversion of weight to length – C-steel: Dimensions in mm: 0,0246615 (D – T).T (kg/m) Dimensions in inch: 10,68142 (D – T).T (lbs/ft) Weight conversion: kg/m = 1,48816 lb/ft lb/ft = 0,67197 kg/m Pressure conversion: 1 Pa = 1 N/m 2 1 MPa = 1 N/mm 2 1 MPa = 10,1972 at 1 MPa = 10 6 Pa = 10 bar 1 at = 1 kp/cm 2 (old unit) 1 at = 0,09806 MPa 1 at = 0,98066 bar 1 bar = 1,01972 at (tech) 1 bar = 100 000 Pa (100 kPa) 1 bar = 14,504 psi 1 psi (pound per square inch) = 1 lb/in 2 1 psi = 0,006894757 MPa (6 895 kPa) 1 psi = 0,06894 bar (0,070307 at) 1 ksi = 1 000 psi = 6,895 (6,9) MPa Conversion table