Pipe Welded
  Specifications: ASTM - A312
  Finish Available: Welded & Seamless (Annealed, Pickled
     and Descaled)
  Length: 6 Metre
  Grades: 316/L and 304/L

SIZE
   GRADE
OLD BUGGERS YOUNG BUGGERS ACTUAL SIZE 304 316 KG/METRE
1/8" SCH 10 6 NB 10.29 x 1.24   .2772
1/8" SCH 40 6 NB 10.29 x 1.73   .3641
1/4" SCH 10 8 NB 13.7 x 1.65 .4905
1/4" SCH 40 8 NB 13.7 x 2.24 .6321
1/4" SCH 80 8 NB 13.7 x 3.02   .7962
3/8" SCH 10 10 NB 17.15 x 1.65 .6321
3/8" SCH 40 10 NB 17.15 x 2.3 .8445
3/8" SCH 80 10 NB 17.15 x 3.2   1.099
1/2" SCH 10 15 NB 21.34 x 2.11 1.618
1/2" SCH 40 15 NB 21.34 x 2.77 1.275
1/2" SCH 80 15 NB 21.34 x 3.73   1.618
3/4" SCH 10 20 NB 26.67 x 2.11 1.275
3/4" SCH 40 20 NB 26.67 x 2.87 1.682
3/4" SCH 80 20 NB 26.67 x 3.91   2.193
1" SCH 10 25 NB 33.4 x 2.77 2.089
1" SCH 40 25 NB 33.4 x 3.38 2.498
1" SCH 80 25 NB 33.4 x 4.55   3.231
1-1/4" SCH 10 32 NB 42.16 x 2.77 2.687
1-1/4" SCH 40  32 NB 42.16 x 3.56 3.382
1-1/4" SCH 80 32 NB 42.16 x 4.85   4.459
1-1/2" SCH 10 40 NB 48.26 x 2.77 3.102
1-1/2" SCH 40 40 NB 48.26 x 3.68 4.044
1-1/2" SCH 80 40 NB 48.26 x 5.08   5.402
2" SCH 10 50 NB 60.32 x 2.77 3.925
2" SCH 40 50 NB 60.32 x 3.91 5.435
2" SCH 80 50 NB 60.32 x 5.54   7.472
2 - 1/2" SCH 10 65 NB 73.02 x 3.05 5.254
2 - 1/2" SCH 40 65 NB 73.02 x 5.16 8.619
2 - 1/2" SCH 80 65 NB 73.02 x 7.01   11.39
3" SCH 10 80 NB 88.9 x 3.05 6.45
3" SCH 40 80 NB 88.9 x 5.49 11.27
3" SCH 80 80 NB 88.9 x 7.62   15.25
3-1/2" SCH 10 90 NB 101.6 x 3.05 7.399
3-1/2" SCH 40 90 NB 101.6 x 5.74 13.55
3-1/2" SCH 80 90 NB 101.6 x 8.08   18.69
4" SCH 10  100 NB 114.3 x 3.05   8,352
4" SCH 40 100 NB 114.3 x 6.02 16.05
4" SCH 80  100 NB 114.3 x 8.56   22.29
5" SCH 10  125 NB 141.3 x 3.40 11.56
5" SCH 40 125 NB 141.3 x 6.55   21.75
6" SCH 10  150 NB 168.27 x 3.40   13.82
6" SCH 40 150 NB 168.27 x 7.11   28.22
8" SCH 10  200 NB 219.07 x 3.76 19.93
8" SCH 40 200 NB 219.07 x 8.18 42.48
10" SCH 10  250 NB 273.05 x 4.19   27.82
10" SCH 40 250 NB 273.05 x 6.35   60.23
           

ll SCH 80 pipe is kept in a seamless condition.
Bursting pressures for s/s pipe are as follows. The following rates are based on seamless pipe.
For welding pipe multiply by .85 (weld joint efficency factor). Rates are based on the 316L and the 304L grafes. For a quick approximate conversion from P.S.I. to Mpa simply take the P.S.I and divide by 145.

Bursting pressure shown in P.S.I.

Nominal I.P.S (in.) Nominal O.D. (in.) Shedule 5S Wall (in.) Shedule 5S Pressure (psi) Shedule 10S Wall (in.) Shedule 10S Pressure (psi) Shedule 40S Wall (in.) Shedule 40S Pressure (psi) Shedule 80S Wall (in.) Shedule 80S Pressure (psi)
18 0.405 0.049 18150 0.068 25175 0.095 35175
14 0.540 0.065 18050 0.088 24450 0.119 33050
3/8 0.675 0.065 14450 0.091 20225 0.126 28000
1/2 0.840 0.065 11600 0.083 14825 0.109 19475 0.147 26250
3/4 1.050" 0.065 9275 0.083 11850 0.113 16150 0.154 22000
1 1.315 0.065 7425 0.109 12450 0.133 15175 0.179 20425
1 1/4 1.660 0.065 5875 0.109 9850 0.140 12650 0.191 17250
1 1/2 1.900 0.065 5125 0.109 8600 0.145 11450 0.200 15800
2 2.375 0.065 4100 0.109 6875 0.154 9750 0.218 13775
2 1/2 2.875 0.083 4325 0.120 6250 0.203 10600 0.276 14400
3 3.500 0.083 3550 0.120 5150 0.216 9250
3 1/2 4.000 0.083 3100 0.120 4500 0.226 8475
4 4.500 0.083 2750 0.120 4000 0.237 7900
5 5.563 0.109 2950 0.134 3625 0.258 6950
6 6.625 0.109 2475 0.134 3050 0.280 6350
8 8.625 0.109 1900 0.148 2575 0.322 5600
10 10.750 0.134 1875 0.165 2300 0.365 5100
12 12.750 0.156 1825 0.180 2125 0.375 4400
14 14.000 0.156 1675 0.188 2025
16 16.000 0.165 1550 0.188 1775
18 18.000 0.165 1375 0.188 1575
20 20.000 0.188 1400 0.218 1625
24 24.000 0.218 1375 0.250 1550
30 30.000 0.250 1250 0.312 1550

 
 
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