ASTM CLASS 600 WELDING NECK FLANGES

Item #Nominal Pipe SizeOutside Diameter (O)Thickness (T)Raised Face Diameter (R)Length Thru Hub (Y)Point of Weld (A)Hub Diameter (X)Bore (B)Approximate Weight (lbs)Bolt Circle (C)Number of HolesDiameter of Holes
0H600WNAN 1/2 3.75 0.56 1.38 2.06 0.84 1.50 Specified by purchaser 2 2.63 4 0.63
3Q600WNAN 3/4 4.63 0.63 1.69 2.25 1.05 1.88 Specified by purchaser 4 3.25 4 0.75
01600WNAN 1 4.88 0.69 2.00 2.44 1.32 2.13 Specified by purchaser 4 3.50 4 0.75
1Q600WNAN 1 1/4 5.25 0.81 2.50 2.63 1.66 2.50 Specified by purchaser 6 3.88 4 0.75
1H600WNAN 1 1/2 6.13 0.88 2.88 2.75 1.90 2.75 Specified by purchaser 8 4.50 4 0.88
02600WNAN 2 6.50 1.00 3.63 2.88 2.38 3.31 Specified by purchaser 12 5.00 8 0.75
2H600WNAN 2 1/2 7.50 1.13 4.13 3.13 2.88 3.94 Specified by purchaser 18 5.88 8 0.88
03600WNAN 3 8.25 1.25 5.00 3.25 3.50 4.63 Specified by purchaser 23 6.63 8 0.88
3H600WNAN 3 1/2 9.00 1.38 5.50 3.38 4.00 5.25 Specified by purchaser 26 7.25 8 1.00
04600WNAN 4 10.75 1.50 6.19 4.00 4.50 6.00 Specified by purchaser 42 8.50 8 1.00
05600WNAN 5 13.00 1.75 7.31 4.50 5.56 7.44 Specified by purchaser 68 10.50 8 1.13
06600WNAN 6 14.00 1.88 8.50 4.63 6.63 8.75 Specified by purchaser 81 11.50 12 1.13
08600WNAN 8 16.50 2.19 10.63 5.25 8.63 10.75 Specified by purchaser 120 13.75 12 1.25
10600WNAN 10 20.00 2.50 12.75 6.00 10.75 13.50 Specified by purchaser 190 17.00 16 1.38
12600WNAN 12 22.00 2.63 15.00 6.13 12.75 15.75 Specified by purchaser 225 19.25 20 1.38
14600WNAN 14 23.75 2.75 16.25 6.50 14.00 17.00 Specified by purchaser 280 20.75 20 1.50
16600WNAN 16 27.00 3.00 18.50 7.00 16.00 19.50 Specified by purchaser 390 23.75 20 1.63
18600WNAN 18 29.25 3.25 21.00 7.25 18.00 21.50 Specified by purchaser 475 25.75 20 1.75
20600WNAN 20 32.00 3.50 23.00 7.50 20.00 24.00 Specified by purchaser 590 28.50 24 1.75
22600WNAN 22 34.25 3.75 25.25 7.75 22.00 26.25 Specified by purchaser 720 30.63 24 1.88
24600WNAN 24 37.00 4.00 27.25 8.00 24.00 28.25 Specified by purchaser 830 33.00 24 2.00