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Amco Metals Threaded Flanges

ANSI B 16.5 Class 600 lb
ANSI B 16.5
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Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #

Pipe Flange Data Hub Data Raised Face Drilling Data Weight
A B C D E F G H I J
Outside Dia
In Mm		 Overall Dia
In Mm		 Counter Bore
In Mm		 Flange Thickness min
In Mm		 Overall Length
In Mm		 Threaded Length min
In Mm		 Hub Dia
In Mm		 Face Dia
In Mm		 Number of Holes Bolt Hole Dia
In Mm		 Dia of Circle of Holes
In Mm		 Kg/ Piece
½ 0.840 3.750 0.930 0.560 0.880 0.620 1.500 1.380 4 0.620 2.620 0.74
21.30 95.30 23.60 14.20 22.40 15.70 38.10 35.00 15.70 66.55
¾ 1.050 4.620 1.140 0.620 1.000 0.620 1.880 1.690 4 0.750 3.250 1.27
26.70 117.3 29.00 15.70 25.40 15.70 47.80 42.90 19.10 82.60
1 1.315 4.880 1.410 0.690 1.120 0.690 2.120 2.000 4 0.750 3.500 1.52
33.40 124.0 35.80 17.50 28.40 17.50 53.80 50.80 19.10 88.90
1 ¼ 1.660 5.250 1.750 0.810 1.120 0.810 2.500 2.500 4 0.750 3.880 2.03
42.20 133.4 44.40 20.60 28.40 20.60 63.50 63.50 19.10 98.60
1 ½ 1.900 6.120 1.990 0.880 1.250 0.880 2.750 2.880 4 0.880 4.500 2.96
48.30 155.4 50.50 22.40 31.75 22.40 69.85 73.15 22.40 114.3
2 2.375 6.500 2.500 1.000 1.440 1.120 3.310 3.620 8 0.750 5.000 3.62
60.30 165.1 63.50 25.40 36.60 28.40 84.10 91.90 19.10 127.0
2 ½ 2.875 7.500 3.000 1.120 1.620 1.250 3.940 4.120 8 0.880 5.880 5.28
73.00 190.5 76.20 28.40 41.10 31.75 100.1 104.6 22.40 149.4
3 3.500 8.250 3.630 1.250 1.810 1.380 4.620 5.000 8 0.880 6.620 7.00
88.90 209.6 92.20 31.75 46.00 35.10 117.3 127.0 22.40 168.1
3 ½ 4.000 9.000 4.130 1.380 1.940 1.560 5.250 5.500 8 1.000 7.250 8.84
101.6 228.6 104.9 35.10 49.30 39.60 133.4 139.7 25.40 184.2
4 4.500 10.75 4.630 1.500 2.120 1.620 6.000 6.190 8 1.000 8.500 14.5
114.3 273.1 117.6 38.10 53.80 41.10 152.4 157.2 25.40 215.9
5 5.563 13.00 5.690 1.750 2.380 1.880 7.440 7.310 8 1.120 10.50 24.4
141.3 330.2 144.5 44.50 60.45 47.80 189.0 185.7 28.40 266.7
6 6.625 14.00 6.750 1.880 2.620 2.000 8.750 8.500 12 1.120 11.50 28.7
168.3 355.6 171.4 47.80 66.55 50.80 222.3 215.9 28.40 292.1
8 8.625 16.50 8.750 2.190 3.000 2.250 10.75 10.62 12 1.250 13.75 43.4
219.1 419.1 222.3 55.60 76.20 57.15 273.1 269.7 31.75 349.3
10 10.75 20.00 10.88 2.500 3.380 2.560 13.50 12.75 16 1.380 17.00 70.3
273.0 508.0 276.3 63.50 85.90 65.00 342.9 323.8 35.10 431.8
12 12.75 22.00 12.94 2.620 3.620 2.750 15.75 15.00 20 1.380 19.25 84.2
323.8 558.8 328.7 66.55 91.90 69.85 400.1 381.0 35.10 489.0
14 14.00 23.75 14.19 2.750 3.690 2.880 17.00 16.25 20 1.500 20.75 98.7
355.6 603.3 360.4 69.85 93.70 73.15 431.8 412.7 38.10 527.1
16 16.00 27.00 16.19 3.000 4.190 3.060 19.50 18.50 20 1.620 23.75 142
406.4 685.8 411.2 76.20 106.4 77.70 495.3 469.9 41.10 603.3
18 18.00 29.25 18.19 3.250 4.620 3.120 21.50 21.00 20 1.750 25.75 173
457.2 743.0 462.0 82.60 117.3 79.25 546.1 533.4 44.50 654.1
20 20.00 32.00 20.19 3.500 5.000 3.250 24.00 23.00 24 1.750 28.50 220
508.0 812.8 512.8 88.90 127.0 82.60 609.6 584.2 44.50 723.9
24 24.00 37.00 24.19 4.000 5.500 3.620 28.25 27.25 24 2.000 33.00 312
609.6 939.8 614.4 101.6 139.7 91.90 717.6 692.1 50.80 838.2

Notes
  • The thread conforms to ASME B1. 20.1 NTP threads as described in Section 10. (The only exceptions are small male and female plain face threaded flanges which use NPSL locknut threads)
  • Class 300 and higher threaded flanges are counter-bored. Threads are chamfered to the counterbore at an angle of 450 (approx)
  • Weights are based on manufacturer's data and are approximate


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ANSI B 16.5 Class 900 lb
ANSI B 16.5
Request a Quote
Stainless Steel : ASTM A 182, A 240

Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex stainless steel UNS S31803, 2205, Super Duplex stainless steel UNS S32750

Carbon Steel : ASTM A 105, ASTM A 181

Alloy Steel : ASTM A 182, GR F1, F11, F22, F5, F9, F91

Nickel Alloys : Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22,C276

Copper Alloys : Copper, Brass & Gunmetal

Size : 1/8" NB TO 48"NB.

Class : 150#, 300#,400 #,600#,900#, 1500# & 2500 #

Pipe Flange Data Hub Data Raised Face Drilling Data Weight
A B C D E F G H I J
Outside Dia
In Mm		 Overall Dia
In Mm		 Counter Bore
In Mm		 Flange Thickness min
In Mm		 Overall Length
In Mm		 Threaded Length min
In Mm		 Hub Dia
In Mm		 Face Dia
In Mm		 Number of Holes Bolt Hole Dia
In Mm		 Dia of Circle of Holes
In Mm		 Kg/ Piece
½ 0.840 4.750 0.930 0.880 1.250 0.880 1.500 1.380 4 0.880 3.250 1.74
21.30 120.6 23.60 22.30 31.70 22.30 38.10 35.10 22.30 82.50
¾ 1.050 5.120 1.140 1.000 1.380 1.000 1.750 1.690 4 0.880 3.500 2.34
26.70 130.0 29.00 25.40 35.00 25.40 44.00 42.90 22.30 88.90
1 1.315 5.880 1.410 1.120 1.620 1.120 2.060 2.000 4 1.000 4.000 3.44
33.40 149.3 35.80 28.40 41.10 28.40 52.30 50.80 25.40 101.6
1 ¼ 1.660 6.250 1.750 1.120 1.620 1.190 2.500 2.500 4 1.000 4.380 3.91
42.20 158.7 44.40 28.40 41.10 30.20 63.50 63.50 25.40 111.2
1 ½ 1.900 7.000 1.990 1.250 1.750 1.250 2.750 2.880 4 1.120 4.880 5.36
48.30 177.8 50.50 31.70 44.50 31.70 69.85 73.15 28.40 123.9
2 2.375 8.500 2.500 1.500 2.250 1.500 4.120 3.620 8 1.000 6.500 9.85
60.30 215.9 63.50 38.10 57.15 38.10 104.6 91.90 25.40 165.1
2 ½ 2.875 9.620 3.000 1.620 2.500 1.880 4.880 4.120 8 1.120 7.500 13.7
73.00 244.3 76.20 41.10 63.50 47.70 123.9 104.6 28.40 190.5
3 3.500 9.500 3.630 1.500 2.120 1.620 5.000 5.000 8 1.000 7.500 11.6
88.90 241.3 92.20 38.10 53.80 41.10 127.0 127.0 25.40 190.5
4 4.500 11.50 4.630 1.750 2.750 1.880 6.250 6.190 8 1.250 9.250 19.7
114.3 292.1 117.6 44.40 69.85 47.80 158.7 157.2 31.70 234.9
5 5.563 13.75 5.690 2.000 3.120 2.120 7.500 7.310 8 1.380 11.00 31.9
141.3 349.2 144.5 50.80 79.25 53.80 190.5 185.7 35.00 279.4
6 6.625 15.00 6.750 2.190 3.380 2.250 9.250 8.500 12 1.250 12.50 41.1
168.3 381.0 171.4 55.60 85.80 57.15 234.9 215.9 31.70 317.5
8 8.625 18.50 8.750 2.500 4.000 2.500 11.75 10.62 12 1.500 15.50 70.7
219.1 469.9 222.2 63.50 101.6 63.50 298.4 269.7 38.10 393.7
10 10.75 21.50 10.88 2.750 4.250 2.810 14.50 12.75 16 1.500 18.50 101
273.0 546.1 276.3 69.85 107.9 71.40 368.3 323.8 38.10 469.9
12 12.75 24.00 12.94 3.120 4.620 3.000 16.50 15.00 20 1.500 21.00 133
323.8 609.6 328.7 79.25 117.3 76.20 419.1 381.0 38.10 533.4
14 14.00 25.25 14.19 3.380 5.120 3.250 17.75 16.25 20 1.620 22.00 153
355.6 641.3 360.4 85.80 130.0 82.50 450.8 412.7 41.10 558.8
16 16.00 27.75 16.19 3.500 5.250 3.380 20.00 18.50 20 1.750 24.25 185
406.4 704.8 411.2 88.90 133.3 85.90 508.0 469.9 44.40 615.9
18 18.00 31.00 18.19 4.000 6.000 3.500 22.25 21.00 20 2.000 27.00 258
457.2 787.4 462.0 101.6 152.4 88.90 565.1 533.4 50.80 685.8
20 20.00 33.75 20.19 4.250 6.250 3.620 24.50 23.00 20 2.120 29.50 317
508.0 857.2 512.8 107.9 158.7 91.90 622.3 584.2 53.80 749.3
24 24.00 41.00 24.19 5.500 8.000 4.000 29.50 27.25 20 2.620 35.50 606
609.6 1041.4 614.4 139.7 203.2 101.6 749.3 692.1 66.55 901.7

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Notes
  • The thread conforms to ASME B1. 20.1 NTP threads as described in Section 10. (The only exceptions are small male and female plain face threaded flanges which use NPSL locknut threads)
  • Class 300 and higher threaded flanges are counter-bored. Threads are chamfered to the counterbore at an angle of 450 (approx)
  • Weights are based on manufacturer's data and are approximate




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