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ASME B16.5 Socket Weld Flange
ASME B16.5 Socket Weld Flange
ANSI B16.5 Stainless Steel SWRF Flange
ANSI B16.5 Stainless Steel SWRF Flange
Carbon Steel Socket Weld Reducing Flange
Carbon Steel Socket Weld Reducing Flange


ANSI B16.5 SWRF Flange Specification


Specification : ASME B16.5 Socket Weld Flange
ASA Flanges Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Standards : EN-1092, BS10, DIN, GOST, UNI, ASME B16.5, JIS, ISO, ASME B16.38, ASME B16.47 (Series A, Series B), PN, AWWA, MSS SP44.
Machining Equipment: Electric bevelling machine, Bending machine, Press machine, Pushing Machine, Sand-blasting machine etc
Production Process: Forged, Heat Treated and Machined
Coating Flanges Faces : Yellow Transparent, Zinc Plated, Oil Black Paint, Cold and Hot Dip Galvanized, Anti-rust Paint
ASME B16.5 Application: Water Pipeline Industry
Natural Gas Industry
Fabrication Industry
Oil And Gas Industry
Chemical Industry
Nuclear Power Plant
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Design For Size: ASA, ASME, ANSI, BS, EN, DIN, PN, JIS
Connect Type Type: LMF, SMF, RF, FF, RTJ, LJF.

Socket Weld Flange Dimensions Chart


Socket Weld Flange Dimensions Chart

ANSI 150 SWRF Flange Dimensions


Nominal Size
 Outside Diameter Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter of Bore Depth of Socket Number of Holes Diameter of Holes Approx. Weight Pounds Kilogram
O C R X Y B D
1/2″ in. 3.5 0.44 1.38 1.19 0.62 0.88 0.38 4 0.62 1
millimeter 88.9 11.2 35.1 30.2 15.7 22.4 9.7 15.7 0.5
3/4″ in. 3.88 0.5 1.69 1.5 0.62 1.09 0.44 4 0.62 2
millimeter 98.6 12.7 42.9 38.1 15.7 27.7 11.2 15.7 1
1″ in. 4.25 0.56 2 1.94 0.69 1.36 0.5 4 0.62 2
millimeter 108 14.2 50.8 49.3 17.5 34.5 12.7 15.7 1
1 1/4″ in. 4.62 0.62 2.5 2.31 0.81 1.7 0.56 4 0.62 3
millimeter 117.3 15.7 63.5 58.7 20.6 43.2 14.2 15.7 1
1 1/2″ in. 5 0.69 2.88 2.56 0.88 1.95 0.62 4 0.62 3
millimeter 127 17.5 73.2 65 22.4 49.5 15.7 15.7 1
2″ in. 6 0.75 3.62 3.06 1 2.44 0.69 4 0.75 5
millimeter 152.4 19.1 91.9 77.7 25.4 62 17.5 19.1 2
2 1/2″ in. 7 0.88 4.12 3.56 1.12 2.94 0.75 4 0.75 7
millimeter 177.8 22.4 104.6 90.4 28.4 74.7 19.1 19.1 3
3″ in. 7.5 0.94 5 4.25 1.19 3.57 0.81 4 0.75 8
millimeter 190.5 23.9 127 108 30.2 90.7 20.6 19.1 4
3 1/2″ in. 8.5 0.94 5.5 4.81 1.25 4.07 8 0.75 11
millimeter 215.9 23.9 139.7 122.2 31.8 103.4 19.1 5
4″ in. 9 0.94 6.19 5.31 1.31 4.57 8 0.75 13
millimeter 228.6 23.9 157.2 134.9 33.3 116.1 19.1 6
5″ in. 10 0.94 7.31 6.44 1.44 5.66 8 0.88 15
millimeter 254 23.9 185.7 163.6 36.6 143.8 22.4 7
6″ in. 11 1 8.5 7.56 1.56 6.72 8 0.88 19
millimeter 279.4 25.4 215.9 192 39.6 170.7 22.4 9
8″ in. 13.5 1.12 10.62 9.69 1.75 8.72 8 0.88 30
millimeter 342.9 28.4 269.7 246.1 44.5 221.5 22.4 14
10″ in. 16 1.19 12.75 12 1.94 10.88 12 1 43
millimeter 406.4 30.2 323.9 304.8 49.3 276.4 25.4 20
12″ in. 19 1.25 15 14.38 2.19 12.88 12 1 64
millimeter 482.6 31.8 381 365.3 55.6 327.2 25.4 29
14″ in. 21 1.38 16.25 15.75 2.25 14.14 12 1.12 90
millimeter 533.4 35.1 412.8 400.1 57.2 359.2 28.4 41
16″ in. 23.5 1.44 18.5 18 2.5 16.16 16 1.12 98
millimeter 596.9 36.6 469.9 457.2 63.5 410.5 28.4 44
18″ in. 25 1.56 21 19.88 2.69 18.18 16 1.25 130
millimeter 635 39.6 533.4 505 68.3 461.8 31.8 59
20″ in. 27.5 1.69 23 22 2.88 20.2 20 1.25 165
millimeter 698.5 42.9 584.2 558.8 73.2 513.1 31.8 75
24″ in. 32 1.88 27.25 26.12 3.25 24.25 20 1.38 220
millimeter 812.8 47.8 692.2 663.4 82.6 616 35.1 100


Types Of Stainless Steel Socket Weld Pipe Flanges


ASTM A182 F304 / 304L ASME B16.5 Socket Weld Flange

ASTM A182 F304 / 304L ASME B16.5 Socket Weld Flange

ASTM A105 Cl1 Carbon Steel Reducing Socket Weld Flange

ASTM A105 Cl1 Carbon Steel Reducing Socket Weld Flange

DIN2631 Sch 80 Socket Weld Raised Face Flange

DIN2631 Sch 80 Socket Weld Raised Face Flange

Stainless Material 316L Sae Socket Weld Flange

Stainless Material 316L Sae Socket Weld Flange

6 Inch 300 Lb Raised Face Blind Flange

6 Inch 300 Lb Raised Face Blind Flange

Awwa C207 A105n Class 300 Ring Joint Socket Weld Flange

Awwa C207 A105n Class 300 Ring Joint Socket Weld Flange

ANSI B 16.5 GR2 Titanium Socket Weld Orifice Flange

ANSI B 16.5 GR2 Titanium Socket Weld Orifice Flange

ANSI Class 125 Aluminum Socket Weld Flange

ANSI Class 125 Aluminum Socket Weld Flange

2 Inch Stainless Steel Socket Weld Flange

2 Inch Stainless Steel Socket Weld Flange

ASTM B16.5 Flange A105 Sch40 Square Socket Weld Flange

ASTM B16.5 Flange A105 Sch40 Square Socket Weld Flange

ANSI B16.5 gr2 WN RF Flat Face Socket Weld Flange

ANSI B16.5 gr2 WN RF Flat Face Socket Weld Flange

Class 600# 1/2''-24'' Uns N06625 Swrf Flange Dimensions Class 150

Class 600# 1/2''-24'' Uns N06625 Swrf Flanges Dimensions Class 150


Pressure Ratings Of Carbon Steel Socket Weld Flange


Flanges pressure rating in psig for Socket Weld Flange ASME
Temperature (F°) Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-20 to 100 285 740 985 1480 2220 3705 6170
200 260 680 905 1360 2035 3395 5655
300 230 655 870 1310 1965 3270 5450
400 200 635 845 1265 1900 3170 5280
500 170 605 805 1205 1810 3015 5025
600 140 570 755 1135 1705 2840 4730
650 125 550 730 1100 1650 2745 4575
700 110 530 710 1060 1590 2655 4425
750 95 505 675 1015 1520 2535 4230
800 80 410 550 825 1235 2055 3430
850 65 320 425 640 955 1595 2655
900 50 230 305 460 690 1150 1915
950 35 135 185 275 410 685 1145
1000 20 85 115 170 255 430 715

Sch 80 SWRF Flange Weight Chart


Nominal Pipe Size Outside Diameter Thickness of Flange Diameter of Raised Face Diam of Hub at Base Length Thru Hub Diameter of Bore Depth of Socket No. of Holes Diameter of Holes Diameter of Bolts Diameter of Bolt Circle Approx. Weight Pounds Kilogram
O C R X Y B D
1/2" in. 3.5 0.44 1.38 1.19 0.62 0.88 0.38 4 0.62 1/2 2.38 1
Millimeter. 88.9 11.2 35.1 30.2 15.7 22.4 9.7 15.7 12.7 60.5 0.5
3/4" in. 3.88 0.5 1.69 1.5 0.62 1.09 0.44 4 0.62 1/2 2.75 2
Millimeter 98.6 12.7 42.9 38.1 15.7 27.7 11.2 15.7 12.7 69.9 1
1" in. 4.25 0.56 2 1.94 0.69 1.36 0.5 4 0.62 1/2 3.12 2
Millimeter 108 14.2 50.8 49.3 17.5 34.5 12.7 15.7 12.7 79.2 1
1 1/4" in. 4.62 0.62 2.5 2.31 0.81 1.7 0.56 4 0.62 1/2 3.5 3
Millimeter 117.3 15.7 63.5 58.7 20.6 43.2 14.2 15.7 12.7 88.9 1
1 1/2" in. 5 0.69 2.88 2.56 0.88 1.95 0.62 4 0.62 1/2 3.88 3
Millimeter 127 17.5 73.2 65 22.4 49.5 15.7 15.7 12.7 98.6 1
2" in. 6 0.75 3.62 3.06 1 2.44 0.69 4 0.75 5/8 4.75 5
Millimeter 152.4 19.1 91.9 77.7 25.4 62 17.5 19.1 15.9 120.7 2
2 1/2" in. 7 0.88 4.12 3.56 1.12 2.94 0.75 4 0.75 5/8 5.5 7
Millimeter 177.8 22.4 104.6 90.4 28.4 74.7 19.1 19.1 15.9 139.7 3
3" in. 7.5 0.94 5 4.25 1.19 3.57 0.81 4 0.75 5/8 6 8
Millimeter 190.5 23.9 127 108 30.2 90.7 20.6 19.1 15.9 152.4 4
3 1/2" in. 8.5 0.94 5.5 4.81 1.25 4.07 　 8 0.75 5/8 7 11
Millimeter 215.9 23.9 139.7 122.2 31.8 103.4 　 19.1 15.9 177.8 5
4" in. 9 0.94 6.19 5.31 1.31 4.57 　 8 0.75 5/8 7.5 13
Millimeter 228.6 23.9 157.2 134.9 33.3 116.1 　 19.1 15.9 190.5 6
5" in. 10 0.94 7.31 6.44 1.44 5.66 　 8 0.88 3/4 8.5 15
Millimeter 254 23.9 185.7 163.6 36.6 143.8 　 22.4 19.1 215.9 7
6" in. 11 1 8.5 7.56 1.56 6.72 　 8 0.88 3/4 9.5 19
Millimeter 279.4 25.4 215.9 192 39.6 170.7 　 22.4 19.1 241.3 9
8" in. 13.5 1.12 10.62 9.69 1.75 8.72 　 8 0.88 3/4 11.75 30
Millimeter 342.9 28.4 269.7 246.1 44.5 221.5 　 22.4 19.1 298.5 14
10" in. 16 1.19 12.75 12 1.94 10.88 　 12 1 7/8 14.25 43
Millimeter 406.4 30.2 323.9 304.8 49.3 276.4 　 25.4 22.2 362 20
12" in. 19 1.25 15 14.38 2.19 12.88 　 12 1 7/8 17 64
Millimeter 482.6 31.8 381 365.3 55.6 327.2 　 25.4 22.2 431.8 29
14" in. 21 1.38 16.25 15.75 2.25 14.14 　 12 1.12 1 18.75 90
Millimeter 533.4 35.1 412.8 400.1 57.2 359.2 　 28.4 25.4 476.3 41
16" in. 23.5 1.44 18.5 18 2.5 16.16 　 16 1.12 1 21.25 98
Millimeter 596.9 36.6 469.9 457.2 63.5 410.5 　 28.4 25.4 539.8 44
18" in. 25 1.56 21 19.88 2.69 18.18 　 16 1.25 1 1/8 22.75 130
Millimeter 635 39.6 533.4 505 68.3 461.8 　 31.8 28.6 577.9 59
20" in. 27.5 1.69 23 22 2.88 20.2 　 20 1.25 1 1/8 25 165
Millimeter 698.5 42.9 584.2 558.8 73.2 513.1 　 31.8 28.6 635 75
24" in. 32 1.88 27.25 26.12 3.25 24.25 　 20 1.38 1 1/4 29.5 220
Millimeter 812.8 47.8 692.2 663.4 82.6 616 　 35.1 31.8 749.3 100

Class 300 Socket Weld Flange Dimensions


NPS Outside Diameter Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter of Bore Depth of Socket No. of Holes Diameter of Holes Approx. Weight Pounds Kilogram
O C R X Y B D
1/2″ in. 3.75 0.56 1.38 1.5 0.88 0.88 0.38 4 0.62 2
millimeter 95.3 14.2 35.1 38.1 22.4 22.4 9.7 15.7 1
3/4″ in. 4.62 0.62 1.69 1.88 1 1.09 0.44 4 0.75 3
millimeter 117.3 15.7 42.9 47.8 25.4 27.7 11.2 19.1 1
1″ in. 4.88 0.69 2 2.12 1.06 1.36 0.5 4 0.75 3
millimeter 124 17.5 50.8 53.8 26.9 34.5 12.7 19.1 1
1 1/4″ in. 5.25 0.75 2.5 2.5 1.06 1.7 0.56 4 0.75 4
millimeter 133.4 19.1 63.5 63.5 26.9 43.2 14.2 19.1 2
1 1/2″ in. 6.12 0.81 2.88 2.75 1.19 1.95 0.62 4 0.88 6
millimeter 155.4 20.6 73.2 69.9 30.2 49.5 15.7 22.4 3
2″ in. 6.5 0.88 3.62 3.31 1.31 2.44 0.69 8 0.75 7
millimeter 165.1 22.4 91.9 84.1 33.3 62 17.5 19.1 3
2 1/2″ in. 7.5 1 4.12 3.94 1.5 2.94 0.75 8 0.88 10
millimeter 190.5 25.4 104.6 100.1 38.1 74.7 19.1 22.4 5
3″ in. 8.25 1.12 5 4.62 1.69 3.57 0.81 8 0.88 13
mm. 209.6 28.4 127 117.3 42.9 90.7 20.6 22.4 6
3 1/2″ in. 9 1.19 5.5 5.25 1.75 4.07 8 0.88 17
mm. 228.6 30.2 139.7 133.4 44.5 103.4 22.4 8
4″ in. 10 1.25 6.19 5.75 1.88 4.57 8 0.88 22
mm. 254 31.8 157.2 146.1 47.8 116.1 22.4 10
5″ in. 11 1.38 7.31 7 2 5.66 8 0.88 28
mm. 279.4 35.1 185.7 177.8 50.8 143.8 22.4 13
6″ in. 12.5 1.44 8.5 8.12 2.06 6.72 12 0.88 39
mm. 317.5 36.6 215.9 206.2 52.3 170.7 22.4 18
8″ in. 15 1.62 10.62 10.25 2.44 8.72 12 1 58
mm. 381 41.1 269.7 260.4 62 221.5 25.4 26
10″ in. 17.5 1.88 12.75 12.62 2.62 10.88 16 1.12 81
mm. 444.5 47.8 323.9 320.5 66.5 276.4 28.4 37
12″ in. 20.5 2 15 14.75 2.88 12.88 16 1.25 115
mm. 520.7 50.8 381 374.7 73.2 327.2 31.8 52
14″ in. 23 2.12 16.25 16.75 3 14.14 20 1.25 165
mm. 584.2 53.8 412.8 425.5 76.2 359.2 31.8 75
16″ in. 25.5 2.25 18.5 19 3.25 16.16 20 1.38 190
mm. 647.7 57.2 469.9 482.6 82.6 410.5 35.1 86
18″ in. 28 2.38 21 21 3.5 18.18 24 1.38 250
mm. 711.2 60.5 533.4 533.4 88.9 461.8 35.1 113
20″ in. 30.5 2.5 23 23.12 3.75 20.2 24 1.38 315
mm. 774.7 63.5 584.2 587.2 95.3 513.1 35.1 143
24″ in. 36 2.75 27.25 27.62 4.19 24.25 24 1.62 475
mm. 914.4 69.9 692.2 701.5 106.4 616 41.1 215

600 Lb Socket Weld Flange Dimensions


NPS Outside Diameter Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter of Bore Depth of Socket No. of Holes Diameter of Holes Approx. Weight Pounds Kilogram
O C R X Y B D
1/2″ in. 3.75 0.56 1.38 1.5 0.88 0.88 0.38 4 0.62 2
millimeter 95.3 14.2 35.1 38.1 22.4 22.4 9.7 15.7 1
3/4″ in. 4.62 0.62 1.69 1.88 1 1.09 0.44 4 0.75 3
millimeter 117.3 15.7 42.9 47.8 25.4 27.7 11.2 19.1 1
1″ in. 4.88 0.69 2 2.12 1.06 1.36 0.5 4 0.75 4
millimeter 124 17.5 50.8 53.8 26.9 34.5 12.7 19.1 2
1 1/4″ in. 5.25 0.81 2.5 2.5 1.12 1.7 0.56 4 0.75 5
millimeter 133.4 20.6 63.5 63.5 28.4 43.2 14.2 19.1 2
1 1/2″ in. 6.12 0.88 2.88 2.75 1.25 1.95 0.62 4 0.88 7
millimeter 155.4 22.4 73.2 69.9 31.8 49.5 15.7 22.4 3
2″ in. 6.5 1 3.62 3.31 1.44 2.44 0.69 8 0.75 9
millimeter 165.1 25.4 91.9 84.1 36.6 62 17.5 19.1 4
2 1/2″ in. 7.5 1.12 4.12 3.94 1.62 2.94 0.75 8 0.88 13
millimeter 190.5 28.4 104.6 100.1 41.1 74.7 19.1 22.4 6
3″ in. 8.25 1.25 5 4.62 1.81 3.57 0.81 8 0.88 16
millimeter 209.6 31.8 127 117.3 46 90.7 20.6 22.4 7
3 1/2″ in. 9 1.38 5.5 5.25 1.94 4.07 8 1 21
millimeter 228.6 35.1 139.7 133.4 49.3 103.4 25.4 10
4″ in. 10.75 1.5 6.19 6 2.12 4.57 8 1 37
millimeter 273.1 38.1 157.2 152.4 53.8 116.1 25.4 17
5″ in. 13 1.75 7.31 7.44 2.38 5.66 8 1.12 63
mm. 330.2 44.5 185.7 189 60.5 143.8 28.4 29
6″ in. 14 1.88 8.5 8.75 2.62 6.72 12 1.12 80
mm. 355.6 47.8 215.9 222.3 66.5 170.7 28.4 36
8″ in. 16.5 2.19 10.62 10.75 3 8.72 12 1.25 115
mm. 419.1 55.6 269.7 273.1 76.2 221.5 31.8 52
10″ in. 20 2.5 12.75 13.5 3.38 10.88 16 1.38 170
mm. 508 63.5 323.9 342.9 85.9 276.4 35.1 77
12″ in. 22 2.62 15 15.75 3.62 12.88 20 1.38 200
mm. 558.8 66.5 381 400.1 91.9 327.2 35.1 91
14″ in. 23.75 2.75 16.25 17 3.69 14.14 20 1.5 230
mm. 603.3 69.9 412.8 431.8 93.7 359.2 38.1 104
16″ in. 27 3 18.5 19.5 4.19 16.16 20 1.62 330
mm. 685.8 76.2 469.9 495.3 106.4 410.5 41.1 150
18″ in. 29.25 3.25 21 21.5 4.62 18.18 20 1.75 400
mm. 743 82.6 533.4 546.1 117.3 461.8 44.5 181
20″ in. 32 3.5 23 24 5 20.2 24 1.75 510
mm. 812.8 88.9 584.2 609.6 127 513.1 44.5 231
24″ in. 37 4 27.25 28.25 5.5 24.25 24 2 730
mm. 939.8 101.6 692.2 717.6 139.7 616 50.8 331

Class 1500 Socket Weld Flange Dimensions


Nominal Size Outside Diameter Thickness of Flange Diameter of Raised Face Diameter of Hub at Base Length Thru Hub Diameter of Bore Depth of Socket Number of Holes Diameter of Holes Approx. Weight Pounds Kg
O C R X Y B D
1/2″ in. 4.75 0.88 1.38 1.5 1.25 0.88 0.38 4 0.88 4
millimeter 120.7 22.4 35.1 38.1 31.8 22.4 9.7 22.4 2
3/4″ in. 5.12 1 1.69 1.75 1.38 1.09 0.44 4 0.88 5
millimeter 130 25.4 42.9 44.5 35.1 27.7 11.2 22.4 2
1″ in. 5.88 1.12 2 2.06 1.62 1.36 0.5 4 1 8
millimeter 149.4 28.4 50.8 52.3 41.1 34.5 12.7 25.4 4
1 1/4″ in. 6.25 1.12 2.5 2.5 1.62 1.7 0.56 4 1 9
millimeter 158.8 28.4 63.5 63.5 41.1 43.2 14.2 25.4 4
1 1/2″ in. 7 1.25 2.88 2.75 1.75 1.95 0.62 4 1.12 12
millimeter 177.8 31.8 73.2 69.9 44.5 49.5 15.7 28.4 5
2″ in. 8.5 1.5 3.62 4.12 2.25 2.44 0.69 8 1 25
millimeter 215.9 38.1 91.9 104.6 57.2 62 17.5 25.4 11
2 1/2″ in. 9. 2 1. 2 4. 2 4. 8 2.5 2. 4 0. 5 8 1. 2 36
millimeter 244.3 41.1 104.6 124 63.5 74.7 19.1 28.4 16
3″ in. 10.5 1.88 5 5.25 2.88 8 1.25 48
millimeter 266.7 47.8 127 133.4 73.2 31.8 22
4″ in. 12.25 2.12 6.19 6.38 3.56 8 1.38 73
millimeter 311.2 53.8 157.2 162.1 90.4 35.1 33
5″ in. 14.75 2.88 7.31 7.75 4.12 8 1.62 130
millimeter 374.7 73.2 185.7 196.9 104.6 41.1 59
6″ in. 15.5 3.25 8.5 9 4.69 12 1.5 165
mm. 393.7 82.6 215.9 228.6 119.1 38.1 75
8″ in. 19 3.62 10.62 11.5 5.62 12 1.75 260
mm. 482.6 91.9 269.7 292.1 142.7 44.5 118
10″ in. 23 4.25 12.75 14.5 6.25 12 2 435
mm. 584.2 108 323.9 368.3 158.8 50.8 197
12″ in. 26.5 4.88 15 17.75 7.12 16 2.12 580
mm. 673.1 124 381 450.9 180.8 53.8 263
14″ in. 29.5 5.25 16.25 19.5 16 2.38
mm. 749.3 133.4 412.8 495.3 60.5
16″ in. 32.5 5.75 18.5 21.75 16 2.62
mm. 825.5 146.1 469.9 552.5 66.5
18″ in. 36 6.38 21 23.5 16 2.88
mm. 914.4 162.1 533.4 596.9 73.2
20″ in. 38.75 7 23 25.25 16 3.12
mm. 984.3 177.8 584.2 641.4 79.2
24″ in. 46 8 27.25 30 16 3.62
mm. 1168.4 203.2 692.2 762 91.9

2500 Lb Socket Weld Flange Dimensions


Pipe Normal Diameter Outer Diameter Flange  Thickness Of Flange Min  Diameter
of
Hub 		 Diameter of Raised Face  Hub
Diameter
Chamfer
of W.N 		 Length Hub.Y Bore  Diameter
of Bolt
Circle		 Diameter
of Bolt
Holes		 No.
of Bolts		 Diameter of
Bolts
(in.)		 Kilogram LB
in. dn O C X G A Y B BC BH BN BD
1/2″ 15 89.00 11.20 30.20 35.10 21.30 47.80 15.80 60.50 15.80 4 1/2″ 0.7 1.5
3/4″ 20 98.50 12.70 38.10 42.90 26.70 52.30 20.80 69.90 15.80 4 1/2″ 0.8 1.8
1″ 25 108.00 14.20 49.30 50.80 33.50 55.60 26.70 79.30 15.80 4 1/2″ 1.1 2.4
1-1/4″ 32 117.50 15.70 58.70 63.50 42.20 57.20 35.10 88.90 15.80 4 1/2″ 1.5 3.3
1-1/2″ 40 127.00 17.50 65.00 73.20 48.30 62.00 40.90 98.60 15.80 4 1/2″ 1.8 4
2″ 50 152.50 19.10 77.70 91.90 60.50 63.50 52.60 120.70 19.10 4 5/8″ 2.7 6
2-1/2″ 65 178.00 22.40 90.40 104.60 73.20 69.90 62.70 139.70 19.10 4 5/8″ 4.4 9.8
3″ 80 190.50 23.90 108.00 127.00 88.90 69.90 78.00 152.40 19.10 4 5/8″ 5.2 11.5
3-1/2″ 90 216.00 23.90 122.20 139.70 101.60 71.40 90.20 177.80 19.10 8 5/8″ 6.4 14.2
4″ 100 228.50 23.90 134.90 157.20 114.30 76.20 102.40 190.50 19.10 8 5/8″ 7.5 16.6
5″ 125 254.00 23.90 163.60 185.70 141.20 88.90 128.30 215.90 22.40 8 3/4″ 9.2 20.2
6″ 150 279.50 25.40 192.00 215.90 168.40 88.90 154.20 241.30 22.40 8 3/4″ 11 24.3
8″ 200 343.00 28.40 246.10 269.70 219.20 101.60 202.70 298.50 22.40 8 3/4″ 18.4 40.6
10″ 250 406.50 30.20 304.80 323.90 273.10 101.60 254.50 362.00 25.40 12 7/8″ 25.5 56.2
12″ 300 482.50 31.80 365.30 381.00 323.90 114.30 304.80 431.80 25.40 12 7/8″ 37 81.4
14″ 350 533.50 35.10 400.10 412.80 355.60 127.00 476.30 28.50 12 1″ 51 113
16″ 400 597.00 36.60 457.20 469.90 406.40 127.00 539.80 28.50 16 1″ 61.5 136
18″ 450 635.00 39.60 505.00 533.40 457.20 139.70 577.90 31.80 16 1 1/8″ 71.5 158
20″ 500 698.50 42.90 558.80 584.20 508.00 144.50 635.00 31.80 20 1 1/8″ 85 187
24″ 600 813.00 47.80 663.40 692.20 609.60 152.40 749.30 35.10 20 1 1/4″ 119 262

Reducing Socket Weld Flange Thickness Calculation For Pressure Vessel

Stainless Steel Socket Weld Flange Flanges Wall Thickness
Normal Size Of Pipe (NPS) (O.D.) SCH (Schedule) 10 SCH (Schedule) 20 SCH (Schedule) 30 STD Wall SCH (Schedule) 40 SCH (Schedule) 60 EXT Hvy SCH (Schedule) 80 SCH (Schedule) 100 SCH (Schedule) 120 SCH (Schedule) 140 SCH (Schedule) 160 XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 ... ... 0.216 0.216 ... 0.3 0.3 ... ... ... 0.438 0.6
3 ½ 4 0.12 ... ... 0.226 0.226 ... 0.318 0.318 ... ... ... ... 0.636
4 4.5 0.12 ... ... 0.237 0.237 ... 0.337 0.337 ... 0.438 ... 0.531 0.674
5 5.563 0.134 ... ... 0.258 0.258 ... 0.375 0.375 ... 0.5 ... 0.625 0.75
6 6.625 0.134 ... ... 0.28 0.28 ... 0.432 0.432 ... 0.562 ... 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 ...
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 ...
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 ...
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 ...
22 22 0.25 ... ... 0.375 ... ... 0.5 ... ... .... .... .... ....
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 ....
26 26 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
30 30 0.312 0.5 0.625 0.375 .... .... 0.5 .... .... .... .... .... ....
36 36 0.312 0.5 0.625 0.375 0.75 .... 0.5 .... .... .... .... .... ....
40 40 .... .... .... 0.375 .... .... 0.5 .... .... .... .... .... ....
42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..

Sae Socket Weld Flange Bolts Size Chart In MM

150 LBS 300 LBS 600 LBS
Normal Size Of Pipe # Bolts Or Studs Bolts Or Studs Diameter Length Of Studs # Bolts Or Studs Bolts Or Studs Diameter Stud Length # Bolts Or Studs Diameter of Bolts Or Studs Length Of Stud
1/16 RF RTJ 1/16 RF RTJ 1/4 RF RTJ
1/2 4 0.50 2-1/4 – 4 0.50 2-1/2 3 4 0.50 3 3
3/4 4 0.50 2-1/2 – 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1 4 0.50 2-1/2 3 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1-1/4 4 0.50 2-3/4 3-1/4 4 0.63 3-1/4 3-3/4 4 0.63 3-3/4 3-3/4
1-1/2 4 0.50 2-3/4 3-1/4 4 0.75 3-1/2 4 4 0.75 4-1/4 4-1/4
2 4 0.63 3-1/4 3-3/4 8 0.63 3-1/2 4 8 0.63 4-1/4 4-1/4
2-1/2 4 0.63 3-1/2 4 8 0.75 4 4-1/2 8 0.75 4-3/4 4-3/4
3 4 0.63 3-1/2 4 8 0.75 4-1/4 4-3/4 8 0.75 5 5
3-1/2 8 0.63 3-1/2 4 8 0.75 4-1/4 5 8 0.88 5-1/2 5-1/2
4 8 0.63 3-1/2 4 8 0.75 4-1/2 5 8 0.88 5-3/4 5-3/4
5 8 0.75 3-3/4 4-1/4 8 0.75 4-3/4 5-1/4 8 1.00 6-1/2 6-1/2
6 8 0.75 4 4-1/2 12 0.75 4-3/4 5-1/2 12 1.00 6-3/4 6-3/4
8 8 0.75 4-1/4 4-3/4 12 0.88 5-1/2 6 12 1.13 7-1/2 7-3/4
10 12 0.88 4-1/2 5 16 1.00 6-1/4 6-3/4 16 1.25 8-1/2 8-1/2
12 12 0.88 4-3/4 5-1/4 16 1.13 6-3/4 7-1/4 20 1.25 8-3/4 8-3/4
14 12 1.00 5-1/4 5-3/4 20 1.13 7 7-1/2 20 1.38 9-1/4 9-1/4
16 16 1.00 5-1/4 5-3/4 20 1.25 7-1/2 8 20 1.50 10 10
18 16 1.13 5-3/4 6-1/4 24 1.25 7-3/4 8-1/4 20 1.63 10-3/4 10-3/4
20 20 1.13 6-1/4 6-3/4 24 1.25 8 8-3/4 24 1.63 11-1/4 11-1/2
24 20 1.25 6-3/4 7-1/4 24 1.50 9 10 24 1.88 13 13-1/4

 

900 LBS 1500 LBS 2500 LBS
Normal Size Of Pipe # Bolts Or Studs Bolts Or Studs Diameter Length Of Studs # Bolts Or Studs Bolts Or Studs Diameter Length Of Studs # Bolts Or Studs Diameter of Bolts Or Studs Length Of Studs
1/4 RF RTJ 1/4 RF RTJ 1/4 RF RTJ
1/2 4 0.75 4-1/4 4-1/4 4 0.75 4-1/4 4-1/4 4 0.75 4-3/4 4-3/4
3/4 4 0.75 4-1/2 4-1/2 4 0.75 4-1/2 4-1/2 4 0.75 5 5
1 4 0.88 5 5 4 0.88 5 5 4 0.88 5-1/2 5-1/2
1-1/4 4 0.88 5 5 4 0.88 5 5 4 1.00 6 6
1-1/2 4 1.00 5-1/2 5-1/2 4 1.00 5-1/2 5-1/2 4 1.13 6-3/4 6-3/4
2 8 0.88 5-3/4 5-3/4 8 0.88 5-3/4 5-3/4 8 1.00 7 7
2-1/2 8 1.00 6-1/4 6-1/4 8 1.00 6-1/4 6-1/4 8 1.13 7-3/4 8
3 8 0.88 5-3/4 5-3/4 8 1.13 7 7 8 1.25 8-3/4 9
4 8 1.13 6-3/4 6-3/4 8 1.25 7-3/4 7-3/4 8 1.50 10 10-1/4
5 8 1.25 7-1/2 7-1/2 8 1.50 9-3/4 9-3/4 8 1.75 11-3/4 12-1/4
6 12 1.13 7-1/2 7-3/4 12 1.38 10-1/4 10-1/2 8 2.00 13-1/2 14
8 12 1.38 8-3/4 8-3/4 12 1.63 11-1/2 11-3/4 12 2.00 15 15-1/2
10 16 1.38 9-1/4 9-1/4 12 1.88 13-1/4 13-1/2 12 2.50 19-1/4 20
12 20 1.38 10 10 16 2.00 14-3/4 15-1/4 12 2.75 21-1/4 22
14 20 1.50 10-3/4 11 16 2.25 16 16-3/4 – – – –
16 20 1.63 11-1/4 11-1/2 16 2.50 17-1/2 18-1/2 – – – –
18 20 1.88 12-3/4 13-1/4 16 2.75 19-1/2 20-3/4 – – – –
20 20 2.00 13-3/4 14-1/4 16 3.00 21-1/4 22-1/4 – – – –
24 20 2.50 17-1/4 18 16 3.50 24-1/4 25-1/2 – – – –

Raised Face Socket Weld Flange Price List

Size And Schedule Price In NIR (Per Piece)
ASTM A105 Socket Weld Flange
3/4 Inch X Class 150 X Schedule XS 150.00
1 Inch X Class 150 X Schedule XS 180.00
1-1/2 Inch X Class 150 X Schedule XS 250.00
2 Inch X Class 150 X Schedule XS 300.00
4 Inch X Class 150 X Schedule XS 350.00