+91-22-67521137
Vishal Steel India
Contact Person

Gautam Mehta

+91-22-23898841

Factory Address:

Plot No. 749/77/5, G.I.D.C. Estate, Makarpura, Vadodara -390010.

ST37.2 Steel Flange

ST37 Blind Flange and RST37.2 Slip On Flange manufacturer in India


ST37.2 Steel Flange

Table Of Content:



St37-2 Material Specification


Specification ST37.2 Steel Flange
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Forging Methods Casting/ Forging/ Rolling/ Cutting
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Manufacturer of Forged/ Threaded/ Screwed / Plate
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Dimensions And Standard ASME B16.5
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production Technique Forged/ Heat treated and machined
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.

ST37.2 Steel Flange Price List


Nominal Diameter Nominal pipe size in mm Pitch Circle Diameter In mm Thread holes Grade Pressure Price In INR (India) Per Piece
DN 80 88,9 160 8 x 18 mm Ø Carbon Steel ST37.2 290.00
DN 100 108 180 8 x 18 mm Ø - - 357.00
DN 100 114,3 180 8 x 18 mm Ø - - 429.00
DN 125 133 210 8 x 18 mm Ø - - 697.00
DN 125 139,7 210 8 x 18 mm Ø - - 925.00
DN 150 159 240 8 x 22 mm Ø - - 1285.00
DN 150 168,3 240 8 x 22 mm Ø Carbon Steel ST37.2 1505.00

Manufacturer of Non-alloy steel ST37.2 Collar Flange and EN 1.0037 Lapped Joint Flange in Reduced thickness with central hole


Types Of ST37.2 Flange


Din2576 Pn10 St37.2 Dn300 Flange

Din2576 Pn10 St37.2 Dn300 Flange

St37-2 Carbon Steel Flange

St37-2 Carbon Steel Flange

Carbon Steel St37-2 Pipe Flanges

Carbon Steel St37-2 Pipe Flanges

St37.2 4000pa Carbon Steel Flange

St37.2 4000pa Carbon Steel Flange

Carbon Steel St37 Flange

Carbon Steel St37 Flange

Carbon Steel St37-2 Flanges

Carbon Steel St37-2 Flanges

St37-2 Blind Flange

St37-2 Blind Flange

Grade ST37-2 Weld Neck Flange

Grade ST37-2 Weld Neck Flange

St37-2 Slip On Flange

St37-2 Slip On Flange

Grade ST37-2 Threaded Flange

Grade ST37-2 Threaded Flange

ASTM St37-2 Socket Weld Flange

ASTM St37-2 Socket Weld Flange

Steel St37-2 RTJ Flange

Steel St37-2 RTJ Flange

Carbon Steel St37-2 Pipe Flanges

Carbon Steel St37-2 Pipe Flanges

St37.2 4000pa Carbon Steel Flange

St37.2 4000pa Carbon Steel Flange

Cs St37.2 Weld Neck Flange

Cs St37.2 Weld Neck Flange

St37.2 Flat Face Flange

St37.2 Flat Face Flange

ST37 Flanges

ST37 Flanges

RST37.2 Flange

RST37.2 Flange


Manufacturer of DIN 24154/ DIN 86044 ST37 Plate Flanges and mild steel st 37 Puddle Flanges cutted from sheet


St37.2 Material Equivalent


German DIN 17100: 1980 (EN 10025: 1993)
US ASTM A283/A283M
European Union EN 10025-2: 2005
UK BS 4360
France NF A35-501
Japan JIS G3101; JIS G3106
India IS 2062

St37-2 Chemical Composition


Steel grade Styles Carbon, maximum, % Silicon, % Manganese, % Phosphorus, maximum, % Sulfur, maximum, % Nitrogen, maximum, %
ST37.2 Steel Flange Steel Angles 0.20 0.15 – 0.35 0.35 – 0.75 0.050 0.050 0.011

St37.2 Mechanical Properties


Steel grade Styles Tensile strength, ksi [MPa] Yield point, minimum, ksi [MPa] Elongation, minimum, δ, %
ST37.2 Steel Flange Steel Angles 52 – 67 [360 – 460] 34 [235] 25

St 37 2 Tensile Strength


Tensile strength (≥ N/mm2); Thickness (d) millimeter
Number Of Steel d<3 3 ≤ d ≤ 100
St37-2 (1.0037) 360-510 340-470

St37-2 Yield Strength


Yield strength (≥ N/mm2); Thickness (d) millimeter
Number Of Steel d≤16 16< d ≤40
St37-2 (1.0037) 235 225

St37-2 Carbon Steel Flanges Elongation


Elongation (≥, %); Thickness (d), millimeter
Number Of Steel 0.5 ≤d <1 1≤ d <1,5 1,5 ≤d <2 2 ≤d <2,5 2,5 ≤d <3
St37-2 (1.0037) 17 18 19 20 21

Supplier of carbon steel st37 Weld Neck Flange and din 2448 st 37 Socket Weld Flange with Visual, dimensional, thickness control

St37-2 Density


Material ST37.2 Flange Density: 7.85 g/cm3


St37-2 Melting Point


Melting point: 1420-1460 °C (2590-2660 °F)


St37-2 Carbon Steel Flange Dimensions


St37-2 Carbon Steel Flange Dimensions

St37-2 Carbon Steel Flange Dimensions

Carbon Steel St37 Flange Temperature Range


Working pressure by Class And BAR

TEMP(°C) 150 300 400 600 900 1500 2500
-29 TO 38 19.6 51.1 68.1 102.1 153.2 255.3 425.5
50 19.2 50.1 66.8 100.2 150.4 250.6 417.7
100 17.7 46.6 62.1 93.2 139.8 233 388.3
150 15.8 45.1 60.1 90.2 135.2 225.4 375.6
200 13.8 43.8 58.4 87.6 131.4 219 365
250 12.1 41.9 55.9 83.9 125.8 209.7 349.5
300 10.2 39.8 53.1 79.6 119.5 199.1 331.8
325 9.3 38.7 51.6 77.4 116.1 193.6 322.6
350 8.4 37.6 50.1 75.1 112.7 187.8 313
375 7.4 36.4 48.5 72.7 109.1 181.8 303.1
400 6.5 34.7 46.3 69.4 104.2 173.6 289.3
425 5.5 28.8 38.4 57.5 86.3 143.8 239.7
450 4.6 23 30.7 46 69 115 191.7
475 3.7 17.4 23.2 34.9 52.3 87.2 145.3
500 2.8 11.8 15.7 23.5 35.3 58.8 97.9
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

Check st37 metal Orifice Flanges and DIN 1.0037 Forged Flange mechanical properties, equivalent and yield stress

Torque Values Of St37.2 Welding Neck Flange


Flange Size Inch Flange Size MM (Maximum) Radial Projection
No Deeper Than the Bottom In Millimeter Deeper Than the Bottom In Millimeter
1/2 15 3.0 1.5
3/4 20 3.0 1.5
1 25 3.0 1.5
1 1/4 32 3.0 1.5
1 1/2 40 3.0 1.5
2 50 3.0 1.5
2 1/2 65 3.0 1.5
3 80 4.5 1.5
3 1/2 90 6.0 3.0
4 100 6.0 3.0
5 125 6.0 3.0
6 150 6.0 3.0
8 200 8.0 4.5
10 250 8.0 4.5
12 300 8.0 4.5
14 350 8.0 4.5
16 400 10.0 4.5
18 450 12.0 6.0

DIN2576 PN10 St37.2 DN300 Flange Wall Thickness


Normal Size Of Pipe Outer Diameter (O.D.) 10 Schedule 20 Schedule 30 Schedule STD Wall 40 Schedule 60 Schedule EXT Hvy 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule 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 - - - - - -

Werkstoff St37-2 Flanges Weight Chart


Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF Flange) Threaded (NPT Flange) Socket Weld (SWRF Flange) Lap Joint (LOOSE Flange) Blind (BLR FlangeF) Weld Neck (WNRF Flange)
Class 150 Flange ½  1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
1¼ 3 3 3 3 3 3
1½  3 3 3 3 4 4
2    5 5 5 5 5 6
2½  8 8 8 8 7 10
3    9 9 9 9 9 11.5
3½  11 12 11 11 13 12
4    13 13 13 13 17 16.5
5    15 15 15 15 20 21
6    19 19 19 19 27 26
8    30 30 30 30 47 42
10    43 43 43 43 70 54
12    64 64 64 64 123 88
14    90 90 90 105 140 114
16    106 98 98 140 180 140
18    130 130 130 160 220 165
20    165 165 165 195 285 197
22    185 185 185 245 355 225
24    220 220 220 275 430 268
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 300 Flange ½ 2 2 3 2 2 2
¾ 3 3 3 3 3 3
1    3 3 3 3 4 4
1¼ 4.5 4.5 4 4.5 6 5
1½  6.5 6.5 6 6.5 7 7
2    7 7 7 7 8 9
2½  10 10 10 10 12 12
3    13 14 13 14.5 16 18
3½  17 17 17 17 21 20
4    23.5 24 22 24 28 26.5
5    29 31 28 28 37 36
6    39 39 39 39 50 45
8 58 58 58 58 81 69
10 81 81 81 91 124 100
12 115 115 115 140 185 142
14 165 165 165 190 250 206
16 210 220 190 234 315 250
18 253 280 250 305 414 320
20 315 325 315 375 515 400
22 370 370 370 435 640 465
24 490 490 475 550 800 580
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 400 Flange ½  2 2 2 2 2 3
¾ 3 3 3 3 3 3.5
1 3.5 3.5 3.5 3.5 4 4
1¼ 4.5 4.5 4.5 4.5 6 4.5
1½  6.5 6.5 6.5 6.5 8 8
2    8 8 8 8 10 10
2½  12 12 12 11 15 14
3    15 15 15 14 20 18
3½  21 21 21 20 29 26
4    26 26 26 25 33 35
5    31 31 31 29 44 43
6    44 44 44 42 61 57
8    67 67 67 64 100 89
10    91 91 91 110 155 125
12    130 130 130 152 226 175
14    191 191 191 210 310 233
16    253 253 253 280 398 295
18   nbsp; 310 310 310 345 502 360
20    378 378 378 420 621 445
22    405 405 405 455 720 505
24    539 539 539 615 936 640
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 600 Flange ½ 2 2 2 2 3 3
¾ 3 3 3 3 4 4
1    4 4 4 4 4 4
1¼ 5 5 5 5 6 6
1½  7 7 7 7 8 8
2    9 9 9 9 10 12
2½  13 13 13 12 15 18
3    16 16 16 15 20 23
3½  21 21 21 20 29 26
4    37 37 37 36 41 42
5    63 63 63 63 68 68
6    80 80 80 78 86 81
8 115 15 15 112 140 120
10 177 177 177 195 231 190
12 215 215 215 240 295 226
14 259 259 259 290 378 347
16 366 366 366 400 527 481
18 476 476 476 469 665 555
20 612 612 612 604 855 690
22 590 590 590 670 1000 720
24 876 876 876 866 1250 977
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 900 Flange ½  6 6 6 6 4 7
¾ 6 6 6 6 6 7
1 7.5 7.5 7.5 7.5 9 8.5
1¼ 10 10 10 10 10 10
1½  14 14 14 14 14 14
2    22 22 22 21 25 24
2½  31 31 31 25 32 31
3    36 36 36 29 35 36
4    53 53 53 51 54 53
5    83 83 83 81 87 86
6    110 110 110 105 115 110
8    172 172 172 190 200 187
10    245 245 245 277 290 268
12    326 326 326 371 415 372
14    400 400 400 415 520 562
16    459 459 459 488 619 685
18    647 647 647 670 880 924
20    792 792 792 868 1107 1164
24    1480 1480 1480 1659 2099 2107
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 1500 Flange ½ 6 6 6 6 4 7
¾ 6 6 6 6 6 7
1    8 8 8 8 9 9
1¼ 10 10 10 10 10 10
1½  14 14 14 14 14 14
2    25 25 25 25 25 25
2½  36 36 36 35 35 36
3    48 48 48 47 48 48
4    73 73 73 75 73 73
5    132 132 132 140 140 132
6    165 165 165 170 160 165
8    260 260 260 286 302 275
10 436 436 436 485 510 455
12 667 667 667 749 775 690
14 940 940 940 890 975 940
16 1250 1250 1250 1250 1300 1250
18 1625 1625 1625 1475 1750 1625
20 2050 2050 2050 1775 2225 2050
24 2825 2825 2825 2825 3625 3325
Pressure Class Nominal Size Of Pipe  (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (LOOSE) Blind (BLRF) Weld Neck (WNRF)
Class 2500 Flange ½  …. 7 …. 7 7 8
¾ …. 9 …. 8 10 9
1 …. 12 …. 12 12 13
1¼ …. 18 …. 17 18 20
1½  …. 25 …. 24 25 28
2    …. 38 …. 37 39 42
2½  …. 55 …. 53 56 52
3    …. 83 …. 80 86 94
4    …. 127 …. 122 133 146
5    …. 210 …. 204 223 244
6    …. 323 …. 314 345 378
8    …. 485 …. 471 533 576
10    …. 925 …. 897 1025 1068
12    …. 1300 …. 1262 1464 1608

Carbon Steel St37.2 Slip On Flange Bolt Size


Carbon Steel St37.2 Slip On Flange Bolt Size
Class 150Class 300Class 600
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/16 RFRTJ1/16 RFRTJ1/4 RFRTJ
1/240.502-1/4–40.502-1/2340.5033
3/440.502-1/2–40.6333-1/240.633-1/23-1/2
140.502-1/2340.6333-1/240.633-1/23-1/2
1-1/440.502-3/43-1/440.633-1/43-3/440.633-3/43-3/4
1-1/240.502-3/43-1/440.753-1/2440.754-1/44-1/4
240.633-1/43-3/480.633-1/2480.634-1/44-1/4
2-1/240.633-1/2480.7544-1/280.754-3/44-3/4
340.633-1/2480.754-1/44-3/480.7555
3-1/280.633-1/2480.754-1/4580.885-1/25-1/2
480.633-1/2480.754-1/2580.885-3/45-3/4
580.753-3/44-1/480.754-3/45-1/481.006-1/26-1/2
680.7544-1/2120.754-3/45-1/2121.006-3/46-3/4
880.754-1/44-3/4120.885-1/26121.137-1/27-3/4
10120.884-1/25161.006-1/46-3/4161.258-1/28-1/2
12120.884-3/45-1/4161.136-3/47-1/4201.258-3/48-3/4
14121.005-1/45-3/4201.1377-1/2201.389-1/49-1/4
16161.005-1/45-3/4201.257-1/28201.501010
18161.135-3/46-1/4241.257-3/48-1/4201.6310-3/410-3/4
20201.136-1/46-3/4241.2588-3/4241.6311-1/411-1/2
24201.256-3/47-1/4241.50910241.881313-1/4

Class 900Class 1500Class 2500
NPS# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud# Studs And BoltsDiameter of Studs And BoltsLength of Stud
1/4 RFRTJ1/4 RFRTJ1/4 RFRTJ
1/240.754-1/44-1/440.754-1/44-1/440.754-3/44-3/4
3/440.754-1/24-1/240.754-1/24-1/240.7555
140.885540.885540.885-1/25-1/2
1-1/440.885540.885541.0066
1-1/241.005-1/25-1/241.005-1/25-1/241.136-3/46-3/4
280.885-3/45-3/480.885-3/45-3/481.0077
2-1/281.006-1/46-1/481.006-1/46-1/481.137-3/48
380.885-3/45-3/481.137781.258-3/49
481.136-3/46-3/481.257-3/47-3/481.501010-1/4
581.257-1/27-1/281.509-3/49-3/481.7511-3/412-1/4
6121.137-1/27-3/4121.3810-1/410-1/282.0013-1/214
8121.388-3/48-3/4121.6311-1/211-3/4122.001515-1/2
10161.389-1/49-1/4121.8813-1/413-1/2122.5019-1/420
12201.381010162.0014-3/415-1/4122.7521-1/422
14201.5010-3/411162.251616-3/4––––
16201.6311-1/411-1/2162.5017-1/218-1/2––––
18201.8812-3/413-1/4162.7519-1/220-3/4––––
20202.0013-3/414-1/4163.0021-1/422-1/4––––
24202.5017-1/418163.5024-1/425-1/2––––

Facing Type Of St37.2 Carbon Steel Blind Flange


Facing Type Of St37.2 Carbon Steel Blind Flange

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess
  • Type G: Ring Recess
  • Type H: O-Ring Groove

St37.2 Weld Neck Flange Tolerance


ST37.2 Steel Flange DiameterTolerance
(A) (Outer Diameter)
  • When Outer Diameter is 24 Inch or less: ±1/16" (1.6 mm)
  • When Outer Diameter is over 24": ±1/8" (3.2 mm)
(D) (Inner Diameter)
  • 10 Inches and smaller: ±1/32" (0.8 in mm)
  • 12 Inches thru 18": +1/8" (3.2 in mm)
  • 20 Inches and larger: -1/16" (1.6 in mm)
(B) Contact Face
  • 1/16" (RF): ±1/32" (0.8 mm)
  • 1/4" (RF), Tongue And Groove (male And female): ±1/64" (0.4 mm)
(J) Hub At Base Dai.
  • When hub base is 24 inches or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
(H) Diameter of hub at point of welding
  • 5 inch or smaller: +3/32" (2.4 mm), -1/32" (0.8 millimeter)
  • 6 inch or larger: +5/32" (4.0 millimeter), -1/32 (0.8 mm)
(P) Drilling
  • (B.C.): ±1/16" (1.6 mm)
  • (B.H.) spacing: ±1/32" (0.8 mm)
  Eccentricity of (bc) with respect to facing
  • 2 1/2" or smaller ±1/32" (0.8 mm) max.
  • 3" or larger ±1/16" (1.6 mm) max.
(C) (W.T.)
  • 18 inch or smaller: ±1/8" (3.2 mm), -0"
  • 20 inch or larger: ±3/16" (4.8 mm), -0"
(K) hub Length
  • 10 Inch or smaller: ±1/16" (1.6 millimeter)
  • 12 Inch or larger: ±1/8" (3.2 millimeter)

Surface Finish Of St37.2 Flat Face Flange


Surface Finish Of St37.2 Flat Face Flange
Normal Pipe Size (A) (B)
1/2 3.0 1.5
3/4 3.0 1.5
1 3.0 1.5
1-1/4 3.0 1.5
1-1/2 3.0 1.5
2 3.0 1.5
2-1/2 3.0 1.5
3 4.5 1.5
3-1/2 6.0 3.0
4 6.0 3.0
5 6.0 3.0
6 6.0 3.0
8 8.0 4.5
10 8.0 4.5
12 8.0 4.5
14 8.0 4.5
16 10.0 4.5
18 12.0 6.0
20 12.0 6.0
22 12.0 6.0
24 12.0 6.0

Sizes Of St37-2 Steel Flanges


Sizes Of St37-2 Steel Flanges

Carbon Steel St37-2 Pipe Flanges Manufacturing Process


Carbon Steel St37-2 Pipe Flanges Manufacturing Process

St37.2 4000PA Carbon Steel Flange Applications


  • Specialty Chemicals
  • Power Generation
  • Condensers
  • Chemical Equipment
  • Gas Processing
  • Pulp and Paper Industry
  • Sea Water Equipment
  • Pharmaceutical Equipment
  • Off-Shore Oil Drilling Companies
  • Petrochemicals
  • Heat Exchangers
  • Pharmaceuticals

Gaskets For ST37 Flanges


Gaskets For ST37 Flanges
(Normal Size Of Steel Pipes) In Inch (I.D.) Inner Daimeter Gasket
 (O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

Vishal Steel India
Types Of Piping Materials

Vishal Steel India