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Flanges

Carbon Steel Flanges Specifications:

Grades ASTM A53 Gr B, ASME SA53 Gr B, API-5L Gr B, ASTM A106 Gr B, ASME SA106 Gr B, ASTM A106 Gr C, PSL 1 and PSL2
CS Flange Type Low Temp ASTM/ASME SA350 LF2 Forged Flanges, A105/105N Carbon Steel Flanges
Dimensions ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Connect Type/ Flange Face Type Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap-Joint Face (LJF), Large Male-Female (LMF), Small Male-Female (SMF), Large Tongue & Groove, Small Tongue, Groove
Size Range 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
CS Flange Class/ Pressure 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Facings Raised Face, RTJ Flanges etc.
Standard ANSI Flanges, ASME Flanges, JIS Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.


Surface treatment Anti-rust oil, transparent/ yellow/ black anti trst paint, Zinc, hot dipped galvanized
Pressure DIN:PN6 PN10 PN16 PN25 PN40; ANSI: class: 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-PN6, PN10, PN16, PN25, PN40, PN64 etc.
JIS: 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
Standard

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
ANSI Flange, ASME Flange, BS Flange, DIN Flange, EN Flange

  • B.S : BS4504 , BS3293, BS1560, BS10
  • DIN : DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • AS 2129: table D; table E; table H
  • Other Flange Standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203;UNI2276
  • American standard (ANSI)
  • German (DIN)
  • British standard (BS)
  • Any other specilised flanges.
Production technique:
  • Forged, Heat treated and machined
Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2") to 200 NB (8")
Equal and Reducing Configurations

ASTM A350 LF2 Threaded Flange, Slip-On Flange, Socketweld Flange, Weld Neck Flange, Blind Flange
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine Sand-blasting machine, etc
Origin West Europe / Japan / Indian / USA / Korean
Test Certificates Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
Specialized manufacturer of ASTM A350 LF2 Blind Flanges, ASTM A350 LF2 Table Flanges, ASTM A350 LF2 Weld Neck Flanges, ASTM A350 LF2 Threaded Flanges, ASTM A350 LF2 Slip-On Flanges, ASTM A350 LF2 Socketweld Flanges, ASTM A350 LF2 Plate Flanges, ASTM A350 LF2 Loose Flanges, ASTM A350 LF2 Orifice Flanges. ASTM A350 LF2 AS 4087 Water Flanges, ASTM A350 LF2 Lap Joint Flanges are available in class 150, 300, 600, 900, 1500 and 2500.
Key markets and industries for ASTM A350 LF2 Flanges
  • Bitumen upgraders
  • Heavy oil refineries
  • Nuclear power (mostly seamless)
  • Petrochemicals and acids
Reason to choose ASTM A350 LF2 Pipe Flanges, Key properties
  • Depending on alloy, highly resistant to highest temperatures (Inconel), corrosion and acids (Monel, Hastelloy).
  • High price restrains use to applications where other metals would fail.

ASTM A105 Flange pressure rating

Temperature (F°) 150# 300# 400# 600# 900# 1500# 2500#
< 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
Hydrostatic Test Pressure (psig) 450 1125 1500 2225 3350 5575 9275

ASTM A105 Flange standard

ANSI B 16.5, ANSI B16.45, JIS B2220, DIN2633, ASME, ASTM, JIS , DIN , EN, etc.


ASTM A105 Flange material

Looking for Carbon Steel Flanges manufacturers in India? Best price of MSS SP-44 CS Plate Flanges in Mumbai

Q235, 20#, Q345A105, ST37.0, ST35.8, St37.2, St35.4/8, St42, St45, St52, St52.4STP G38,STP G42,STPT42, STB42, STS42, STPT49, STS49


ASTM A105 Flange properties

Chemical Composition Requirements of ASTM A105
Element Composition,%
Carbon (C) 0.35max
Manganese (Mn) 0.60–1.05
Phosphorus (P) 0.035max
Sulfur (S) 0.040max
Silicon (Si) 0.10–0.35
Copper (Cu) 0.40max
Nickel (Ni) 0.40max
Chromium (Cr) 0.30max
Molybdenum (Mo) 0.12max
Vanadium (V) 0.08max
Mechanical Properties of ASTM A105
Mechanical Properties Requirements
Tensile strength,min,psi [MPa] 70000 [485]
Yield strength,min,psi [MPa] 36000 [250]
Elongation, min, % 30
Reductionofarea,min,% 30
Hardness,HB,max 187

ASTM A105 Flange weight

Carbon Steel Forged & Plate Flangesas per ASME B16.5 dimensions in Class 150 to 2500
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
150 lb 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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
300 lb 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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
400 lb 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    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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
600 lb 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
  8 115 115 115 112 140 120
  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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
900 lb 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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
1500 lb 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
CLASS Nominal Pipe Size  Slip On  Threaded Socket Weld Lap Joint Blind Weld Neck
2500 lb 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
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