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Alloy Steel Flanges

Alloy steel flanges are pressurized grades that are used  across different oil and gas applications. Alloy Steel Forged Flanges are high-strength flange that provide support to different applications. These flange have an excellent surface porosity with a finer grain structure. The Chrome Moly Flanges have excellent resistance to corrosive media in reducing conditions. The super-strength flange can work well in high-pressure and elevated temperature setups. Low Alloy Steel Flanges have a low content of alloys allowing the flange to possess enhanced ductility and workability. Our company is an Alloy Steel Flanges manufacturer in India who make use of the best raw materials and cutting-edge technology to produce the best products in the industry.

The Alloy Steel Slip On Flangeare slid on different pressurized components and welded using fillet welds. These flange have a low-profile head and are used in applications in the oil and gas industry where the stress on the grade is low. Alloy Steel Weld Neck Flange is a high-strength grade that is utilized to provide support and stability to different pipes. These flange have a protruded hub and are welded using a butt-weld. An Alloy Steel Blind Flange, on the contrary, doesn’t have a hub or lip. These flange help in terminating the fluid and gaseous flow in the system. The Alloy Steel Socket Weld Flange is generally seen in small pipes of low pressures. These flange have a recessed area that allows the pipe module to be installed in the grade and subsequently welded in place. Alloy Steel Lap Joint Flanges are a two-component assembly made up of a stub and a lap joint ring. These flange are used in connecting flange that are difficult to move across compact spaces. The Alloy Steel Threaded Flange has threads that allow it to be connected to subsequent modules easily. These flange are seen in lower pressure and temperatures setups. Alloy Steel Plate Flange is a flat circular disc-shaped grade that can be availed at the best rate across our outlets.

Leading Stockist of Alloy Steel Threaded Flange, Ask for free sample of ASTM A182 Forged Flanges

Chromoly Steel Flanges Specification

Here are many benefits if you buy from Alloy Steel Flanges manufacturers, like high quality, best price and wide range of Chromoly Steel Flanges

ASTM Specification ASTM/ ASME A182/ SA182
Standards ANSI/ASME B16.5, B16.48, B 16.47 Series A & B, EN-1092, BS4504, BS 10, DIN
Size in inch From 1/2" upto 36" (15NB to 1200NB)
Class and Pressure Chart PN40, PN25, 300#, PN64, 150#, 900#, PN6, PN10, 600#, 1500#, PN16, 2500#

ASTM A182 Low Alloy Steel Flanges Price List

Save 10-12% if you buy directly from Alloy Steel Blind Flanges manufacturers

Description Price Per Kg In Singapore Price Per Kg In UAE Price Per Kg In USD Price Per Kg In Malaysia
45.7MM X 35,5MM FLANGE ALLOY STEEL SA182 DN350/250 SGD 34.94 UAE Dirham 91.23 US $25.23 MYR 110.64
2500# RF FLANGE ALLOY STEEL RF LONG WELD NECK FLANGE 290MM LONG SA-182 SGD 54.50 UAE Dirham 142.32 US $39.36 MYR 172.60
8 X 300# X SCH 40 ALLOY STEEL WNRF FLANGE TO ASTM A182, DIMN B16.5. SGD 310.79 UAE Dirham 811.50 US $224.46 MYR 984.16
3-1/8 5000 PSI FORGED ALLOY STEEL FLANGE WELDNECK BW SCH XXH SGD 70.13 UAE Dirham 183.11 US $50.65 MYR 222.07
12 X 300# X SCH STD ALLOY STEEL SORF FLANGE TO ASTM A182, DIMN B16.5. SGD 856.44 UAE Dirham 2,236.26 US $618.54 MYR 2,712.06

Alloy Steel Flanges Types

Alloy Steel Reducing Flange

Alloy Steel Reducing Flange

ASTM A182 Low Alloy Steel Square Flanges

ASTM A182 Low Alloy Steel Square Flanges

Chromoly Steel Spectacle Blind Flanges

Chromoly Steel Spectacle Blind Flanges

ASME SA 182 AS Weld Neck Flange (WNRF)

ASME SA 182 AS Weld Neck Flange (WNRF)

ANSI B16.5 Alloy Steel Blind Flanges (BLRF)

ANSI B16.5 Alloy Steel Blind Flanges (BLRF)

ASME B16.5 Alloy Steel Plate Flanges

ASME B16.5 Alloy Steel Plate Flanges

Chrome Moly Alloy Steel Puddle Flanges

Chrome Moly Alloy Steel Puddle Flanges

AS Forged Flanges

AS Forged Flanges

Chrome Moly High Hub Blind Flanges

Chrome Moly High Hub Blind Flanges

ASME SA182 Alloy Steel Orifice Flanges

ASME SA182 Alloy Steel Orifice Flanges

ANSI B16.5 Chrome Moly Socket Weld Flanges (SWRF)

ANSI B16.5 Chrome Moly Socket Weld Flanges (SWRF)

ASTM A182 Alloy Steel Spade Flange

ASTM A182 Alloy Steel Spade Flange

Ferritic Alloy Steel Long Weld Neck Flanges

Ferritic Alloy Steel Long Weld Neck Flanges

High Temperature Low Alloy Steel Bleed Ring Flange

High Temperature Low Alloy Steel Bleed Ring Flange

Chrome Molybdenum Alloy Steel Threaded / Screwed Flanges

Chrome Molybdenum Alloy Steel Threaded / Screwed Flanges

High Alloy Steel Raised Face Flanges

High Alloy Steel Raised Face Flanges

Chromium Alloy Steel Tongue & Groove Flanges

Chromium Alloy Steel Tongue & Groove Flanges

Chrome Alloy Steel Ring Spacer

Chrome Alloy Steel Ring Spacer

Intermediate Alloy Steel Ring Type Joint Flanges (RTJ)

Intermediate Alloy Steel Ring Type Joint Flanges (RTJ)

High Temperature Alloy Steel Nipo flange

High Temperature Alloy Steel Nipo flange

High Temp Alloy Steel Weldo Flange

High Temp Alloy Steel Weldo Flange

Cast Alloy Steel Male & Female Flanges

Cast Alloy Steel Male & Female Flanges

Chromoly Steel Alloy Lap Joint Flanges

Chromoly Steel Alloy Lap Joint Flanges

Chromoly Alloy Steel Slip On Flanges (SORF)

Chromoly Alloy Steel Slip On Flanges (SORF)

ASME SA 182 AS Pipe Flange Schedule Chart

SORF (Slip On) NPS (Nominal Pipe Size) WRNR (Weld Neck) NPT (Threaded) Loose (Lap Joint) SWRF (Socket Weld) BLRF (Blind)
1 ½ 2 1 1 2 2
2 ¾ 2 2 2 2 2
2 1 3 2 2 2 2
3 3 3 3 3 3
3 4 3 3 3 4
5 2 6 5 5 5 5
8 10 8 8 8 7
9 3 11.5 9 9 9 9
11 12 12 11 11 13
13 4 16.5 13 13 13 17
15 5 21 15 15 15 20
19 6 26 19 19 19 27
30 8 42 30 30 30 47
43 10 54 43 43 43 70
64 12 88 64 64 64 123
90 14 114 90 105 90 140
106 16 140 98 140 98 180
130 18 165 130 160 130 220
165 20 197 165 195 165 285
185 22 225 185 245 185 355
220 24 268 220 275 220 430

Alloy Steel Flanges Weight Chart

We are a specialist supplier & distributor of ANSI B16.5 Alloy Steel Slip On Flange and Alloy Steel Threaded Flanges

Standard Bolt Size Dia. of Bolt Hole Class Dia. Bolt Circle Dia. No. of Bolts
ISO 7005 (DIN) Flange M10 11 PN6 Flange 80 55 4
M12 14 PN10 Flange 95 65 4
M12 14 PN16 Flange 95 65 4
M14 16 PN20 Flange 90 60.5 4
M12 14 PN25 Flange 95 65 4
M12 14 PN40 Flange 95 65 4
Alloy 2129 Flange 13 14 Table C Flange 95 67 4
13 14 Table D Flange 95 67 4
13 14 Table E Flange 95 67 4
13 14 Table F Flange 95 67 4
16 17 Table H Flange 114 83 4
16 17 Table J Flange 114 83 4
Alloy 4087 Flange M12 14 PN14 Flange 95 67 4
ANSI B16.5 Flange 13 16 ANSI 150 Flange 89 60 4
13 16 ANSI 300 Flange 95 67 4
13 16 ANSI 600 Flange 95 67 4
19 22 ANSI 900 Flange 121 83 4
19 22 ANSI 1500 Flange 121 83 4

Chrome Moly Flange Pressure Rating

Temperature °F 900# 300# 1500# 400# 150# 2500# 600#
-20 to 100 2160 720 3600 960 275 6000 1440
200 00 600 3000 800 230 5000 1200
300 1620 540 2700 720 205 4500 1080
400 1490 495 2485 660 190 4140 995
500 1395 465 2330 620 170 3880 930
600 1310 435 25 580 140 3640 875
650 1290 430 2150 575 125 3580 860
700 1275 425 2125 565 110 3540 850
750 1245 415 2075 555 95 3460 830
800 1210 405 2015 540 80 3360 805
850 1190 395 1980 530 65 3300 790
900 1165 390 1945 520 50 3240 780
950 1145 380 1910 510 35 30 765
1000 965 320 1605 430 20 2675 640
1050 925 310 1545 410 20 2570 615
1100 770 255 1285 345 20 2145 515
1150 595 200 995 265 20 1655 400
1200 465 155 770 205 20 1285 310
1250 340 115 565 150 20 945 225
1300 255 85 430 115 20 715 170
1350 5 60 310 80 20 515 125
1400 145 50 240 65 20 400 95
1450 105 35 170 45 15 285 70
1500 80 25 135 35 10 230 55

We Supply Low AS Pipe Flange and Alloy Steel Socket Weld Flange with NDT and MTC Test Certificates

ASME B16.5 Alloy Steel Flanges Chemical Composition

Grade Mn P Cr S C Mo
F91 0.3-0.6 0.03 8-10 0.03 0.15 max 0.9-1.1
F12 0.3-0.6 0.03 4-6 0.03 0.15 max 0.44-0.65
F5 0.3-0.6 0.03 4-6 0.03 0.15 max 0.44-0.65
F11 0.3-0.6 0.03 1.0-1.5 0.03 0.5-0.15 0.44-0.65
F9 0.3-0.6 0.03 8-10 0.03 0.15 max 0.9-1.1
F1 0.3-0.6 0.03 4-6 0.03 0.15 max 0.44-0.65
F22 0.3-0.6 0.03 4-6 0.03 0.50.15 max 0.44-0.65

Chrome Moly Pipe Flanges Mechanical Properties

Manufacturer of Alloy Steel Weld Neck Flange and Chrome Moly Alloy Steel RTJ Flanges in Mumbai, browse our range of Alloy Steel SWRF Flanges and AS Orifice Flanges online

Grade Elongation Yield Properties Tensile Properties
F91 20 % 585 380
F5 20 % 485 275
F9 20 % 585 380
F1 20 % 485 275
F11 20 % 415 205
F12 20 % 485 275
F22 20 % 415 205

Low Alloy Steel Flanges Equivalent

Common Name DIN W. No DIN Type Material Group UNS Casting Spec. Equivalent Forging Spec.
Moly Steel 1.5415 15M03 C-1/2Mo Low AS K12822 A217-WC1 A182-F1 cl2
AS Chrome Moly 1.7335 13CRM044 1.1/4Cr-1/2Mo K11572 A217-WC6 A182-F11 cl2
1.7380 10CRM0910 2.1/4Cr-1Mo K21590 A217-WC9 A182-F22 cl3
1.7362 12CRMO195 5Cr-1/2Mo K41545 A217-C5 A182-F5/F5a
1.7386 X 12 CrMo 9 1 9Cr-1Mo K90941 A217-C12 A182-F9
1.4903 X 10 CrMoVNb 9 1 9Cr-1Mo-V A217-C12A A182-F91
Ready stock of Alloy Steel Socket Weld Flange in various types and sizes, Call us for a free quote of Chrome Moly Weld Neck Flanges

Chromium Alloy Steel Applications

  • Chemical Equipment

  • Condensers

  • Petrochemicals

  • Power Generation

  • Pharmaceutical Equipment

  • Gas Processing

  • Pulp and Paper Industry

  • Pharmaceuticals

  • Sea Water Equipment

  • Heat Exchangers

  • Off-Shore Oil Drilling Companies

  • Specialty Chemicals

AS Weld Neck Flanges Sizes

Weld Neck FLanges

Class 150 LB

Pipe Weight Flange Data Hub Data Face Drilling Data
A C B D F E G I H J
Nominal Pipe Outside Diameter Overall Diameter Flange Thickness min Inside Diameter Overall Length Hub Diameter Diameter at Weld Bevel Face Diameter Bolt Hole Diameter Number of Holes Diameter of Circle of Holes
Size in
mm
kg/ piece in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
in
mm
2 0.840 0.75 3.750 0.560 0.620 2.060 1.500 0.840 1.380 0.620 4 2.620
21.30 95.20 14.20 15.70 52.30 38.10 21.30 35.00 15.70 66.55
w 1.050 1.26 4.620 0.620 0.820 2.250 1.880 1.050 1.690 0.750 4 3.250
26.70 117.3 15.70 20.80 57.15 47.70 26.70 42.90 19.00 82.50
1 1.315 1.52 4.880 0.690 1.050 2.440 2.120 1.320 2.000 0.750 4 3.500
33.40 123.9 17.50 26.70 62.00 53.80 33.50 50.80 19.00 88.90
14 1.660 2.03 5.250 0.750 1.380 2.560 2.500 1.660 2.500 0.750 4 3.880
42.20 133.3 19.00 35.10 65.00 63.50 42.20 63.50 19.00 98.50
12 1.900 2.89 6.120 0.810 1.610 2.690 2.750 1.900 2.880 0.880 4 4.500
48.30 155.4 20.60 40.90 68.30 69.85 48.30 73.15 22.30 114.3
2 2.375 3.40 6.500 0.880 2.070 2.750 3.310 2.380 3.620 0.750 8 5.000
60.30 165.1 22.30 52.60 69.85 84.00 60.45 91.90 19.00 127.0
22 2.875 5.17 7.500 1.000 2.470 3.000 3.940 2.880 4.120 0.880 8 5.880
73.00 190.5 25.40 62.70 76.20 100.0 73.15 104.6 22.30 149.3
3 3.500 6.93 8.250 1.120 3.070 3.120 4.620 3.500 5.000 0.880 8 6.620
88.90 209.5 28.40 78.00 79.25 117.3 88.90 127.0 22.30 168.1
32 4.000 8.67 9.000 1.190 3.550 3.190 5.250 4.000 5.500 0.880 8 7.250
101.6 228.6 30.20 90.20 81.00 133.3 101.6 139.7 22.30 4.1
4.500 10.00 1.250 4.030 3.380 5.750 4.500 6.190 0.880 7.880
4 11.2 8
114.3 254.0 31.70 102.4 85.80 146.0 114.3 157.2 22.30 200.1
5 5.563 15.1 11.00 1.380 5.050 3.880 7.000 5.560 7.310 0.880 8 9.250
141.3 279.4 35.00 128.3 98.50 177.8 141.2 5.7 22.30 234.9
6 6.625 19.1 12.50 1.440 6.070 3.880 8.120 6.630 8.500 0.880 12 10.62
168.3 317.5 36.50 154.2 98.50 206.2 168.4 215.9 22.30 269.7
Exporter of Alloy Steel Lap Joint Flanges, Check A182 Chrome Moly Reducing Flange Price in Mumbai

ASTM A182 Alloy Steel Blind Flanges Weight Chart

Why pay extra? Buying from Alloy Steel Nippolet Flange manufacturers saves your cost, wide selection of ASME SA182 Alloy Steel Lap Joint Flange and Alloy Steel WNRF Flanges in India

Blind FLanges

Class 300 LB

Outside
Diameter
No. of
Bolt Holes
Raised Face
Thickness (T)
Bolt Circle (BC) FLANGE
NPS
Raised Face (RF) Flat Face
Thickness (T2)
Raised Face (R) Bolt Hole (B)
3.75″ 4 0.56″ 2.62″ 1/2″ .063″ 0.50″ 1.38″ 0.62″
4.62″ 4 0.62″ 3.25″ 3/4″ .063″ .056″ 1.69″ 0.75″
4.88″ 4 0.69″ 3.50″ 1″ .063″ 0.63″ 2.00″ 0.75″
5.25″ 4 0.75″ 3.88″ 1-1/4″ .063″ 0.69″ 2.50″ 0.75″
6.12″ 4 0.81″ 4.50″ 1-1/2″ .063″ 0.75″ 2.88″ 0.88″
6.50″ 8 0.88″ 5.00″ 2″ .063″ 0.82″ 3.62″ 0.75″
7.50″ 8 1.00″ 5.88″ 2-1/2″ .063″ 0.94″ 4.12″ 0.88″
8.25″ 8 1.12″ 6.62″ 3″ .063″ 1.06″ 5.00″ 0.88″
9.00″ 8 1.19″ 7.25″ 3-1/2″ .063″ 1.13″ 5.50″ 0.88″
10.00″ 8 1.25″ 7.88″ 4″ .063″ 1.19″ 6.19″ 0.88″
11.00″ 8 1.38″ 9.25″ 5″ .063″ 1.32″ 7.31″ 0.88″
12.50″ 12 1.44″ 10.62″ 6″ .063″ 1.38″ 8.50″ 0.88″
15.00″ 12 1.62″ 13.00″ 8″ .063″ 1.56″ 10.62″ 1.00″
17.50″ 16 1.88″ 15.25″ 10″ .063″ 1.82″ 12.75″ 1.12″
20.50″ 16 2.00″ 17.75″ 12″ .063″ 1.94″ 15.00″ 1.25″
23.00″ 20 2.12″ 20.25″ 14″ .063″ 2.06″ 16.25″ 1.25″
25.50″ 20 2.25″ 22.50″ 16″ .063″ 2.19″ 18.50″ 1.38″
28.00″ 24 2.38″ 24.75″ 18″ .063″ 2.32″ 21.00″ 1.38″
30.50″ 24 2.50″ 27.00″ 20″ .063″ 2.44″ 23.00″ 1.38″
33.00″ 24 2.63″ 29.25″ 22″ .063″ 2.57″ 25.25″ 1.63″
36.00″ 24 2.75″ 32.00″ 24″ .063″ 2.69″ 27.25″ 1.62″

Alloy Steel Flanges Advantages

Alloy Steel Flanges Advantages

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