Email Address

kalpesh@manishasteelcentre.com

Phone Number

+91-9819868540

Alloy Steel Flanges Manufacturer in India

Home| Alloy Steel Flanges
Alloy Steel Flanges Specification
5 Advantages for Engineers in Kuwait to buy Alloy Steel Flanges from India
  • Large Stock Availability
  • Strong Warranty
  • Increased Production Capacity
  • Innovative Product Design
  • Global Certification
Manisha Steel Centre

Table of Content


Trusted ASTM A182 Chrome Moly Flanges Supplier in Mumbai As Per Custom Drawings

Alloy Steel Flanges Specification
AS Flanges Sizes

AS Flanges Sizes

  • NPS: 1/2 - 48 inch
  • SCH: Sch 5 - XXS
  • Class:150 - 2500

Alloy Steel Flanges Manufacturing Process

Alloy Steel Flanges Manufacturing Process

  • Casting
  • Forging
  • Rolling/Cutting
Chrome Moly Flanges Face

Chrome Moly Flanges Face

  • RF
  • LJF
  • RTJ
  • FF
  • T&G
Alloy Steel Forged Flanges Threads

Alloy Steel Forged Flanges Threads

  • FNPT
  • NPT
  • BSPP
  • BSPT
  • MNPT
AS Pipe Flange Standards

AS Pipe Flange Standards

  • ASME SA 182 | ASTM A182
  • MSS SP44
  • ASME B16.5
  • ASME B16.47 Series A & B

Alloy Steel Plate Flanges Types

Alloy Steel Plate Flanges Types

  • Blind
  • Weld Neck
  • Slip On
  • Socket Weld
  • Lap Joint
Low Alloy Steel Flanges Finish

Low Alloy Steel Flanges Finish

  • Smooth
  • Concentric/Spiral
  • Serrated
  • Mirror

Chrome Moly Socket Weld Flange Testing

Chrome Moly Socket Weld Flange Testing

  • Pressure
  • Hardness
  • PMI
  • Tensile
Alloy Steel Flange Material Supporting Material

Alloy Steel Flange Material Supporting Material

  • Gaskets
  • Flange Bolts
  • Ring Joint
AS Threaded Flange Grade

AS Threaded Flange Grade

  • F1 , F5
  • F9 , F11
  • F22 , F91

Low Alloy Steel Orifice Flanges Connection Type

Low Alloy Steel Orifice Flanges Connection Type

  • Welded
  • Threaded
  • Bolted
Alloy Steel Blind Flanges Origin

Alloy Steel Blind Flanges Origin

  • Japan, Korean
  • Indian
  • European

AS Spectacle Blind Flanges Meet Requirement

AS Spectacle Blind Flanges Meet Requirement

  • ISO 15156
  • NACE MR0103/MR0175
  • Sour Service

Chrome Moly Ring Type Joint Flange Application

Chrome Moly Ring Type Joint Flange Application

  • Aerospace
  • Pressure Vessels
  • Chemical Processing
  • Food and Beverage Industry
HSN Code Of Chrome Moly Flanges
Product HSN Code
AS Flanges 73072100

Purchase Low Alloy Steel Flanges in Sizes Ranging From 1/2 to 48" According to ANSI B16.5

Alloy Steel Flanges Size chart

Alloy Steel Flanges Manufacturer in India in various Sizes with Different Surface Finishes and Threads

Alloy Steel Flanges

 

Nominal Pipe Size Outside Diameter of Flange Diameter of Hub at Base Diameter of Raised Face Thickness of Flange Diameter or Bore Radius of Fillet Diameter of Hub at Bevel Depth of Socket
Slip-on Socket Lap Joint
O X R Q W B r H Z
1-1/4 4-5/8 2-5/16 2-1/2 5/8 1.70 1.72 3/16 1.66 9/16
1/2 3-1/2 1-3/16 1-3/8 7/16 .88 .90 1/8 .84 3/8
2-1/2 7 3-9/16 4-1/8 7/8 2.94 2.97 5/16 2.88 3/4
3/4 3-7/8 1-1/2 1-11/16 1/2 1.09 1.11 1/8 1.05 7/16
3-1/2 8-1/2 4-13/16 5-1/2 15/16 4.07 4.10 3/8 4.00 7/8
1 4-1/4 1-15/16 2 9/16 1.36 1.38 1/8 1.32 1/2
3 7-1/2 4-1/4 5 15/16 3.57 3.60 3/8 3.50 13/16
1-1/2 5 2-9/16 2-7/8 11/16 1.95 1.97 1/4 1.90 5/8
2 6 3-1/16 3-5/8 3/4 2.44 2.46 5/16 2.38 11/16
8 13-1/2 9-11/16 10-5/8 1-1/8 8.72 8.75 1/2 8.63 1-1/4
4 9 5-5/16 6-3/16 15/16 4.57 4.60 7/16 4.50 15/16
12 19 14-3/8 15 1-1/4 12.88 12.92 1/2 12.75 1-9/16
5 10 6-7/16 7.5/16 15/16 5.66 5.69 7/16 5.56 15/16
16 23-1/2 18 18-1/2 1-7/16 16.16 16.19 1/2 16.00 1-3/4
6 11 7-9/16 8-1/2 1 6.72 6.75 1/2 6.63 1-1/16
14 21 15-3/4 16-1/4 1-3/8 14.14 14.18 1/2 14.00 1-5/8
10 16 12 12-3/4 1-3/16 10.88 10.92 1/2 10.75 1-5/16
20 27-1/2 22 23 1-11/16 20.20 20.25 1/2 20.00 2-1/8
18 25 19-7/8 21 1-9/16 18.18 18.20 1/2 18.00 1-15/16
24 32 26-1/8 27-1/4 1-7/8 24.25 24.25 1/2 24.00 2-1/2

Get Superior AS Pipe Flange With Pressure Class 150 to 2500 Conforms to NACE MR0175/ISO 15156 At Unbeatable Prices

Low Alloy Steel Slip On Flange Pressure Rating
Temp (°F) (Class 600) (Class 150) (Class 900) (Class 300) (Class 2500)
1000 330 20 495 165 1370
-20 to 100 1390 265 2085 695 5785
400 1280 200 1920 640 5330
200 1360 260 2035 680 5660
500 1245 170 1865 620 5180
300 1305 230 1955 655 5435
700 1135 110 1705 570 4730
600 1210 140 1815 605 5040
900 900 50 1350 450 3745
800 1015 80 1525 510 4230
Alloy Steel Flanges Price List

Do You Want to See the Most Up-to-Date List of Prices for Alloy Steel Flanges? To obtain a quote immediately, send an email to kalpesh@manishasteelcentre.com.

Alloy Steel Blind Flange Price in India Price in INR Price in UAE Dirham
AS Threaded Flange Size: 1-1/2″ 6203.36 UAE 328.48
Alloy F5 blind flange Size: 1-1/2″ 4295.11 UAE 227.43
Forged Alloy Slip-On Flange 2621.32 UAE 138.80
Alloy F5 blind flange Size: 3″ 10095.45 UAE 534.57
AS Weld Neck Flange Size: 3″ 11160.22 UAE 590.95
Alloy Steel Forged Flanges Testing Methods
Alloy Steel Forged Flanges Testing
  • Ultrasonic Testing
  • Impact Test
  • Corrosion Testing
  • Tensile Test
  • Heat Treatment Verification
  • Hardness Test
  • Microstructure Examination
  • Visual Inspection
  • Magnetic Particle Inspection (MPI)
  • Radiographic Testing (RT)
Chrome Moly Threaded Flanges Thickness Chart
Alloy Steel Flanges Wall Thickness
NPS (Normal Pipe Sizes) Outside Daimeter (O.D.) Schedule 30 Schedule 10 STD Wall Schedule 20 Schedule 60 Schedule 40 Schedule 100 EXT Hvy Schedule 120 Schedule 80 Schedule 160 Schedule 140 XX Hvy
1 ¼ 1.66 ... 0.109 0.14 ... ... 0.14 ... 0.191 ... 0.191 0.25 ... 0.382
½ 0.84 ... 0.083 0.109 ... ... 0.109 ... 0.147 ... 0.147 0.188 ... 0.294
1 ½ 1.9 ... 0.109 0.145 ... ... 0.145 ... 0.2 ... 0.2 0.281 ... 0.4
¾ 1.05 ... 0.083 0.113 ... ... 0.113 ... 0.154 ... 0.154 0.219 ... 0.308
2 ½ 2.875 ... 0.12 0.203 ... ... 0.203 ... 0.276 ... 0.276 0.375 ... 0.552
1 1.315 ... 0.109 0.133 ... ... 0.133 ... 0.179 ... 0.179 0.25 ... 0.358
3 ½ 4 ... 0.12 0.226 ... ... 0.226 ... 0.318 ... 0.318 ... ... 0.636
2 2.375 ... 0.109 0.154 ... ... 0.154 ... 0.218 ... 0.218 0.344 ... 0.436
6 6.625 ... 0.134 0.28 ... ... 0.28 ... 0.432 0.562 0.432 0.719 ... 0.864
14 14 0.375 0.25 0.375 0.312 0.594 0.438 0.938 0.5 1.094 0.75 1.406 1.25 ...
3 3.5 ... 0.12 0.216 ... ... 0.216 ... 0.3 ... 0.3 0.438 ... 0.6
4 4.5 ... 0.12 0.237 ... ... 0.237 ... 0.337 0.438 0.337 0.531 ... 0.674
10 10.75 0.307 0.165 0.365 0.25 0.5 0.365 0.719 0.5 0.844 0.594 1.125 1 1
8 8.625 0.277 0.148 0.322 0.25 0.406 0.322 0.594 0.5 0.719 0.5 0.906 0.812 0.875
5 5.563 ... 0.134 0.258 ... ... 0.258 ... 0.375 0.5 0.375 0.625 ... 0.75
18 18 0.438 0.25 0.375 0.312 0.75 0.562 1.156 0.5 1.375 0.938 1.781 1.562 ...
12 12.75 0.33 0.18 0.375 0.25 0.562 0.406 0.844 0.5 1 0.688 1.312 1.125 1
24 24 0.562 0.25 0.375 0.375 0.969 0.688 1.531 0.5 1.812 1.219 2.344 2.062 ....
16 16 0.375 0.25 0.375 0.312 0.656 0.5 1.031 0.5 1.219 0.844 1.594 1.438 ...
26 26 .... .... 0.375 .... .... .... .... 0.5 .... .... .... .... ....
20 20 0.5 0.25 0.375 0.375 0.812 0.594 1.281 0.5 1.5 1.031 1.969 1.75 ...
36 36 0.625 0.312 0.375 0.5 .... 0.75 .... 0.5 .... .... .... .... ....
22 22 ... 0.25 0.375 ... ... ... ... 0.5 .... ... .... .... ....
40 40 .... .... 0.375 .... .... .... .... 0.5 .... .... .... .... ....
30 30 0.625 0.312 0.375 0.5 .... .... .... 0.5 .... .... .... .... ....
48 48 …….. …….. 0.375 …….. …….. …….. …….. 0.5 …….. …….. …….. …….. ……..
42 42 …….. …….. 0.375 …….. …….. …….. …….. 0.5 …….. …….. …….. …….. ……..
Offer Alloy Steel Forged Flanges in Various Types Like Slip On, Blind, Weld Neck etc. With Various Face like FF, RF, RTJ etc.
Connection Types Of Alloy Steel Flange Material

Manisha Steel Centre ISO Certified Alloy Steel Flanges Supplier in India Keep featuring Different Finishes and Pressure Ratings

Alloy Steel Slip On Flange

Alloy Steel Slip On Flange

Low Alloy Steel Blind Flanges

Low Alloy Steel Blind Flanges

AS Weld Neck Flange

AS Weld Neck Flange

Chrome Moly Socket Weld Flange

Chrome Moly Socket Weld Flange

Alloy Steel Threaded Flange

Alloy Steel Threaded Flange

AS Plate Flange

AS Plate Flange

Chrome Moly Lap Joint Flanges

Chrome Moly Lap Joint Flanges

Low Alloy Orifice Flanges

Low Alloy Orifice Flanges

Alloy Steel Spectacle Blind Flanges

Alloy Steel Spectacle Blind Flanges

AS Blind Flanges Face Types
Face Types Marking
Flat Face FF
Male Female Face M&F
Lap Joint Face LJRF
Tongue Groove Face T & G
Raised Face RF
Ring Type Joint RTJ
Low Alloy Steel Weld Neck Flange Dimensions
CLASS Nominal Pipe Size SS Threaded Flange SS Weld Neck Flange SS Slip On Flange SS Lap Joint Flange SS Socket Weld Flange SS Blind Flange
150 lb 1¼ 3 3 3 3 3 3
¾ 2 2 2 2 2 2
½ 1 2 1 1 2 2
1 2 3 2 2 2 2
2 5 6 5 5 5 5
1½ 3 4 3 3 3 4
3 9 11.5 9 9 9 9
2½ 8 10 8 8 8 7
4 13 16.5 13 13 13 17
3½ 12 12 11 11 11 13
6 19 26 19 19 19 27
5 15 21 15 15 15 20
10 43 54 43 43 43 70
8 30 42 30 30 30 47
14 90 114 90 105 90 140
12 64 88 64 64 64 123
18 130 165 130 160 130 220
16 98 140 106 140 98 180
22 185 225 185 245 185 355
20 165 197 165 195 165 285
24 220 268 220 275 220 430

 

Stock and Supply Alloy Steel Flange Material in Different Grades Suitable For Power Generation and Shipbuilding
Alloy Steel Forged Flanges Applications
  • Oil and Gas Industry
  • Heat Exchangers
  • Petrochemical Industry
  • Pharmaceuticals
  • Chemical Industry
  • Power Generation Industry
  • Shipbuilding
  • Sea Water Equipment
  • Off-Shore Oil Drilling Companies
  • Food Industry
Chrome Moly Threaded Flange Standards
  • MSS SP-44 Flange
  • Korean FLANGE
  • BS 10 Flanges
  • BS 4504 Flanges
  • AWWA C207 Flanges
  • Australian Flanges
  • ISO Flanges
  • GOST 12820 80 Flanges
  • API Flanges
  • JIS B2220 Flange
  • EN 1092-1 Flange
  • SABS / SANS 1123 Flanges
How do you Weld a AS Pipe Flange? 
AS Pipe Flange Weld
Alloy Steel Plate Flanges Chemical Composition
Grade Si C P Mn Cr S Mo
F9 0.5-1.0 0.15 max 0.03 0.3-0.6 8-10 0.03 0.9-1.1
F1 0.5 0.15 max 0.03 0.3-0.6 4-6 0.03 0.44-0.65
F11 0.5-1.0 0.5-0.15 0.03 0.3-0.6 1.0-1.5 0.03 0.44-0.65
F5 0.5-1.0 0.15 max 0.03 0.3-0.6 4-6 0.03 0.44-0.65
F22 0.5 0.50.15 max 0.03 0.3-0.6 4-6 0.03 0.44-0.65
F12 0.5 0.15 max 0.03 0.3-0.6 4-6 0.03 0.44-0.65
F91 0.5-1.0 0.15 max 0.03 0.3-0.6 8-10 0.03 0.9-1.1
AS Lap Joint Flanges Weight Chart
CLASS Nominal Pipe Size Socket Weld Slip On Lap Joint Threaded Weld Neck Blind
1500 lb ½ 6 6 6 6 7 4
1 8 8 8 8 9 9
¾ 6 6 6 6 7 6
2 25 25 25 25 25 25
1¼ 10 10 10 10 10 10
2½ 36 36 35 36 36 35
1½ 14 14 14 14 14 14
10 436 436 485 436 455 510
3 48 48 47 48 48 48
8 260 260 286 260 275 302
4 73 73 75 73 73 73
14 940 940 890 940 940 975
5 132 132 140 132 132 140
18 1625 1625 1475 1625 1625 1750
6 165 165 170 165 165 160
16 1250 1250 1250 1250 1250 1300
12 667 667 749 667 690 775
24 2825 2825 2825 2825 3325 3625
20 2050 2050 1775 2050 2050 2225
How Are Alloy Steel Flanges Installed Onto Pipes or Equipment?
Alloy Steel Flanges Installed
Low Alloy Steel Orifice Flanges Equivalent
Material Group Common Name DIN Type Forging Spec. UNS DIN W. No Casting Spec. Equivalent Application
Low AS Moly Steel 15M03 C-1/2Mo A182-F1 cl2 K12822 1.5415 A217-WC1 Up to 470ºC* (875ºF)
AS Chrome Moly 10CRM0910 2.1/4Cr-1Mo A182-F22 cl3 K21590 1.7380 A217-WC9 Up to 593ºC (1100ºF)
13CRM044 1.1/4Cr-1/2Mo A182-F11 cl2 K11572 1.7335 A217-WC6 Up to 593ºC (1100ºF)
X 12 CrMo 9 1 9Cr-1Mo A182-F9 K90941 1.7386 A217-C12 High temp erosive refinery service
12CRMO195 5Cr-1/2Mo A182-F5/F5a K41545 1.7362 A217-C5 High temp refinery service
X 10 CrMoVNb 9 1 9Cr-1Mo-V A182-F91 1.4903 A217-C12A High pressure steam
Chrome Moly Flanges Mechanical Properties
Grade Yield Strength (0.2%Offset) Tensile Strength Elongation
F9 585 380 20 %
F1 485 275 20 %
F11 415 205 20 %
F5 485 275 20 %
F22 415 205 20 %
F12 485 275 20 %
F91 585 380 20 %
Physical Properties of Alloy Steel Socket Weld Flange  
Grade Melting Point (°C) Density (g/cm³)
F5 1427to 1454 7.75
F9 1427to 1454 7.75
F11 1427to 1454 7.75
F22 1427to 1454 7.75
F91 1427to 1454 7.75
Available Stock Of Alloy Steel Flanges
42 inch AS Lap Joint Flange

42 inch AS Lap Joint Flange

High Quality Alloy Steel Threaded Flanges

High Quality Alloy Steel Threaded Flanges

3 AS Plate Flange

3 AS Plate Flange

2 inch Low AS Blind Flanges

2 inch Low AS Blind Flanges

ASME B16.5 Alloy Steel Ring Type Joint Flange

ASME B16.5 Alloy Steel Ring Type Joint Flange

Locationwise Estimated and Delivery Time Of AS Flanges
Changes in Price
Extra 5 %
Export to Shipping Time in Days
Saudi Arabia 7
Qatar 7
Italy 30
USA 40-60
France 30
Netherland 5
Philippines 14
Singapore 8
South Africa 25-30
Belgium 9
UAE 5 days
Indonesia 9
Malaysia 10
Kuwait 10
Germany 30
Manisha Steel Centre

 

Why Us ?
  • Stockist and Exporter of Small Diameter Tubing in Grades of Austenitic and Ferritic Stainless Steel.
  • Supply as Per American and European Standards According to Dimensional Standard ASME B36.19M
  • Distributor and Trader in Mumbai of Renowned Mills Outokumpu, POSCO and Aperam
  • Associated With Dealers and Stockholders in Kuwait, Nigeria, Iraq, Egypt, Congo and Gabon
©2025 Manisha Steel Centre. All Rights Reserved
Website Designed And SEO by Mesotek
Manufacturer and Supplier of Seamless Steel Tubes in India as per ASME SA 269.