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What are the top 3 common manufacturing problems with alloy steel flanges?

  • Alloy steel flanges can suffer from inclusions or defects in the material. This can weaken the flange or cause structural issues.
  • Welding alloy steel spectacle blind flanges can be challenging due to the specific properties of the alloy.
  • Achieving precise dimensions in the manufacturing process can be difficult.

To avoid these manufacturing issues, it is crucial to work with a reputed Alloy Steel Flanges manufacturer in India like Vishal Steel.


What are some cost-saving tips when purchasing alloy steel weld neck flange?

  • Purchasing alloy steel weld neck flanges in larger quantities can lead to volume discounts.
  • Request quotes from multiple suppliers and opt for the most competitive price.
  • Opt for standard alloy steel plate flange sizes and specifications as customization will incur added cost.

Exporter of ASTM A182 Forged Flanges, check Chrome Moly Flanges Price in Mumbai


Alloy Steel Flanges

Alloy Steel Slip On Flange and Weld Neck Flange manufacturer offers Class 150 to 2500 pressure rating, call us for a free quote


How do you choose the right supplier for a alloy steel slip on flange?

  • Conduct thorough research to identify potential suppliers.
  • Verify that the supplier complies with relevant industry standards and can provide material certifications and test reports.
  • Check customer reviews and testimonials.
  • Compare prices from different suppliers and consider payment terms that suit your budget and needs.
  • Ensure the supplier provides adequate technical support and assistance on alloy steel slip on flange selection and inquiries.
  • Inquire about delivery timelines.
  • Consider the quality of their after sales service.

What types of sealing methods are used with chrome moly flanges?

Chrome moly flanges manufacturer in India recommends the following sealing methods:

  • Place a gasket made of suitable materials, between the AS flange faces to create a seal.
  • Using O-rings to provide a compression seal between the chromoly flanges faces.
  • Achieving a seal by bringing the flange faces into direct contact without using gaskets.

Alloy Steel Forged Flanges

Alloy Steel Forged Flanges

Chrome Moly Flanges

Chrome Moly Flanges

Alloy Steel Plate Flange

Alloy Steel Plate Flange

Alloy Steel Flanges


Alloy Steel Flanges Specification

Alloy Steel Flanges Specification

What is the benefits of gaskets in alloy steel forged flanges connections?

  • Gaskets create a reliable and leak tight seal between the mating flange faces.
  • It compensates for any irregularities on the alloy steel forged flanges faces.
  • Gaskets can be made from various materials which allows compatibility with different media, temperatures and pressures.
  • They help dampen vibrations and movements between flanges.

SA 182 Chemical Composition


PROPERTIES Of ALLOY STEEL FLANGES LOW ALLOY STEEL FLANGES MEDIUM ALLOY STEEL FLANGES
ASTM A182 F11 Flange (CL2) ASTM A182 F22 Flange (CL3) ASTM A182 F5 Flange ASTM A182 F9 Flange
CARBON 0.10-0.20 0.05-0.15 0.15 (MAXIMUM) 0.15 (MAXIMUM)
MANGANESE 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60
PHOSPHORUS (MAXIMUM) 0.04 0.04 0.03 0.03
SULFUR (MAXIMUM) 0.04 0.04 0.03 0.03
SILICON 0.50-1.00 0.50 (MAXIMUM) 0.50 (MAXIMUM) 0.50-1.00
NICKEL (MAXIMUM) 0.5
CHROMIUM 1.00-1.50 2.00-2.50 4.00-6.00 8.0-10.0
MOLYBDENUM 0.44-0.65 0.87-1.13 0.44-0.65 0.90-1.10
OPPER MA
COLUMBIUM (MAXIMUM)
VANADIUM (MAXIMUM)

ASTM A182 Mechanical Properties


Element Of Alloy Steel Forged Flanges Low alloy steel flanges Medium alloy steel flanges
F11 (CL2) F22 (CL3) F5 F9
TENSILE PROPERTIES PSI (MPA) 70,000 (485) 75,000 (515) 70,000 (485) 85,000 (585)
HARDNESS (HB) (MAXIMUM)* 143 ~ 207 156 ~ 207 143 ~ 217 179 ~ 217
YIELD PROPERTIES PSI (MINIMUM) 40,000 (275) 45,000 (310) 40,000 (275) 55,000 (380)
ELONGATION 2” % (MINIMUM) 20 20 20 20
REDUCTION AREA % (MINIMUM) 30 30 35 40

Alloy Steel Flanges Grades


Chrome Moly Flanges Grades


Grade Name UNS Number
F11 Class 1 K11597
F11 Class 2 K11572
F11 Class 3 K11572
F22 Class 1 K21590
F22 Class 3 K21590
F5 K41545
F9 K90941

Alloy Steel Slip On Flange Dimensions


Alloy Steel Slip On Flange Dimensions

NPS I.D. O.D. (Bolts Circle) Raised Face (RF) Hight For (H) Raised Face WT Thick1 B.H. Number
(Bolt Hole)
1/2 0.88 3.50 2.38 .063 1.19 .62 .38 4
3/4 1.09 3.88 2.75 .063 1.50 .62 .44 4
1 1.36 4.25 3.12 .063 1.94 .69 .50 4
1-1/4 1.70 4.62 3.50 .063 2.31 .81 .56 4
1-1/2 1.97 5.00 3.88 .063 2.56 .88 .62 4
2 2.44 6.00 4.75 .063 3.06 1.00 .69 4
2-1/2 2.94 7.00 5.50 .063 3.56 1.12 .82 4
3 3.57 7.50 6.00 .063 4.25 1.19 .88 4
4 4.57 9.00 7.50 .063 5.31 1.31 .88 8
5 5.66 10.00 8.50 .063 6.44 1.44 .88 8
6 6.72 11.00 9.50 .063 7.56 1.56 .94 8
8 8.72 13.50 11.75 .063 9.69 1.75 1.06 8
10 10.88 16.00 14.25 .063 12.00 1.94 1.13 12
12 12.88 19.00 17.00 .063 14.38 2.19 1.19 12
16 16.16 23.50 21.25 .063 18.00 2.50 1.38 16
18 18.18 25.00 22.75 .063 19.88 2.69 1.50 16
20 20.20 27.50 25.00 .063 22.00 2.88 1.63 20
24 24.25 32.00 29.50 .063 26.12 3.25 1.82 20

ASTM A182 Flange Pressure Rating

maximum pressure for Alloy Steel Forged Flanges in PSI

ASME/ANSI B16.5 RESSURE RATING AS PER ASME B16.5
Temp (°F) (Class 150) (Class 300) (Class 600) (Class 900) (Class 2500)
-20 to 100 265 695 1390 2085 5785
200 260 680 1360 2035 5660
300 230 655 1305 1955 5435
400 200 640 1280 1920 5330
500 170 620 1245 1865 5180
600 140 605 1210 1815 5040
700 110 570 1135 1705 4730
800 80 510 1015 1525 4230
900 50 450 900 1350 3745
1000 20 165 330 495 1370

Alloy Steel Flanges Price List


Type Of FlangeSize In Inch SCHClass GradePrice In INR (India) Per Piece
Weld Neck Flange2STD150-280.00
-4STD300-546.00
-680300-757.00
-880300-1190.00
Weld Neck1080300-1789.00
Slip On Flange240150-160.00
-340150-250.00
-480300-400.00
-680300-690.00
Slip On880300ASTM A182 F111168.00
Blind Flange3/440150ASTM A82 F11100.00
-140150-150.00
-1-1/240150-228.00
-240150-350.00
Blind440150-410.00

Manufacturer of Low Alloy Steel Socket Weld Flange and Lap Joint Flanges in FF-Flat Face, RF-Raised face, RTJ, Tongue and Groove


Alloy Steel Lap Joint Flange Weight Chart


Nominal Size Of Pipe (NPS) Lap Joint(LOOSE)
½ 1
¾ 2
1 2
3
3
2 5
8
3 9
11
4 13
5 15
6 19
8 30
10 43
12 64
14 105
16 140
18 160
20 195
22 245
24 275

Alloy Steel Thread Flange Marking


Alloy Steel Thread Flange Marking
  • size
  • item
  • specification and number
  • pressure rating, with unit
  • OD
  • WT, with unit
  • bore when applicable
  • std schedule when applicable,
  • material specification
  • 2"
  • FLANGE
  • THRF
  • ASME B16.5 #150
  • 6" OD x 0.250"
  • 152.4 Unit
  • Bore 15.500"
  • SCH 40
  • ASTM A182 F11

ASTM A182 Flanges Face Types

  • 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

Chrome Moly Flanges Wall Thickness


NPS Schedule 20 Schedule 40 Schedule 80
½ ... 0.109 0.147
¾ ... 0.113 0.154
1 ... 0.133 0.179
1 ¼ ... 0.14 0.191
1 ½ ... 0.145 0.2
2 ... 0.154 0.218
2 ½ ... 0.203 0.276
3 - 0.216 0.3
3 ½ - 0.226 0.318
4 - 0.237 0.337
5 - 0.258 0.375
6 - 0.28 0.432
8 0.25 0.322 0.5
10 0.25 0.365 0.594
12 0.25 0.406 0.688
14 0.312 0.438 0.75
16 0.312 0.5 0.844
18 0.312 0.562 0.938
20 0.375 0.594 1.031
22 - - -
24 0.375 0.688 1.219
26 - - -
30 0.5 - -

Why To Pay Extra If You Have Choice To Get Exact Sizes And Schedule In EN 1092-2 Alloy Steel Pipe Flanges and Alloy Steel Flanges manufacturer in India.


Alloy Steel Socket Weld Flange Sizes


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100


Manufacturing Alloy Steel Forged Flanges in various types and sizes, we offer AS Plate Flange for low, medium and high temperature

Type Of ASTM A182 Alloy Steel Flange


ASTM A182 Flanges

ASTM A182 Flanges

  • Pressure Class
  • Class 150 To 300
  • 600LBS To 900LBS
  • 1500# To 2500#
Low Alloy Steel Flanges

Low Alloy Steel Flanges

  • Type Of Flanges :
  • Weld neck/ slip-on
  • Socket weld/ threaded
  • Lap joint/ blind
Chromoly Flanges

Chromoly Flanges

  • Wall Thickness:
  • Schedule 10/ 20/ 40
  • SCH 60/ 80/ 100
  • Schedule 120/ 140 / 180
Alloy Steel Socket Weld Flanges

Alloy Steel Socket Weld Flange

  • Manufacturing Process :
  • Castings
  • Forgings
  • Plates
Alloy Steel Plate Flanges

Alloy Steel Plate Flange

  • Dimensions
  • ASME B16.5
  • ASME B16.47
  • ANSI B16.5
Alloy Steel Lap Joint Flanges

Alloy Steel Lap Joint Flange

  • Face Type :
  • Ring type joint
  • Flat face
  • Raised face
Alloy Steel Blind Flanges

Alloy Steel Blind Flange

  • Sizes :
  • 1/2" to 24" Inch
  • 12.7 to 609.6 MM
  • DN15 To DN1200
Alloy Steel Slip On Flanges

Alloy Steel Slip On Flange

  • EN Standard :
  • 6Bar/ 10Bar
  • 16Bar/ 25Bar
  • 40Bar
Alloy Steel Weld Neck Flanges

Alloy Steel Weld Neck Flange

  • Supporting Material :
  • Gasket
  • Ring joint
  • Flange bolts
Alloy Steel Spectacle Blind Flange

Alloy Steel Spectacle Blind Flange

  • Production Technique :
  • Forged
  • Heat treated
  • Machined
Alloy Steel Orifice Flanges

Alloy Steel Orifice Flanges

  • Coating :
  • Anti-rust paint
  • Zinc plated
  • Oil black paint
Alloy Steel Puddle Flange

Alloy Steel Puddle Flange

  • Flanges Attached Process :
  • Welding
  • Brazing
  • Threading
Alloy Steel Threaded Flanges

Alloy Steel Threaded Flange

  • DIN Standard :
  • PN6/ PN10
  • PN16/ PN25
  • PN40/ PN64
Alloy Steel Raised Face Flanges

Alloy Steel Raised Face Flange

  • Flange Bolts :
  • High strength bolts
  • Medium strength bolts
  • Low strength bolts
Alloy Steel RTJ Flanges

Alloy Steel RTJ Flange

  • Facing Finish :
  • Stock finish
  • Spiral serrated
  • Smooth finish

Alloy Steel Threaded Flange Bolt Chart


Size in Inch Size in mm Number of Bolts Bolt Size UNC RF Stud Length
1/2 15 4 1/2 55
3/4 20 4 1/2 65
1 25 4 1/2 65
1 1/4 32 4 1/2 70
2 50 4 5/8 85
3 80 4 5/8 90
4 100 8 5/8 90
5 125 8 3/4 95
6 150 8 3/4 100
8 200 8 3/4 110
10 250 12 7/8 115
12 300 12 7/8 120
16 400 16 1 135
18 450 16 1 1/8 145
20 500 20 1 1/8 160
24 600 20 1 1/4 170

ANSI/ ASME B16.5, MSS SP-44 Alloy Steel Orifice Flange, Reducing and Chromoly spectacle blind flanges manufacturer in India

Chromoly Flanges Application

  • 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

What is the purpose of coating AS flanges and how does it enhance their performance?

The purpose of coating AS pipe flanges is to enhance their performance and provide additional protection against various environmental factors. They also

  • Create a barrier that shields the flanges from corrosive substances.
  • Improve the resistance of the alloy steel reducing flange to wear and abrasion.
  • Enhance the ability of the alloy steel RTJ flange to withstand exposure to chemicals and aggressive substances.
  • Improve the appearance of the alloy steel orifice flange and provide a clean, uniform finish.

What factors should be considered when selecting a alloy steel blind flange based on it size?

  • The AS BLRF flange size should match the size of the pipe it will be installed on.
  • Consider the pressure rating of the alloy steel blind flange to ensure it can withstand the maximum pressure of the piping system.
  • Verify that the flange has the appropriate facing type to match the mating flange face.

What are the different testing requirements for exporting alloy steel lap joint flanges?

  • Verify that the alloy steel lap joint flanges meet the specified dimensions and tolerances.
  • Provide material test reports to confirm the high alloy steel flanges grade and composition.
  • Conduct NDT methods to detect any defects or flaws.
  • Perform pressure testing to check the ability of the flange to withstand the designated pressure.
  • Conduct a visual inspection for visible surface defects or irregularities.

What are the advantages of using a alloy steel pipe flange?

Stength, durability, resistance to corrosion and temperature, versatality and cost effectiveness are some of the primary advantages of using low alloy steel flanges.


Vishal Steel Forging Factory In India:


Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India
Steel Forging Factory Company In India

List Of Machinery Available Our Factory In Mumbai, India

  • Tee Beveling Machine
  • CNC Lath
  • Oil Fired Heat Treatment Furnace
  • Hydraulic Press 300 Tons Capacity
  • Radial Driling Machine
  • Elbow Beveling Machine
  • Conventional Machine
  • Tee Cold Forming Machines
  • Elbow Cold Forming Machines
  • Heat Treatment For Forged Fittings
  • Hydraulic Press 150 Tons Capacity
  • Portable Temperature Indicator

High Alloy Steel Flanges Packaging


High Alloy Steel Flanges Packaging
High Alloy Steel Flanges Packaging