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SS 304 Flanges Specification

How do you ensure the quality of stainless steel 304 flanges during manufacturing and testing?

Ensuring the quality of the ASTM A182 F304 flanges requires a series of rigorous processes and quality control measures. The stainless steel 304 flanges manufacturer in India recommends the following

  • The SS 304 flange material must be verified for traceability.
  • It should be manufactured according to industry standards and specific requirements.
  • A quality management system should be employed along with a controlled manufacturing process.
  • Different types of inspections and tests must be conducted on stainless steel 304 socket weld flange to ensure the quality.

Stainless Steel 304 Flanges

What are the benefits of using SS 304 blind flange in my pipeline system?

  • The SS 304 blind flange offers good corrosion resistance properties and is suitable for a wide range of environments.
  • They can be used in various industries like pharmaceuticals, food processing, petrochemicals, water treatment, etc.
  • The material is quite durable and can withstand high pressure and temperature variations.
  • It shows strict hygienic properties and requires less maintenance.



ASTM A182 F304 Slip On Flange and SS 304 Blind Flange manufacturer in India


ASTM A182 F304 Specification


Most Selling Size

Most Selling Size :

  • 15NB – 1500NB
  • NPS: ½” to 48″
  • PN 2.5 – PN 400
Melting Temperature

Melting Temperature :

  • 1400 To 1530 °C
Benefits

Benefits :

  • No Drilling
  • Short Time Fabrication
  • Environment-Friendly
Wall Thickness

Wall Thickness :

  • SCH 10/ 20/ 40
  • SCH 60/ 80/ 100
  • SCH 120/ 140
  • SCH 160/ 180
Pressure

Pressure :

  • Class 125, 150
  • Class 300, 400
  • Class 600, 900
  • Class 1500, 2500
International Standard

International Standard :

  • ASME B16.5
  • ASME B16.36
  • ASME B16.47
  • ASME B16.48
Manufacturing Method

Manufacturing Method :

  • Cast
  • Plate
  • Forged
Forging Temperature

Forging Temperature :

  • 1700 and 2300°F
No. Of Bolts Hole

No. Of Bolts Hole :

  • 4 To 48
Supporting Material

Supporting Material :

  • Ring Joint
  • Nuts
  • Gaskets
  • Bolts
Threads

Threads :

  • BSPP (Male & female)
  • MNPT (Male)
  • MPT/ BSPT (Female)
  • NPT/ BSP/ FPT
Surface Finish

Surface Finish :

  • Smooth finish
  • Concentric serrated
  • Cold water finish
  • Spiral serrated
Types Of Packaging

Types Of Packaging :

  • Carton box
  • Plastic bag
  • Wooden case
  • Or custom as required
Logistics Way

Logistics Way :

  • By Air
  • By Sea
  • Saudi Arabia = 7 to 8 day
  • UAE = 6 to 7 day
  • Oman = 5 to 6 days
  • Bahrain = 9 to 10 days
  • Qatar = 7 day
Services

Services :

  • Drilling/ Electroplating
  • Threading/ Forging
  • Beveling end/ Polishing
  • Cutting/ Minor Fabrication
  • CNC machined/ Casting
  • Sand Blasting/ Rolling
Faces Method

Faces Method :

  • M&F face (Male & female)
  • RF face (Raised)
  • RTJ face (Ring type joint)
  • FF face (Plain or flat)
  • T&G face (Tongue & groove)
Installations :

Installations :

  • Sea water exchanger
  • Petrochemical plants
  • Nuclear energy sector
Uses :

Uses :

  • Power generation plant
  • Petrochemical plants
  • Petrochemicals industry
  • Oil & gas plants
  • Nuclear energy sector
  • Sea water exchanger
Types Of Connection

Types Of Connection :

  • Threaded
  • Welding
Available Material:

Available Material:

  • Carbon steel
  • Nickel alloy
  • Titanium
  • Copper nickel
  • Alloy steel
  • Stainless steel
Testing :

Testing :

  • Material inspection
  • Tensile test
  • Hardness test
  • PMI test
  • Visual inspection
  • Impact test
Low Thermal Conductivity

Low Thermal Conductivity :

  • 15 W/(mK)
Elasticity Modulus

Elasticity Modulus :

  • 342 – 45000 KSI
  • 2.36 – 310 GPa
Electrical Resistivity

Electrical Resistivity :

  • 0.0000720 ohm-cm


What is the recommended surface treatment for an SS 304 flange?

There are various surface treatments available for SS 304 flanges, but the right choice depends on application requirements. It is crucial to make the surface of the flanges free from defects before applying any coating on them. The surface treatments can help improve the corrosion resistance properties and aesthetics of the ASTM A182 gr F304 reducing flanges.


A182 F304 Material Price List


  • Type = Weld Neck Flange
  • Standard = Type 11/B
  • Face Type = RF
  • Class = PN25/40
Size Price In US$ (Dollar) per unit Price In Dirham (AED) per unit
DN100 US $ 157.66 579.09
DN125 US $ 275.08 1010.38
DN150 US $ 322.13 1183.19
DN50 US $ 87.34 320.80
DN65 US $ 118.20 434.15
DN80 US $ 115.51 424.27
DN100 US $ 254.87 936.15
DN125 US $ 262.09 962.66
DN150 US $ 448.03 1645.63
DN50 US $ 125.53 461.08
DN65 US $ 159.23 584.86
DN80 US $ 221.27 812.73

View ASME SA182 F304 Flanges Hardness

  • Brinell = 210HB (Maximum)
  • Rockwell B = 92 (Maximum)

SS 304 Flanges Melting Point

  • 1400 °C
  • 2550 °F

A182 F304 Material Tensile Requirements

  • KSI = 75 (min)
  • MPa = 515 (min)

A182 F304 Material Tensile Rating

  • 1399°C To 1454°C
  • 2,550°F To 2,650°F

SA 182 Gr F304 Flanges Corrosion Resistance


Types Of Acid Acid Value Diagram
65% Nitric Acid 212 Nitric Acid
80% Acetic Acid 212p Acetic Acid
0.2% Hydrochloric Acid Boiling Hydrochloric Acid
85% Phosphoric Acid 176 Phosphoric Acid

304 Stainless Steel Flange Sealing Face

Three common types

  • Flat
  • Raised flat
  • Ring type joint
Characteristics RTJ (Ring Type Joint) FF (Flat Face) RF (Raised Face)
Types Of Gasket Hard metal gasket Non-metallic and Soft gasket Semi-metallic and Non-metallic gasket
Range Of Temperature Only for low temperatures Broad range Broad range
Range Of Pressure only for low pressures Broad range only for higher pressures
Face Sealing I.D. to O.D. I.D. to raised face O.D.. Groove in face.
Area Of Sealing Large Medium Small
Pressure Class Class 125 to Class 250 Class 150 To 2500 Class 150 To 2500 Generally ≥ 900 LBS

How does the size of an SS 304 SORF flange affect its pressure rating?

Generally, as the size of SS 304 SORF flange increases, its pressure rating decreases for a given pressure class. UNS S30400 Larger flanges come with larger seating surfaces of the gaskets and require thicker flange walls for maintaining the pressure rating. It also helps to distribute the load effectively.


Manufacturer of UNS S30400 Stainless Steel Pipe Flanges in various types such as Orifice Flange, Plate and SS 304 Forged flanges in accordance with JIS, EN, DIN, GOST, AWWA, and API specification


Types Of Stainless Steel 304 Flanges

SA 182 Gr F304 RTJ Flanges

SA 182 Gr F304 RTJ Flanges

 SUS 304 Raised Face Flanges

SUS 304 Raised Face Flanges

SS 304 Reducing Flanges

SS 304 Reducing Flanges

304 Welding Neck Flanges

304 Welding Neck Flanges

 304 Stainless Steel Square Flange

304 Stainless Steel Square Flange

DIN 1.4301 Flat Flanges

DIN 1.4301 Flat Flanges

UNS S30400 Anchor Flange

UNS S30400 Anchor Flange

 AISI 304 Large Diameter Flanges

AISI 304 Large Diameter Flanges

WNR 1.4301 High Hub Blind Flange

WNR 1.4301 High Hub Blind Flange

Class 150 Stainless Steel 304 Flanges

Class 150 Stainless Steel 304 Flanges

 304 Flange Asme B16.5

304 Flange Asme B16.5

ASTM A182 F304 Flanges

ASTM A182 F304 Flanges

304 Stainless Steel Flanges

304 Stainless Steel Flanges

 SS 304 Flanges

SS 304 Flanges

SS 304 Pipe Flanges

SS 304 Pipe Flanges

Stainless 304 Flanges

Stainless 304 Flanges

 304 SS Flanges

304 SS Flanges

 SS 304 Pipe Flanges

SS 304 Pipe Flanges


SS 304 Forged Flange Dimensions

SS 304 Forged Flange Dimensions

Normal Pipe Size Flanges
Diameter
('O')
Diameter of
(B.C.)
'A'
Diameter of (B.H.)
'D'
Flanges Wall Thickness
'C'
(Flanges) Diameter of Hub
'E'
Length Of Through Hub Bore ('B')
SORF/ SWRF
(Y)
WNRF
(Y)
Lap Joit
(Y)
SORF/ SWRF
(B)
Lap Joit
(B)
1/2'' 15 95.2 66.7 15.9 14.3 38.1 22.2 52.4 22.2 22.3 22.9
3/4'' 20 117.5 82.5 19.0 15.9 47.6 25.4 57.1 25.4 27.7 28.2
1'' 25 123.8 88.9 19.0 17.5 54.0 27.0 61.9 27.0 34.5 35.0
1 32 133.3 98.4 19.0 20.6 63.5 28.6 66.7 28.6 43.2 43.7
1 40 155.6 114.3 22.2 22.2 69.8 31.7 69.8 31.7 49.5 50.0
2'' 50 165.1 127.0 19.0 25.4 84.1 36.5 73.0 36.5 62.0 62.5
2 65 190.5 149.2 22.2 28.6 100.0 41.3 79.4 41.3 74.7 75.4
3'' 80 209.5 168.3 22.2 31.8 117.5 46.0 82.5 46.0 90.7 91.4
3 90 228.5 184.2 22.2 34.9 133.4 49.3 85.7 49.3 103.4 104.1
4'' 100 273.0 215.9 25.4 38.1 152.4 54.0 101.6 54.0 116.1 116.8
5'' 125 330.2 266.7 28.6 44.4 188.9 60.3 114.3 60.3 143.8 144.5
6'' 150 355.6 292.1 28.6 47.6 222.2 66.7 117.5 66.7 170.7 171.4
8'' 200 419.1 349.2 31.7 55.6 273.0 76.2 133.3 76.2 221.5 222.2
10'' 250 508.0 431.8 34.9 63.5 342.9 85.7 152.4 111.2 276.3 277.4
12'' 300 558.8 488.9 34.9 66.7 400.0 92.1 155.6 117.3 327.1 328.2
14'' 350 603.2 527.0 38.1 69.9 431.8 93.7 165.1 127.0 359.1 360.2
16'' 400 685.8 603.2 41.3 76.2 495.3 106.4 177.8 139.7 410.5 411.2
18'' 450 742.9 654.0 44.4 82.6 546.1 117.5 184.1 152.4 461.8 462.3
20'' 500 812.8 723.9 44.4 88.9 609.6 127.0 190.5 165.1 513.1 514.3
24'' 600 939.8 838.2 50.8 101.6 717.5 139.7 203.2 184.1 615.9 615.9


Vishal Steel Casting & Forging Factory

Vishal Steel Casting & Forging Factory
Vishal Steel Casting & Forging Factory
Vishal Steel Casting & Forging Factory
Vishal Steel Casting & Forging Factory
Vishal Steel Casting & Forging Factory
Vishal Steel Casting & Forging Factory

ADNOC approved manufacturer of 304 Stainless Steel Flanges in Raised/ Flat/ RTJ Face, check SA 182 Gr F304 Weld Neck Flange material dimensions and pressure class


304 Stainless Steel Flange Dimensions

304 Stainless Steel Flange Dimensions


CLass15030060090015002500
Diameter
A
3038383838...
Diameter
D
909595120120...
THK
B
9.612.714.322.322.3...
11.214.320.728.728.7...
Diameter
G
35.135.135.135.135.1...
Diameter
K
60.366.766.782.682.6...
Height1421223232...
15.622.628.438.438.4...
Number
L
44444...
Diameter
L
15.915.915.922.222.2...
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/4...
Length
mm
556575110110...

ASTM A182 F304 Blind Flange Dimensions


ASTM A182 F304 Blind Flange Dimensions

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
(D)
909595120120135
(B)9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
(G)
35.135.135.135.135.135.1
Diameter
(K)
60.366.766.782.682.688.9
Number
(L)
444444
Diameter
(L)
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(inch)
1/21/21/23/43/43/4
Length in
millimeter
556575110110120

SS 304 Weld Neck Flange Dimensions


SS 304 Weld Neck Flange Dimensions

CLassCLass 150CLass 300CLass 600CLass 900CLass 1500CLass 2500
Diameter
A
303838383843
Diameter
D
909595120120135
Thickness
B
9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Hight465152606073
47.652.658.466.466.479.4
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length
mm
556575110110120

ASTM A182 F304 Threaded Flange Dimensions


ASTM A182 F304 Threaded Flange Dimensions

CLassClass 150Class 300Class 600Class 900Class 1500Class 2500
Diameter
A
303838383843
Diameter
D
909595120120135
Thickness
B
9.612.714.322.322.330.2
11.214.320.728.728.736.6
Diameter
G
35.135.135.135.135.135.1
Diameter
K
60.366.766.782.682.688.9
Height142122323240
15.622.628.438.438.446.4
Number
L
444444
Diameter
L
15.915.915.922.222.222.2
Stud Bolts Diameter x Length
Diameter
(in)
1/21/21/23/43/43/4
Length In
mm
556575110110120

Class 150 to 2500 Stainless Steel 304 Socket Weld Flange and ASTM A182 Gr F304 Reducing Flanges manufacturer in Mumbai, View Weight Chart

Stainless Steel 304 Slip On Flange Weight

NPS
(Inches)
Slip On (SORF) In Inch
1/2 1.8
3/4 2.4
1 3.6
1 1/4 4
1 1/2 5.5
2 10.2
2 1/2 13.9
3 -
4 -
5 -
6 -
8 -

SS 304 Weld Neck Flange Weight Chart

NPS
(Inches)
WN
1/2 1.9
1 3.7
2 10.8
2 1/2 15
3 19.9
4 29.9
5 55.4
6 68.4
8 117
10 194.0
12 288.0
14 380.0

ASTM A182 F304 Blind Flange Weight Chart

NPS
(Inches)
BLIND
1/2 1.8
3/4 2.4
1 3.6
1 1/4 4.1
2 10.1
2 1/2 14
3 19.1
4 29.9
5 58.4
6 71.8
8 122
10 210.0
12 316.0

304 Welding Neck Flange Manufacturing Process

304 Welding Neck Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
304 Welding Neck Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
304 Welding Neck Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
304 Welding Neck Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
304 Welding Neck Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
304 Welding Neck Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
304 Welding Neck Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
304 Welding Neck Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
304 Welding Neck Flange Manufacturing Process

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

SS 304 Flange Hsn Code

Description Hs Code Number of Shipments
Stainless Steel 304 Flanges 73072100 17

Stainless Steel 304 Flanges Standard

Stainless Steel 304 Flanges Standard
  • BS 4504
  • ASME B16.5
  • ANSI B16.5
  • MSS SP-44
  • EN 1092-2 PN16
  • DIN
  • EN 1092-1
  • AWWA C207
  • JIS
  • ISO

Supplier of Stainless Steel DIN 1.4301 Spectacle Blind Flange, Ring Spacers, Spades and Stainless Steel 304 Threaded Flanges in PN6, PN10, PN40 pressure rating, call now for a free sample!

304 SS Flange Pressure Rating Class 150

Temp. °F Class 150
-20~100 275
200 230
300 205
400 190
500 170
600 140
700 110
800 80
900 50
1000 20

Class 300 SS 304 Flanges Pressure Rating

Temp. °F Class 300
-20~100 720
200 600
300 540
400 495
500 465
600 440
700 420
800 405
900 390
1000 355
1100 255
1200 165

Class 600 Stainless Steel 304 Flanges Pressure Rating

Temp. °F Class 600
-20~100 1,440
200 1,200
300 1,075
400 995
500 930
600 885
700 845
800 810
900 780
1000 710
1100 515
1200 330

Class 900 SS 304 Flanges Pressure Rating

Temp. °F Class 900
-20~100 2,160
200 1,800
300 1,615
400 1,490
500 1,395
600 1,325
700 1,265
800 1,215
900 1,165
1000 1,065
1100 770
1200 495

304 SS Flange Pressure Rating Class 1500

Temp. °F Class 1500
-20~100 3,600
200 3,000
300 2,690
400 2,485
500 2,330
600 2,210
700 2,110
800 2,030
900 1,945
1000 1,770
1100 1,285
1200 825

Class 2500 Stainless Steel 304 Flanges Pressure Rating

Temp. °F Class 2500
-20~100 6,000
200 5,000
300 4,480
400 4,140
500 3,880
600 3,680
700 3,520
800 3,380
900 3,240
1000 2,950
1100 2,145
1200 1,370

A182 F304 Equivalent Material

WERKSTOFF No.

  • 1.4301

ASTM A240 F304

  • For Plate flange

ASTM A182 F304

  • For Forged Flanges

SUS

  • 304

BS

  • 304S31

UNS

  • UNS S30400

INOX

  • 304

AFNOR

  • Z7CN18‐09

EN

  • X5CrNi18-10

ASTM A182 F304 chemical composition

Nickel

8 – 10.5%

Chromium

17.5 – 19.5%

Iron

66.74 – 71.24%

Sulphur

0.03%

Phosphorus

0.05%

Carbon

0.07%

Silicon

1%

Nitrogen

0.11%

Manganese

2%

Available Stainless Steel 304 Flanges Machineries In House

Available Stainless Steel 304 Flanges Machineries

Welding Machine

Available Stainless Steel 304 Flanges Machineries

Facing Machines

Available Stainless Steel 304 Flanges Machineries

Bevelling Machines

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

ASTM A182 F304 Mechanical Properties

Mechanical Properties
Modulus of Elasticity 193 GPa
Thermal Conductivity 16.2W/m.K
Thermal Expansion 17.2 x 10-6/K
Yield Strength 30000 PSI (205 MPa)
Electrical Resistivity 0.072 x 10-6Ω.m

UNS S30400 Stainless Steel Flanges Marking

UNS S30400 Stainless Steel Flanges Marking
  • size
  • item
  • specification and number
  • pressure rating, with unit
  • OD
  • WT, with unit
  • bore when applicable
  • std schedule when applicable,
  • material specification
  • 3"
  • FLANGE
  • SORF
  • ASME B16.5 150#
  • 6" OD x 0.250"
  • 152.4 Unit
  • Bore 15.500"
  • SCH 40S
  • ASTM A182 F304

Difference Between F304 And F304L


Difference Between F304 And F304L

SA 182 Gr F304 Flanges Heat Treatment


Name Of Grade Types Of Heat Treatment Austenitizing & Solutioning Cooling Quenching Tempering
Types Of Treat temperature (Temp.), minimum. (°F) Media Cool Temp.
Stainless Steel 304 Flanges Solution 1900 [1040] Liquid 500 [260]
treat and
quench

What types of gaskets are commonly used with 304 stainless steel flange?

Commonly used gaskets with 304 stainless steel flange will include:

  • Spiral wound gasket for high pressure & temperature applications as they offer excellent sealing performance.
  • PTFE gaskets show excellent corrosion resistance and can be used with aggressive fluids.
  • PTFE gaskets show excellent corrosion resistance and can be used with aggressive fluids.

What is the recommended procedure for inspecting SA 182 Gr F304 weld neck flange?

  • Visual inspection helps to check surface defects and damages on SA 182 Gr F304 weld neck flange.
  • Dimensional inspection confirms that the flange adheres to the dimensional requirements of the application.
  • Material verification ensures the flange meets the desired chemical composition and mechanical properties.

There are several other inspections that are conducted based on specific application needs.


SS 304 Blind Flanges

SS 304 Blind Flanges

  • Dimensions
  • ASME B16.5
  • ASME B16.47
  • ANSI B16.5
SS 304 Slip On Flanges

SS 304 Slip On Flanges

  • Face Type :
  • Ring type joint
  • Flat face
  • Raised face
SS 304 Weld Neck Flanges

SS 304 Weld Neck Flanges

  • Manufacturing Process :
  • Castings
  • Forgings
  • Plates
SS 304 Socket Weld Flanges

SS 304 Socket Weld Flanges

  • Wall Thickness:
  • Schedule 10/ 20/ 40
  • SCH 60/ 80/ 100
  • Schedule 120/ 140 / 180
SS 304 Plate Flanges

SS 304 Plate Flanges

  • Pressure Class
  • Class 150 To 300
  • 600LBS To 900LBS
  • 1500# To 2500#
SS 304 Lap Joint Flanges

SS 304 Lap Joint Flanges

  • Sizes :
  • 1/2" to 24" Inch
  • 12.7 to 609.6 MM
  • DN15 To DN1200

SS 304 Threaded Flange

SS 304 Threaded Flange

  • EN Standard :
  • 6Bar/ 10Bar
  • 16Bar/ 25Bar
  • 40Bar
304 Orifice Flange

304 Orifice Flange

  • Supporting Material :
  • Gasket
  • Ring joint
  • Flange bolts
304 Spectacle Blind Flange

304 Spectacle Blind Flange

  • Production Technique :
  • Forged
  • Heat treated
  • Machined

Packaging Of SS 304 Flanges

Packaging Of SS 304 Flanges
Packaging Of SS 304 Flanges
Packaging Of SS 304 Flanges