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Check ASTM A182 F304 Blind Flanges Specifications As per ASME B16.5


Stainless Steel 304 Flanges



SS 304 Flanges Specification

Available Sizes

Available Sizes

  • 1/2" to 48"
  • PN 2.5 - PN 400
  • DN15 - DN1200
Type Of Face

Type Of Face

  • LJ
  • FF
  • RF
  • RTJ
  • T&G
  • M&F
Manufacturing Standard

Manufacturing Standard

  • ASME B16.36
  • ASME B16.48
  • ASME B16.5
  • ASME B16.47
Pressure Class

Pressure Class

  • CL 150
  • CL 300
  • CL 600
  • CL 900
  • CL 1500
  • CL 2500
Manufacturing Technique

Manufacturing Technique

  • Cast
  • Forged
  • Plate
Jointing Method

Jointing Method

  • Threaded joint
  • Bolted joint
  • Welded joint
Connection

Connection

  • Threaded
  • Welded
Common Thickness

Common Thickness

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

Surface Finish

  • Spiral serrated
  • Mirror finish
  • Stock finish
  • Smooth finish
  • Cold water finish
Installations

Installations

  • Aerospace constructions
  • Nuclear power
  • Petrochemical plants
  • Gas & Oil
  • Refinery industry
Germany (DIN) Standards

Germany (DIN) Standards

  • DIN 2627
  • DIN 2527
  • DIN 2558
  • DIN 2578
Types Of Thread

Types Of Thread

  • BSPT
  • NPT
  • MPT
  • FPT
  • BSP
Value Added Services

Value Added Services

  • Metal stampings
  • Coating/ polishing
  • MTR’s Available
  • Cutting
  • Beveling end
Testing Requirements

Testing Requirements

  • Impact test
  • Visual inspection
  • Tensile test
  • Material inspection
  • Hardness test
Machining Process

Machining Process

  • Heat treatment
  • Forming
  • Material selection
  • Material cutting
  • Shaping
  • Inspection
  • Forging
  • Machining
  • Surface finish
  • Quality control
Types Of Packaging

Types Of Packaging

  • Wooden Cases
  • Carton Box
  • Wooden Pallet
Applicable Fluids

Applicable Fluids

  • Oil & Gas
  • Steam
  • Water
  • Air
Buying Tips

Buying Tips

  • Nominal bore size
  • Thickness & O.D.
  • Pipe size
  • Diameter of Bolt circle
Corrosion Resistance

Corrosion Resistance

  • Most Oxidizing Acids
Heat Resistance

Heat Resistance

  • Intermittent Service Up To 870°C
  • Continuous Service To 925°C
Stress Corrosion Cracking

Stress Corrosion Cracking

  • Above 60°C
Heat Treatment

Heat Treatment

  • Annealing = 1010- 1120°C
Machinability

Machinability

  • Good Machinability
Welding Types

Welding Types

  • GMAW Welding
  • TIG Welding
  • FCAW Welding
  • SMAW Welding
Tensile Strength

Tensile Strength

  • PSI – 75000
  • MPa – 515
Electrical Resistivity

Electrical Resistivity

  • 0.072 x 10-6 Ω .m
Thermal Conductivity

Thermal Conductivity

  • 16.2W/m.K
Operating Temperature

Operating Temperature

  • 2550°F – 2650°F
  • 1399°C – 1454°C
Hot Working Temperature

Hot Working Temperature

  • 1149-1260°C
Modulus of Elasticity

Modulus of Elasticity

  • 193 GPa

Offer A182 Grade F304 Slip On Flanges and UNS S30400 Weld Neck Flanges with various Face like RF, RTJ, FF at Lowest Price


SS 304 Blind Flange Price List
  • Types = Blind
  • Grade = F304

SS 304 flange price

  • 1/2", RTJ, SCH 40 Class 2500
  • 1", RTJ, SCH 40 Class 2500
  • 1 1/4", RTJ, SCH 40 Class 2500
  • 1 1/2", RTJ, SCH 40 Class 2500
  • 2", RTJ, SCH 40 Class 2500
  • 2 1/2", RTJ, SCH 40 2500 LBS
  • 3", 150 LBS, RTJ, SCH 80
  • 3 1/2", 150 LBS, RTJ, SCH 80
  • 4", 150 LBS, RTJ, SCH 80
  • 6", 150 LBS, RTJ, SCH 80
  • 8", 150 LBS, RTJ, SCH 80
  • 10", 150 LBS, RTJ, SCH 80
  • US $2.61
  • US $4.16
  • US $5.56
  • US $6.43
  • US $7.76
  • US $9.56
  • US $6.53
  • US $7.98
  • US $8.85
  • US $10.31
  • US $17.23
  • US $22.49


Stainless Steel 304 Flanges Production Range

Products Types Production Production Capacity In (Ton)
Class 150 (Face = RF/RTJ/FF) Class 300 (Face = RF/RTJ/FF) Monthly Yearly
F304 Blind Flanges 1/2 To 24" 1/2 To 24" 4,500 45,383
F304 Weld Neck Flanges 1/2 To 24" 1/2 To 24" 1200 14,200
F304 Slip On Flanges 1/2 To 24" 1/2 To 24" 1,200 14,000
F304 Socket Weld Flanges 1/2 To 3" 1/2 To 3" 800 6,985


Sealing Face Of ASTM A182 F304 Flange

Three common types

  • Flat
  • Raised flat
  • Ring type joint

Characteristics FF (Flat Face) RF (Raised Face) RTJ (Ring Type Joint)
Types Of Gasket Non-metallic and Soft gasket Semi-metallic and Non-metallic gasket Hard metal gasket
Area Of Sealing Large Medium Small
Pressure Class Class 125 to Class 250 Class 150 To 2500 Class 150 To 2500 Generally ≥ 900 LBS
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.


Temperature For 304 Stainless Steel Flange

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

304 SS Flange Corrosion Resistance

10% Nitric Acid 65% Nitric Acid 80% Acetic Acid
>Boiling 212 212p
1% Hydrochloric Acid + 0.3% Ferric Chloride WPA1, High Cl- Content WPA2, High F- Content
68p <<50 <<50
50% Formic Acid 50% Sodium Hydroxide 50% Acetic Acid + 50% Acetic Anhydride
³50 185 >Boiling
0.2% Hydrochloric Acid 1% Hydrochloric Acid 85% Phosphoric Acid
>Boiling 86p 176


F304 Flange Hardness

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


ASME SA182 F304 Tensile Strength

MPa PSI
505 73,200


Bolt Hole Diameter Of ASTM A182 F304 Slip On Flanges

(Class 150)

NPS Diameter of Hole (inches) Number Of Bolt Hole
1/2 5/8 4
3/4 5/8 4
1 5/8 4
1-1/4 5/8 4
1-1/2 5/8 4
2 3/4 4
2-1/2 3/4 4
3 3/4 4
3-1/2 3/4 8
4 3/4 8
5 7/8 8
6 7/8 8
8 7/8 8
10 1 12
12 1 12
14 1-1/8 12
16 1-1/8 16
18 1-1/8 16

Bolt Circle Diameter Of SS 304 Weld Neck Flanges

NPS Bolt Circle (Inch) Bolts Diameter (MM) Flange Diameter (Inch)
1/4 2-1/4 12.7 3-3/8
1/2 2-3/8 12.7 3-1/2
3/4 2-3/4 12.7 3-7/8
1 3-1/8 12.7 4-1/4
1-1/4 3-1/2 12.7 4-5/8
1-1/2 3-7/8 12.7 5
2 4-3/4 15.87 6
2-1/2 5-1/2 15.87 7
3 6 15.87 7-1/2
3-1/2 7 15.87 8-1/2
4 7-1/2 15.87 9
5 8-1/2 19.05 10
6 9-1/2 19.05 11
8 11-3/4 19.05 13-1/2
10 14-1/4 22.22 16
12 17 22.22 19
14 18-3/4 25.4 21
16 21-1/4 25.4 23-1/2
18 22-3/4 25.4 25
20 20 31.75 27-1/2
24 29-1/2 25.4 32

Supplier of SA 182 304 Threaded Flanges and F304 Stainless Steel Plate Flanges Stock Range NPS 1/2 to NPS 24" and Class 150 To 2500 in Mumbai


304 SS Flange Pressure Rating in Class 150

Temperature °F (Fahrenheit) CL 150
-20 to 100 275
200 230
300 205
400 190
500 170
600 140
700 110
800 80
900 50
1000 20
1050 20
1100 20
1150 20
1200 20
1250 20
1300 20
1350 20
1400 20
1450 15
1500 10

Class 300 SS 304 Flange Pressure Rating

Temperature °F (Fahrenheit) CL 300
-20 to 100 720
200 600
300 540
400 495
500 465
600 435
700 425
800 405
900 390
1000 320
1050 310
1100 255
1150 200
1200 155
1250 115
1300 85
1350 60
1400 50
1450 35
1500 25

CL 600 304 Stainless Steel Flange Pressure Rating

Temperature °F (Fahrenheit) CL 600
-20 to 100 1440
200 1200
300 1080
400 995
500 930
600 875
700 850
800 805
900 780
1000 640
1050 615
1100 515
1150 400
1200 310
1250 225
1300 170
1350 125
1400 95
1450 70
1500 55

900# Stainless Steel 304 Flange Pressure Rating

Temperature °F (Fahrenheit) CL 900
-20 to 100 2160
200 1800
300 1620
400 1490
500 1395
600 1310
700 1275
800 1210
900 1165
1000 965
1050 925
1100 770
1150 595
1200 465
1250 340
1300 255
1350 185
1400 145
1450 105
1500 80

Class 1500 Stainless Steel 304 Flange Pressure Rating

Temperature °F (Fahrenheit) CL1500
-20 to 100 3600
200 3000
300 2700
400 2485
500 2330
600 2185
700 2125
800 2015
900 1945
1000 1605
1050 1545
1100 1285
1150 995
1200 770
1250 565
1300 430
1350 310
1400 240
1450 170
1500 135

Class 2500 SS 304 Flange Pressure Rating

Temperature °F (Fahrenheit) CL 2500
-20 to 100 6000
200 5000
300 4500
400 4140
500 3880
600 3640
700 3540
800 3360
900 3240
1000 2675
1050 2570
1100 2145
1150 1655
1200 1285
1250 945
1300 715
1350 515
1400 400
1450 285
1500 230

Most Common Types Of ASTM A182 UNS S30400 Flange

ASTM A182 F304 slip on flanges

ASTM A182 F304 slip on flanges

ASME SA182 Grade F304 weld neck flanges

ASME SA182 Grade F304 weld neck flanges

UNS S30400 blind flange

UNS S30400 blind flange

SS 304 plate flanges

SS 304 plate flanges

F304 stainless steel spectacle flanges

F304 stainless steel spectacle flanges

Werkstoff nr. 1.4301 threaded flanges

Werkstoff nr. 1.4301 threaded flanges

ASTM A182 Gr f304 socket weld flanges

ASTM A182 Gr f304 socket weld flanges

SA 182 Gr F304 long weld neck flange

SA 182 Gr F304 long weld neck flange

304 SS lap joint flanges

304 SS lap joint flanges

SUS 304 ring type joint flange

SUS 304 ring type joint flange

304 stainless steel raised face flange

304 stainless steel raised face flange

DIN 1.4301 tongue and groove flange

DIN 1.4301 tongue and groove flange

ASTM A182 F304 male and female flange

ASTM A182 F304 male and female flange

304 SS flat face flange

304 SS flat face flange

UNS S30400 reducing flange

UNS S30400 reducing flange

304 stainless steel square flange

304 stainless steel square flange

AISI 304 SS frifice Flanges

AISI 304 SS orifice flanges

SUS 304 stainless steel puddle flange

SUS 304 stainless steel puddle flange

AISI 304 SS high hub blind flange

AISI 304 SS high hub blind flange

A182 F304 anchor flange

A182 F304 anchor flange

SA 182 F304 hydraulic sae flanges

SA 182 F304 hydraulic sae flanges



ASME SA182 F304 Socket Weld Flanges with MTC EN 10204 3.1/3.2, View SS 304 Flange Dimensions & Weight Chart in KG

SS 304 flange Dimensions

SS 304 flange Dimensions
NPS O.D.(Inch) Minimum Wall Thickness (MM) RF Diameter(Inch) Slip On Bore Inner Diameter (MM) Bolt Holes Number Holes Diameter (MM) Bolt Circle (Inch) Weld Neck Bore Inner Diameter (MM) Diameter Hub Base (Inch)
1/2 3.50 1.19 1.38 9.65 4 15.74 2.38 22.35 15.74
3/4 3.88 1.50 1.69 11.17 4 15.74 2.75 27.68 20.82
1 4.25 12.7 2.00 34.54 4 15.74 3.12 26.67 1.94
1 1/ 2 5.00 15.74 2.88 49.53 4 15.74 3.88 40.89 2.56
2 6.00 17.52 3.62 61.97 4 19.05 4.75 52.57 3.06
3 7.50 22.35 5.00 90.67 4 19.05 6.00 77.97 4.25
4 9.00 22.35 6.19 116.07 8 19.05 7.50 102.36 5.31
5 10.00 22.35 7.31 143.7 8 22.35 8.50 128.2 6.44
6 11.00 23.87 8.50 170.68 8 22.35 9.50 154.17 7.56
8 13.50 26.92 10.62 221.48 8 22.35 11.75 202.69 9.69
10 16.00 28.44 12.75 276.35 12 25.4 14.25 254.50 12.00
12 19.00 30.22 15.00 327.15 12 25.4 17.00 304.8 14.38
16 23.50 35.05 18.50 410.46 16 28.44 21.25 387.35 18.00
18 25.00 38.1 21.00 461.77 16 31.75 22.75 438.15 19.88
20 27.50 41.14 23.00 513.08 20 31.75 25.00 488.95 22.00
22 29.50 44.45 25.25 564.38 20 35.05 27.25 539.75 24.25
24 32.00 45.97 27.25 615.95 20 35.05 29.50 590.55 26.12


How to measure a A182 F304 Weld Neck Flanges?

How to measure a A182 F304 Weld Neck Flanges?

SS 304 Flange Weight Chart

Normal Pipe Size Weight in (LBS)
DN NPS Blind (BLRF) Slip On (SORF) Weld Neck (WNRF)
15 1/2 0.88 0.88 1.10
20 3/4 1.32 1.32 1.54
25 1 1.98 1.76 2.20
32 1 1/4 2.64 2.20 2.86
40 1 1/2 3.30 2.86 3.74
50 2 5.29 4.62 5.73
80 3 10.80 8.59 10.80
100 4 15.43 11.68 14.99
125 5 18.95 13.44 18.95
150 6 24.91 16.53 23.36
200 8 43.21 26.67 38.80
250 10 63.05 36.37 52.91
300 12 95.23 57.76 80.46
350 14 128.0 76.27 106.7
400 16 167.7 98.76 133.60
450 18 206.5 107.8 150.57
500 20 268.9 136.46 186.29
600 24 407.8 191.58 253.53


ASTM A182 Gr F304 equivalent

UNS

S30400

WERKSTOFF

1.4301

EN

X5CrNi18-10

JIS

SUS 304

BS

304S31


Get A182 Gr F304 Spectacle Blind Flanges With Spiral, Serrated, Smooth Finish, Refer 304 SS Flange Chemical Composition

A182 F304 Chemical Composition

C (0.0 - 0.07)

Mn (0.0 - 2.0)

Si (0.0 - 1.00)

P (0.0 - 0.05)

S (0.0 - 0.03)

Cr (17.50 - 19.50)

Ni (8.00 - 10.50)

N (0.0-0.11)


ASTM A182 F304 Mechanical Properties

Tensile Strength

  • PSI – 75000
  • MPa – 515

Yield Strength

  • PSI – 30000
  • MPa – 205

Elongation

  • 35%

Melting Point

  • 1400 °C
  • 2550 °F


Physical Properties Of 304 Flange

Thermal Conductivity

  • 16.2W/m.K

Thermal Expansion

  • 17.2 x 10-6/K

Electrical Resistivity

  • 0.072 x 10-6Ω.m

Modulus of Elasticity

  • 193 GPa